Troubleshooting

Troubleshooting Instructions



Error Codes

An error code is a four-digit code shown on an ERROR TX REPORT or an RX REPORT when an error occurs.

For details on reports, see "Summary of Reports and Lists."

See the table below for individual error codes.


00A0

00A1

00FF

0001

0070

0071

0080

008D

00A0

Description

Transmission was manually canceled on the machine.

Action

Resend the document if necessary.

00A1

Description

There is a document jam.

Action

Clear the document jam.

00FF

Description

All redialing attempts have failed.

Action

Check if the recipient's number is correct and the telephone cable is properly connected, and try again.

0001

Description

The sender may not be using a G3 fax machine.

Action

Make sure the sender's machine is compatible with your machine.

0070

Description

Reception was manually canceled on the machine.

Action

Ask the sender to resend the document if necessary.

0071

Description

The machine's memory is full.

Action

Print, send, or delete any documents stored in memory.

0080

Description

The recipient's machine did not respond within 35 seconds.

Action

Resend the document. Ask the other party to check their machine. If you are making an overseas call, add a pause to the number.

008D

Description

The recipient's machine has run out of paper.

Action

Ask the recipient to make sure that paper is loaded in their machine.



If a Power Failure Occurs (MF4380dn/MF4370dn/MF4350d/MF4340d Only)

If a power failure occurs, machine functions will be limited as follows:

  • Depending on your telephone, you may not be able to make telephone calls.
  • You can receive telephone calls from the optional handset or the telephone connected to the machine.
  • You cannot send, receive, or copy documents.

Even if power is suddenly lost due to a power failure or accidental unplugging, any sent or received documents stored in memory are backed up for about 5 minutes. However, after this period of time, the machine may lose any data stored in the memory. If this happens, the display shows <LOST IMAGE> when power is restored and automatically prints a Lost Report (unless the cartridge is empty or there is no paper in the machine) that lists the documents (received in the last 60 transactions) that were lost from memory as a result of the power cut.



If You Cannot Solve a Problem

If you cannot solve the problem after having referred to the information in this chapter, contact your local authorized Canon dealer or the Canon help line.

Please have the following information ready when you contact Canon:

  • Product name (imageCLASS MF4380dn/imageCLASS MF4370dn/imageCLASS MF4350d/imageCLASS MF4340d/imageCLASS MF4330d/imageCLASS MF4320d)
  • Serial number (on the label located inside top of the front cover)
  • Place of purchase
  • Nature of problem
  • Steps you have taken to solve the problem and the results

Remark
  • If the machine makes strange noises, emits smoke or odd odor, turn OFF the main power switch immediately, disconnect the power cord, and contact your local authorized Canon dealer or the Canon help line. Do not attempt to disassemble or repair the machine yourself.
  • Attempting to repair the machine yourself may void the limited warranty.


Clearing Jams

When <CHECK DOCUMENT>, <PAPER JAM> or <PAPER JAM/OPEN REAR COVER> appears on the display, remove jammed paper from the machine first, then from the paper cassette or multi-purpose tray if necessary. Check the following if you experience repeated paper jams:

  • Fan and tap the paper stack on a flat surface before loading it in the machine.
  • Check that the paper you are using meets the requirements for use. (See "Paper Requirements.")
  • Make sure you have removed any scraps of paper from the inside of the machine.

Remark
  • When removing jammed documents or paper, take care not to cut your hands on the edges of the document or paper.
  • When removing jammed paper or when inspecting the inside of the machine, do not allow necklaces, bracelets, or other metal objects to touch the inside of the machine, as this may result in burns or electrical shock.
  • If you tear the paper, remove any torn pieces to avoid further jams.
  • If loose toner comes into contact with your skin or clothing, wash with cold water. Warm water will set the toner.
  • Do not force a jammed document or paper out of the machine. Contact your local authorized Canon dealer or the Canon help line for assistance if needed.

Document Jams

For MF4380dn


For MF4370dn/MF4350d/MF4330d


Paper Jams

For MF4380dn/MF4370dn


For MF4350d/MF4340d/MF4330d/MF4320d



Document Jams

Return to Overview

When <CHECK DOCUMENT> appears on the display, remove a jammed document from the ADF.



For MF4380dn

Return to Overview

  1. Open the ADF cover.
  1. Hold both sides of any jammed documents and gently pull them out straight upward.
  • Do not force a jammed document out of the machine. If the jammed document cannot be removed easily, proceed to the next step.
  1. Open the inner cover, holding it by its front tab (A).
  1. Lift the release lever (A) until it clicks into place.
  1. Remove the jammed document.
  • Do not force a jammed document out of the machine as it may tear.
  1. Return the release lever (A) to its original position.
  1. Close the inner cover.
  1. Close the ADF cover.
  • Be careful not to get your fingers caught.
  1. Open the ADF and then hold both sides of any jammed documents and gently pull them out.
  1. Close the ADF.
  • Be careful not to get your fingers caught.


For MF4370dn/MF4350d/MF4330d

Return to Overview

  1. Open the ADF cover.
  1. Hold both sides of any jammed documents and gently pull them out straight upward.
  • Do not pull the document forcefully as it may tear.
  1. Hold both sides of any jammed documents and gently pull them out.
  1. Close the ADF cover.
  • Be careful not to get your fingers caught.
  1. Open the ADF and then hold both sides of any jammed documents and gently pull them out.
  1. Close the ADF.
  • Be careful not to get your fingers caught.


Paper Jams

Return to Overview

When <PAPER JAM> or <PAPER JAM/OPEN REAR COVER> appears on the display, remove jammed paper from the inside of the machine first, then from the paper cassette or multi-purpose tray if necessary.



For MF4380dn/MF4370dn

Return to Overview

  1. Hold the front side of the operation panel with your hands.
  1. Lift the scanning platform (A) until it is locked. (You will hear an audible "click.")
  1. Hold the grip (A) on the right front side of the toner cover.
  1. Open the toner cover.
  1. Remove the toner cartridge from the machine.
  • Do not touch the rollers and parts which have labels "CAUTION! Hot surface avoid contact" on. They become very hot during use.
  • Remove your watch and any bracelets or rings when touching the inside of the machine. These items might be damaged if they come into contact with the parts inside of the machine.
  • To avoid exposing the toner cartridge to light, place it in its protective bag or wrap it in a thick cloth.
  • Do not open the drum protective shutter on the toner cartridge. Print quality may deteriorate if the drum surface is exposed to light or is damaged.
  • Do not touch the fixing assembly (A) as it becomes very hot during use.
  • Do not touch the transfer roller (B) as this can damage the machine.

  • Always hold the toner cartridge by its handle (A).

  1. Hold both sides of the jammed paper and gently pull it out.
  1. Gently pull the jammed paper between the fixing assembly (A) and transfer roller (B) until the leading edge emerges from the machine.
  • Do not touch the fixing assembly (A) as it becomes very hot during use.
  • Do not touch the transfer roller (B) as this can damage the machine.
  1. Hold both sides of the jammed paper and carefully pull it out.
  1. Hold the toner cartridge by its handle (A).
  • Do not open the drum protective shutter on the toner cartridge. Print quality may deteriorate if the drum surface is exposed to light or is damaged.
  • Always hold the toner cartridge by its handle.
  1. Insert the toner cartridge so that the protrusion on the right side of the toner cartridge (A) fits into the guide (B) located on the right side of the machine and slide it down parallel to the guide.
  1. Push down the toner cartridge to make sure it is properly set in the machine.
  1. Hold the grip (A) on the right front side of the toner cover.
  1. Close the toner cover.
  1. Lower the scanning platform.
  • Be careful not to get your fingers caught.
  • If you cannot close the toner cover, do not force it to close. Open the cover and make sure the toner cartridge is properly set in the machine.
  1. Remove the dust cover from the paper cassette.
  1. Open the front panel of the paper cassette.
  1. Remove the paper in the paper cassette.
  1. Hold both sides of the jammed paper and slowly pull it out in the direction of the arrow.

  • When feeding paper from the paper cassette:


  • When feeding paper from the multi-purpose tray:

  1. Load the paper into the paper cassette.
  1. Close the front panel of the paper cassette.
  1. Set the dust cover on the paper cassette.
  1. Open the rear cover.

This operation is required only when <OPEN REAR COVER> appears on the display.

  1. Hold both sides of the jammed paper and gently pull it out upward.
  • This operation is required only when <OPEN REAR COVER> appears on the display.
  • If the jammed paper is badly folded, similar to the folds of an accordion, ease the jammed paper loose and then pull it out from the machine.

  1. Close the rear cover.

This operation is required only when <OPEN REAR COVER> appears on the display.

  • Be careful not to get your fingers caught.
  • To reset the machine, open the toner cover and then close it.


For MF4350d/MF4340d/MF4330d/MF4320d

Return to Overview

  1. Remove the dust cover from the paper feeding tray.
  1. Remove the paper in the paper feeding tray.
  1. Open the rear cover.

This operation is required only when <PAPER JAM/OPEN REAR COVER> appears on the display.

  1. Lift the scanning platform until it is locked (A), and open the printer cover (B).
  1. Remove the toner cartridge from the machine.
  • Remove your watch and any bracelets or rings when touching the inside of the machine. These items might be damaged if they come into contact with the parts inside of the machine.
  • To avoid exposing the toner cartridge to light, place it in its protective bag or wrap it in a thick cloth.
  • Do not open the drum protective shutter on the toner cartridge. Print quality may deteriorate if the drum surface is exposed to light or is damaged.
  • Do not touch the fixing assembly (A) as it becomes very hot during use.
  • Do not touch the transfer roller (B) as this can damage the machine.

  • Always hold the toner cartridge by its handle (A).

  1. Hold both sides of the jammed paper and gently pull it out.
  1. Gently pull the jammed paper between the fixing assembly (A) and transfer roller (B) until the leading edge emerges from the machine.
  • Do not touch the fixing assembly (A) as it becomes very hot during use.
  • Do not touch the transfer roller (B) as this can damage the machine.
  1. Hold both sides of the jammed paper and carefully pull it out.
  1. Hold both sides of the jammed paper and gently pull it out upward.
  • This operation is required only when <PAPER JAM/OPEN REAR COVER> appears on the display.
  • If the jammed paper is badly folded, similar to the folds of an accordion, ease the jammed paper loose and then pull it out from the machine.

  1. Hold both sides of the jammed paper and slowly pull it out in the direction of the arrow.

  • When feeding paper from the paper feeding tray:


  • When feeding paper from the multi-purpose tray:

  1. Hold the toner cartridge by its handle.

The arrow (A) on the toner cartridge should be facing away from you and pointing down.

  • Do not open the drum protective shutter on the toner cartridge. Print quality may deteriorate if the drum surface is exposed to light or is damaged.
  1. Insert the toner cartridge into the machine until it is locked.

Align the guide (A) on the left side of the toner cartridge with the groove inside the machine.

  1. Push down the toner cartridge to make sure it is properly set in the machine.
  1. Close the printer cover and lower the scanning platform.
  • Be careful not to get your fingers caught.
  1. Close the rear cover.

This operation is required only when <PAPER JAM/OPEN REAR COVER> appears on the display.

  • Be careful not to get your fingers caught.
  1. Load the paper into the paper feeding tray.
  1. Set the dust cover on the paper feeding tray.
  • After all the procedures are complete, the machine should be ready for operating. If the machine returns to the standby mode, troubleshooting has been successful. If the machine does not return to the standby mode, check if jammed paper is still left in the machine.


If <LOAD CORRECT PAPER> is displayed

When <LOAD CORRECT PAPER> appears on the display, the size of the paper in the paper cassette or multi-purpose tray is different from that of the paper specified in <PAPER SIZE> for <CASSETTE> or <MP TRAY>. You need to load the correct size paper or change the paper size <PAPER SIZE> for <CASSETTE> or <MP TRAY>.


Remark
  • For print jobs, you need to specify the paper size from your computer.

Reloading the Paper

Changing the Paper Size Setting


Reloading the Paper

Return to Overview

  1. Load the correct size paper as shown on the display, then press [OK] to resume the job.

The machine re-starts printing.



Changing the Paper Size Setting

Return to Overview

Follow this procedure to change the paper size setting.

  1. Press [Paper Settings] repeatedly to select <CASSETTE> or <MP TRAY>, then press [OK].
  • If <LOAD CORRECT PAPER> appears during a copy job, you cannot access the paper size setting through [Paper Settings]. In this case, cancel the job first, then press [Paper Settings] and change the paper size setting. For how to cancel copy jobs, see "Canceling Copy Jobs."
  1. Press [] or [] to select the paper size same as the paper loaded in the machine, then press [OK].
  1. Press [Stop/Reset] to return to the standby mode.
  • Now you are ready to copy your document.
  • For a fax job or report printing, go to the next step.
  1. Press [OK] to resume the job.

No further operation is required.



Display Messages

Display Messages <A to E>

Display Messages <F to J>

Display Messages <K to O>

Display Messages <P to Z>


Display Messages <A to E>

Return to Overview


AVAILABLE MEMORY
nn%

CANNOT PRINT RX DATA

CHANGE REG'D SIZE
→ PAPER SETTINGS

CHECK DOCUMENT

CLOSE COVER
TONER COVER

AVAILABLE MEMORY
nn%

Description

This message shows the percentage of the memory currently available.

Action

If you need more space, wait for the machine to send any documents in memory. Also print, send, or delete any documents stored in memory.

CANNOT PRINT RX DATA

Description

The machine temporarily received the fax in memory because an error of some kind has occurred in the machine.
This error message appears with one of the messages below.

  • <CLOSE COVER/TONER COVER>
  • <LOAD CORRECT PAPER>
  • <REMOVE MP PAPER>
  • <CHANGE REG'D SIZE/ → PAPER SETTINGS>
  • <OUT OF TONER/CHANGE TONER>
  • <SET PAPER AGAIN/SET TONER AGAIN>
  • <PAPER JAM>
  • <PAPER JAM/OPEN REAR COVER>
  • <LOAD PAPER>
Action

This error message appears with another message. When the error is solved, the received data will be printed out. For how to solve the problem, see the action for the messages displayed with it.

CHANGE REG'D SIZE
→ PAPER SETTINGS

Description

The paper size is not appropriate for your print jobs.

Action
  • To print reports or received data, set the <CASSETTE> paper size to <A4>, <B5>, <OFICIO>, <BRAZIL- OFICIO>, <MEXICO-OFICIO>, <GOVERNMENT-LETTER>, <GOVERNMENT-LEGAL>, <FOOLSCAP>, <LTR>, or <LGL>. For details, see "Setting Paper Size and Type."
  • To print received data on both sides of paper, set the <CASSETTE> paper size to <A4> or <LTR>. For details, see "Setting Paper Size and Type."

CHECK DOCUMENT

Description

A document jam may have occurred in the ADF.

Action

Remove the jammed document.

CLOSE COVER
TONER COVER

Description

The toner cover is not closed completely.

Action

Check the toner cover, and make sure that it is completely closed.



Display Messages <F to J>

Return to Overview


HANG UP PHONE

HANG UP PHONE

Description

The optional handset or the external telephone is off the hook.

Action

Hang up the optional handset or the external telephone.



Display Messages <K to O>

Return to Overview


LIFT PANEL TO OPEN
OPEN TONER COVER

LOAD CORRECT PAPER

LOAD PAPER

LOST IMAGE

MEMORY FULL

NOT AVAILABLE

NOT REGISTERED

OUT OF TONER
CHANGE TONER

LIFT PANEL TO OPEN
OPEN TONER COVER

Description

Appears alternately with other messages.

Action

Varies by the message that appears. For details, see the explanation for the message (i.e., <SET PAPER AGAIN/SET TONER AGAIN>).

LOAD CORRECT PAPER

Description

The size of the paper in the paper cassette or multi-purpose tray is different from that of the paper specified in <PAPER SIZE> for <CASSETTE> or <MP TRAY>.

Action

Load the correct size paper or change the paper size in <PAPER SIZE> for <CASSETTE> or <MP TRAY>. For details, see "If <LOAD CORRECT PAPER> is displayed."

LOAD PAPER

Description1

No paper is loaded in the paper cassette or multi-purpose tray when copying or printing.

Action

Load paper correctly. Then press [OK] when using the paper cassette.

Description2

No paper is loaded in the paper cassette or multi-purpose tray when printing a received document.
Or, when printing a report or list, this message appears if the paper size is not appropriate for printing a report or list even if paper is loaded. This error message appears with one of the messages below.
<CHANGE REG'D SIZE/→PAPER SETTINGS>
<CANNOT PRINT RX DATA>

Action

Load paper correctly. Then press [OK] when using the paper cassette.
For report or list, set the paper size to <A4>, <B5>, <OFICIO>, <BRAZIL- OFICIO>, <MEXICO- OFICIO>, <GOVERNMENT-LETTER>, <GOVERNMENT-LEGAL>, <FOOLSCAP>, <LTR>, or <LGL>, and then load paper of the same size.

LOST IMAGE

Description

The machine was turned OFF with documents stored in the machine's memory.
Please note that any data stored in the memory, including received fax documents, will be deleted if you leave the machine turned OFF for about 5 minutes.

Action

The error is automatically released after two seconds, and the machine automatically prints out the lost report that shows the records still existing in the activity report.

MEMORY FULL

Description1

The machine is full of jobs.

Action1

Print, send, or delete any documents stored in memory.

Action2

Divide the document stack or data into a few parts and try again one by one.

Action3

Send the document with low resolution.

Description2

The number of TX/RX jobs that can be stored in memory reached the maximum.

Action

The machine memory can store up to 256 fax jobs including sending and receiving jobs. (Based on the condition that the other party sends the fax by the imageCLASS MF4380dn with ITU-T Standard Chart No.1, standard mode.)
Wait for the machine to send any faxes in memory. Also print or delete any documents in memory.

NOT AVAILABLE

Description1

You pressed the one-touch key that has already been registered, when you are registering group dialing.

Description2

You selected the group dialing that has already been registered, when you are registering a one-touch key.

Action

Register the one-touch key that is not used.

NOT REGISTERED

Description

No recipient is registered for the one-touch key or coded dial code you pressed.

Action

Register the recipients before using the Address Book function.

OUT OF TONER
CHANGE TONER

Description

The toner ran out completely.

Action

Replace the toner cartridge.



Display Messages <P to Z>

Return to Overview


PAPER JAM

PAPER JAM
OPEN REAR COVER

PLEASE WAIT

REMOVE MP PAPER

SET PAPER AGAIN
SET TONER AGAIN

SYSTEM ERROR
EXXX

WRONG PASSWORD

PAPER JAM

Description

Paper jams have occurred in the machine. <LIFT PANEL TO OPEN/OPEN TONER COVER> appears alternately.

Action

Clear the paper jam (See "Paper Jams.") and reload paper in the paper cassette or multi-purpose tray. The cover must be opened and closed to resume the current job.

PAPER JAM
OPEN REAR COVER

Description

Paper jams have occurred in the machine. <LIFT PANEL TO OPEN/OPEN TONER COVER> appears alternately.

Action

Clear the paper jam (See "Paper Jams.") and reload paper in the paper cassette or multi-purpose tray. The cover must be opened and closed to resume the current job.

PLEASE WAIT

Description

This message appears when turning on the main power switch, or when the machine is not ready for printing.

Action

Wait until the message disappears.

REMOVE MP PAPER

Description

Paper is loaded in the multi-purpose tray.

Action

Remove the paper from the multi-purpose tray. The machine will not print faxes, reports, or lists when paper is loaded in the multi-purpose tray. They will be stored in memory.

SET PAPER AGAIN
SET TONER AGAIN

Description

Paper is not loaded properly, or the toner cartridge is not set.

Action

Load paper properly. (For instructions on how to load paper in the paper cassette or multi-purpose tray, see "Loading Paper.")
Set the toner cartridge in the machine. (See "Set Up the Machine," in the Starter Guide.)

SYSTEM ERROR
EXXX

Description

A system error has occurred. <XXX> will be a three-digit code that indicates a particular type of error.

Action

Turn OFF the main power switch, wait for more than 5 seconds, then turn it ON again. If the message persists, turn OFF the main power switch, disconnect the power cord, and contact your local authorized Canon dealer or the Canon help line.

WRONG PASSWORD

Description

The memory lock reception password or system password you entered is incorrect.

Action

Enter the correct password. For details, see "Receiving Documents in Memory without Printing Out (Memory Lock Reception) (Fax)," or "Specifying the System Manager Settings."



Troubleshooting

General Problems

Paper Feeding Problems

Fax Problems

Sending Problems


Receiving Problems


Copying Problems

Printing Problems

Scanning Problems

Telephone Problems

Network Problems

Installing and Uninstalling Problems


General Problems

Return to Overview


The machine has no power.

The Error indicator blinks.

Nothing appears on the display.

The machine has no power.

Is the power cord plugged in securely?

Check that the power cord is securely plugged into the machine and into the wall outlet. If the machine is plugged into a power strip, make sure the power strip is plugged in and turned on.

Is the power cord supplying power?

Use a different power cord, or test the cord for continuity using a voltmeter.

Is the main power switch turned ON?

Turn ON the main power switch.

The Error indicator blinks.

Does the machine feed paper correctly, or is there paper in the paper cassette or multi-purpose tray?

Clear the paper jam, or load paper in the paper cassette or multi-purpose tray. (For instructions on clearing paper jam, see "Clearing Jams". For instructions on loading paper, see "Loading Paper.")

If the machine has no paper jam, or paper is loaded in the paper cassette or multi-purpose tray, turn OFF the main power switch and wait for more than 10 seconds, then turn it ON again. If the problem is fixed, the Error indicator will turn OFF, and the display will return to the standby mode. If the Error indicator remains blinking, unplug the machine, and contact your local authorized Canon dealer or the Canon help line.

Nothing appears on the display.

Is the power cord plugged in securely?

Check that the power cord is securely plugged into the machine and into the wall outlet. If the machine is plugged into a power strip, make sure the power strip is plugged in and turned on.

Is the main power switch turned ON?

Turn ON the main power switch.

Is the machine in Sleep mode?

Press [Energy Saver] on the operation panel to cancel the Sleep mode.



Paper Feeding Problems

Return to Overview


Paper does not feed properly.

Multiple sheets feed together into the machine.

Repeated paper jams occur.

Paper does not feed properly.

Is the paper loaded correctly?

Make sure the paper is correctly loaded. (See "Loading Paper.")

Does the machine contain too many sheets?

Make sure you load the correct quantity. (See "Paper Requirements.")

Multiple sheets feed together into the machine.

Is the paper loaded correctly?

Make sure the paper is correctly loaded. (See "Loading Paper.")

Does the machine contain too many sheets?

Make sure you load the correct quantity. (See "Paper Requirements.")

Are different types of paper loaded in the machine?

Load only one type of paper.

Make sure you load paper that meets the requirements for use. (See "Paper Requirements.")

Let the paper run out before refilling the machine. Avoid mixing new stock with the paper already loaded.

Repeated paper jams occur.

Is the correct type of paper loaded in the machine?

Make sure you load paper that meets the requirements for use. (See "Paper Requirements.")



Fax Problems

Return to Overview


Sending Problems

Receiving Problems


Sending Problems

Return to Overview


Cannot send a fax.

Memory fills up immediately when you try to send.

Faxes sent from the machine are spotted or dirty.

The documents you sent are too light.

Sending of documents is too slow.

Errors occur frequently while sending.

Cannot redial with [Redial/Pause].

Cannot send a fax.

Did you just turn ON the main power switch?

Wait for a while. After turning ON the main power switch, the machine cannot scan documents immediately.

Is the machine set for the correct telephone line type?

Make sure the machine is set for the correct telephone line type. (See "Setting the Type of Telephone Line (Fax).")

Is your machine in the fax mode?

Press [FAX] to show the fax standby display.

Is the document loaded correctly?

Make sure the document is correctly loaded. (See "Placing Documents.")

Make sure the scanning platform and rear cover are fully closed. (See "Paper Jams.")

Is the one-touch key or coded dial code you entered registered correctly?

Check that the Address Book settings are registered correctly. (See "Storing/Editing One-Touch Keys (MF4380dn/MF4370dn/MF4350d/MF4340d Only)," and "Storing/Editing Coded Dial Codes (MF4380dn/MF4370dn/MF4350d/MF4340d Only).")

Did you dial the correct number?

Check that you have the correct number.

Is the machine in the Sleep mode?

The machine does not scan documents if it is in the Sleep mode. To take the machine out of the Sleep mode, press [Energy Saver] on the operation panel.

Is the recipient's machine out of paper?

Ask the recipient to make sure paper is loaded in the machine.

Are there other documents being sent from memory?

Allow time for the documents to finish sending.

Has an error occurred during transmission?

Check the display for an error message. (See "Display Messages.")

Print an Activity Report and check for an error. (See "Activity Report (MF4380dn/MF4370dn/MF4350d/MF4340d Only).")

Is the telephone cable connected properly?

Make sure the cable is connected properly. (See "Make Fax Settings," in the Starter Guide.)

Is the telephone line working properly?

Make sure there is a dial tone when you press [Hook] or when you lift the optional handset or the handset of any external telephone connected to the machine. If there is no dial tone, contact your local telephone company.

Is the recipient's machine a G3 fax machine?

Make sure the recipient's machine is compatible with your machine.

Did the recipient's machine answer within 35 seconds (after all automatic redialing attempts)?

Ask the recipient to check the machine. For an overseas call, add pauses to the registered number. (See "Dialing an Overseas Number (With Pauses) (Fax).")

Is the Processing/Data indicator lit?

The external phone is busy. Please wait until the external phone becomes free.

Is the machine overheated?

Unplug the machine and let it cool for about 5 minutes. Then plug in the machine and try sending again.

Memory fills up immediately when you try to send.

Are you sending with the resolution set to <SUPER FINE>?

If you want to keep your document quality, divide the document into some parts and send them separately.

If your document does not contain fine text or photographs, set the resolution to <STANDARD>.

If your document contains fine text or photographs, send it directly rather than using a memory transmission.

Is a document stored in memory, leaving little memory available?

Print, send, or delete any documents stored in memory.

Faxes sent from the machine are spotted or dirty.

Is the recipient's machine working properly?

Check the machine by making a copy. If the copy is clear, the problem may be in the recipient's machine. If the copy is spotted or dirty, clean the scanner components. (See "Scanning Area.")

Is the document loaded correctly?

Make sure the document is correctly loaded. (See "Placing Documents.")

The documents you sent are too light.

Is the density setting changed to be lighter?

Adjust the density for light documents to be darker. (See "Adjusting Density (Fax).")

Are the scanning components of the machine clean?

If the received document is spotted or dirty, clean the scanning components. (See "Scanning Area.")

Sending of documents is too slow.

Is the resolution set to <FINE>, <PHOTO>, or <SUPER FINE>?

Setting the resolution to <STANDARD> reduces the sending time.

Errors occur frequently while sending.

Are the telephone lines in poor condition, or do you have a bad connection?

Check if there is a device nearby that interferes with signal transmission (e.g., microwave oven).

Cannot redial with [Redial/Pause].

Is <RESTRICT REDIAL> set to <ON>?

When <RESTRICT REDIAL> is set to <ON>, Redialing is not available. (See "Restricting Redial.")

Entering the fax number is required again after pressing [Start].

Is <CONFIRM FAX NO.> set to <ON>?

When <CONFIRM FAX NO.> is set to <ON>, you need to enter the fax number again after pressing [Start]. (See "Confirming Entered Fax Numbers.")



Receiving Problems

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Cannot receive a fax automatically.

No automatic switching between telephone and fax calls.

Cannot receive a document manually.

Print quality is poor.

Faxes do not print.

Received faxes print blotched or unevenly.

Part of the document you receive is cut off.

Cannot receive using Error Correction Mode (ECM).

Receiving of documents is too slow.

Cannot get documents from information services.

Errors occur frequently while receiving.

Cannot print received documents on both sides of the paper.

Cannot receive a fax automatically.

Is the machine set to receive automatically?

For the machine to receive faxes automatically, the receive mode must be set to <FaxOnly>, <FaxTel>, <AnsMode>, or <NET SWITCH>. If you have set <AnsMode>, confirm that an external telephone with built-in answering machine is connected to the machine and that it is turned on with an outgoing message properly recorded. (See "Selecting the Receive Mode (Fax).")

Are documents stored in memory, leaving little or no memory available?

Print, send, or delete any documents stored in memory.

Has an error occurred during reception?

Check the display for an error message. (See "Display Messages.")

Print an Activity Report and check for an error. (See "Activity Report (MF4380dn/MF4370dn/MF4350d/MF4340d Only).")

Is paper loaded in the machine?

Make sure paper is loaded in the machine. (See "Loading Paper.")

Is the telephone cable connected properly?

Make sure the cable is connected properly. (See "Make Fax Settings," in the Starter Guide.)

No automatic switching between telephone and fax calls.

Is the machine set to switch automatically between telephone and fax calls?

For the machine to switch between fax and telephone calls automatically, the receive mode must be set to <FaxTel>, <AnsMode>, or <NET SWITCH>. If you have set <AnsMode>, confirm that external telephone with built-in answering machine is connected to the machine and that it is turned on with an outgoing message properly recorded. (See "Selecting the Receive Mode (Fax).")

Are documents stored in memory, leaving little or no memory available?

Print, send, or delete any documents stored in memory.

Has an error occurred during reception?

Check the display for an error message. (See "Display Messages.")

Print an Activity Report and check for an error. (See "Activity Report (MF4380dn/MF4370dn/MF4350d/MF4340d Only).")

Is paper loaded in the machine?

Make sure the paper is correctly loaded. (See "Loading Paper.")

Can the sender's machine send the CNG signal, which tells your machine that the incoming call is a fax call?

Some machines cannot send this signal. In such cases, receive the fax manually.

Cannot receive a document manually.

Is the machine set to receive manually?

For the machine to receive faxes manually, the receive mode must be set to <Manual>. (See "Selecting the Receive Mode (Fax).")

Did you hang up the external telephone before pressing [Start] or dialing the remote reception ID?

Always press (Start) or dial the remote reception ID before hanging up. Otherwise you will disconnect the call.

Print quality is poor.

Is the toner low or unevenly distributed?

Redistribute the toner inside the toner cartridge. If the problem persists, replace the toner cartridge. (See "Replacing the Toner Cartridge.")

Is the correct type of paper loaded in the machine?

Make sure you load paper that meets the requirements for use. (See "Paper Requirements.")

Is the sender's machine functioning properly?

Ask the sender to check that the scanning components of the machine are clean.

Is the machine in the toner saver mode?

Set <TONER SAVER MODE> to <OFF>. (See "Setting the Toner Save Mode.")

Faxes do not print.

Have you removed the plastic seal from the toner cartridge?

Make sure you remove the seal from the cartridge. (See "Set Up the Machine," in the Starter Guide.)

Is the toner cartridge installed properly?

Make sure the toner cartridge is installed properly. (See "Set Up the Machine," in the Starter Guide.)

Is the cartridge out of toner?

Replace the toner cartridge. (See "Replacing the Toner Cartridge.")

Is the correct size paper loaded in the machine?

Make sure you load paper that meets the requirements for use. (See "Paper Requirements.")

Change <PAPER SIZE>. (See "Setting Paper Size and Type.")

Received faxes print blotched or unevenly.

Is the sender's machine functioning properly?

Ask the sender to check that the scanning components of the machine are clean.

Is the toner low or unevenly distributed?

Redistribute the toner inside the toner cartridge. If the problem persists, replace the toner cartridge. (See "Replacing the Toner Cartridge.")

Part of the document you receive is cut off.

Are the slide guides of the paper cassette set to the size of the paper?

Adjust the guides of the paper cassette to the size of the paper.

Have you specified the correct paper size for the paper cassette?

Specify the correct paper size for the paper cassette.

Is the toner low or unevenly distributed?

Redistribute the toner inside the toner cartridge. If the problem persists, replace the toner cartridge. (See "Replacing the Toner Cartridge.")

Is the printing method for received documents set to <CUT>?

If you want to print a received document without cutting off the end, set the printing method to <ON> or <OFF>. (See "Reducing a Received Document (Fax).")

Cannot receive using Error Correction Mode (ECM).

Does the sender's machine support ECM?

If the sender's machine does not support ECM, the document is received in normal mode without error checking.

Receiving of documents is too slow.

Is the resolution of the sender's machine set higher?

Contact to the sender and make sure the resolution of the sender's machine has been set properly.

Cannot get documents from information services.

Is your machine set to the tone dialing type of the telephone line?

Press [Tone] to set the tone dialing.

Do you receive messages from the information services such as to press [Start] after the beep to receive?

When you hear the beep sound, press [Start].

Errors occur frequently while receiving.

Are the telephone lines in poor condition, or do you have a bad connection?

Check if there is a device nearby that interferes with signal reception (e.g., microwave oven).

Is the sender's machine functioning properly?

Ask the sender to check that the machine is functioning properly.

Cannot print received documents on both sides of the paper.

Is <2-SIDED PRINT> set to <ON>?

Make sure that <2-SIDED PRINT> is set to <ON>. (See "Printing Received Documents on Both Sides of Paper (Fax).")



Copying Problems

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Blank paper comes out from the machine.

Copy is too light or has uneven density.

Copy has vertical white streaks.

Copy is spotted or dirty.

Paper jams occur.

Copy is skewed.

Copy is not clear.

Documents are copied in <CALENDAR TYPE> even if <BOOK TYPE> is selected (or vice versa).

The alarm sounds or <MEMORY FULL> appears in the display when making copies.

Blank paper comes out from the machine.

Have you removed the plastic seal from the toner cartridge?

Make sure you remove the seal from the cartridge. (See "Set Up the Machine," in the Starter Guide.)

Is the toner cartridge installed properly?

Make sure the toner cartridge is installed properly. (See "Set Up the Machine," in the Starter Guide.)

Is the cartridge out of toner?

Replace the toner cartridge. (See "Replacing the Toner Cartridge.")

Does the document meet the requirements for the machine?

Make sure you load documents that meet the requirements for use.(See "Document Handling.")

Copy is too light or has uneven density.

Is the toner low or unevenly distributed?

Redistribute the toner inside the toner cartridge. If the problem persists, replace the toner cartridge. (See "Replacing the Toner Cartridge.")

Copy has vertical white streaks.

Is the toner low or unevenly distributed?

Redistribute the toner inside the toner cartridge. If the problem persists, replace the toner cartridge. (See "Replacing the Toner Cartridge.")

Copy is spotted or dirty.

If the copy is spotted or dirty, clean the scanning components and machine's interior. (See "Cleaning the Machine.")

Paper jams occur.

Make sure the scanning platform and rear cover are fully closed. (See "Paper Jams.")

Is the paper loaded correctly?

Make sure the paper is correctly loaded. (See "Loading Paper.")

Is the correct type of paper loaded in the machine?

Make sure you load paper that meets the requirements for use. (See "Paper Requirements.")

Copy is skewed.

Is the paper loaded correctly?

Make sure the paper is correctly loaded in the machine. (See "Loading Paper.")

Make sure the paper delivery slot is free of obstructions.

Copy is not clear.

Is the correct type of paper loaded in the machine?

Make sure you load paper that meets the requirements for use. (See "Paper Requirements.")

Are you copying on the wrong side of the paper?

Some papers have a "right" side for copying. If the copy quality is not as clear as you think it should be, try copying on the other side of the paper.

Documents are copied in <CALENDAR TYPE> even if <BOOK TYPE> is selected (or vice versa).

Are you copying the landscape oriented documents?

For the landscape oriented documents, the front and back sides of the copy will have the opposite top bottom orientation when <BOOK TYPE> is selected. When <CALENDAR TYPE> is selected, the front and back side of the copy will have the same top-bottom orientation. (See "2-Sided Copying.")

The alarm sounds or <MEMORY FULL> appears in the display when making copies.

Is the machine's memory full?

Check remaining memory. (See "Checking Remaining Memory (MF4380dn/MF4370dn/MF4350d/MF4340d Only).")



Printing Problems

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Blank paper comes out from the machine.

Printout is too light or has uneven density.

Printout has vertical white streaks.

Printout is spotted or dirty.

Printout is skewed.

Paper jams occur.

Printout is not clear.

Cannot print 2-sided documents.

Cannot print documents from a computer.

Blank paper comes out from the machine.

Have you removed the plastic seal from the toner cartridge?

Make sure you remove the seal from the cartridge. (See "Set Up the Machine," in the Starter Guide.)

Is the toner cartridge installed properly?

Make sure the toner cartridge is installed properly. (See "Set Up the Machine," in the Starter Guide.)

Is the cartridge out of toner?

Replace the toner cartridge. (See "Replacing the Toner Cartridge.")

Printout is too light or has uneven density.

Is the toner low or unevenly distributed?

Redistribute the toner inside the toner cartridge. If the problem persists, replace the toner cartridge. (See "Replacing the Toner Cartridge.")

Printout has vertical white streaks.

Is the toner low or unevenly distributed?

Redistribute the toner inside the toner cartridge. If the problem persists, replace the toner cartridge. (See "Replacing the Toner Cartridge.")

Printout is spotted or dirty.

If the copy is spotted or dirty, clean the scanning components and machine's interior. (See "Cleaning the Machine.")

Printout is skewed.

Is the paper loaded correctly?

Make sure the paper is correctly loaded in the machine. (See "Loading Paper.")

Make sure the output tray slot is free of obstructions.

Paper jams occur.

Make sure the scanning platform and rear cover are fully closed. (See "Paper Jams.")

Is the paper loaded correctly?

Make sure the paper is correctly loaded. (See "Loading Paper.")

Is the correct type of paper loaded in the machine?

Make sure you load paper that meets the requirements for use. (See "Paper Requirements.")

Printout is not clear.

Is the correct type of paper loaded in the machine?

Make sure you load paper that meets the requirements for use. (See "Paper Requirements.")

Are you printing on the wrong side of the paper?

Some types of paper have a "right" side for printing. If the printout quality is not as clear as you think it should be, try printing on the other side of the paper.

Cannot print 2-sided documents.

Is the printer driver settings correctly set for two sided printing?

Make sure that the printer driver is correctly set.

Cannot print documents from a computer.

Is the printer driver properly installed?

Make sure that the printer driver is properly installed.

Are the printer driver settings (Paper Size, Output Size) correct?

Make sure that the printer driver settings (Paper Size, Output Size) are correct. (See "Setting Printer Conditions Beforehand.")

Is the USB cable properly connected to the machine and the computer?

Make sure that the USB cable is properly connected to the machine and the computer. Try a different USB cable.

Does the USB port you are using properly work?

Restart your computer and the machine. If the computer has other ports, connect the USB cable to others.

Are there any jobs remaining in the print queue?

A print job may be stuck in the print queue when it could not be finished due to an unexpected interruption. When this happens, follow this procedure to delete any remaining print jobs, and then print the documents again.
1. Double-click the icon of the printer you installed.

For Windows Vista:

Click [Start] on the Windows task bar → [Control Panel] → [Printer] under [Hardware and Sound].

For Windows 2000:

Click [Start] on the Windows task bar → [Settings] → [Printers].

For Windows XP Professional/Server 2003:

Click [start] on the Windows task bar → [Printers and Faxes].

For Windows XP Home Edition:

Click [start] on the Windows task bar → [Control Panel] → [Printers and Other Hardware] → [Printers and Faxes].

For Windows Server 2008:

Click [Control Panel] on the desktop → [Printers].

For Windows 7/Server 2008 R2:

Click [Start] on the Windows task bar → [Devices and Printers].

2. Delete the print job.

For deleting all the print jobs:

Click [Printer] → [Cancel All Documents]

For the specified job:

Right-click the specified print job → [Cancel].



Scanning Problems

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Cannot scan a document.

You tried to create a multi-page PDF, but were not able to scan several documents.

Computer has hung up or frozen.

You installed the applications in the CD-ROM supplied with the machine but they are not registered in the MF Toolbox.

When you click a button on the MF Toolbox, another application opens.

Changed settings in a dialog box are not activated.

Scanned images look dirty.

Scanned image is displayed at a larger (smaller) size on the computer screen.

Cannot scan highlighted marks.

The amount of image data is too large to be scanned. (only for Color Network ScanGear)

Dark borders and frame lines that appear around the original have been scanned.

Cannot scan a document.

Does anything appear on the display?

If nothing appears on the display, see "General Problems."

Is the Error indicator blinking?

If the Error indicator is blinking, see "General Problems."

Is the document placed correctly?

Remove the document and place it on the platen glass or in the ADF correctly. (See "Placing Documents.")

Is your computer working properly?

Restart your computer.

Is your USB hub or repeater working properly?

When using a USB hub or repeater, try connecting a USB cable directly to the computer to check if it works properly. If you can scan the document successfully after connecting a USB cable directly to the computer, check your USB hub or repeater if it is working properly.

Are you using a USB 2.0-compatible USB hub?

If you connect the machine to a USB 2.0-equipped computer using a USB 2.0-compatible USB hub, you may not be able to scan. In this case, connect a USB cable directly to the computer.

If you connect the machine to a USB 2.0-equipped computer, you may not be able to scan. If your computer is equipped with two or more USB ports, try connecting the machine to another USB port. If the problem persists, follow the procedure below to modify the INI file. It is recommended to make a backup copy of the file before making any changes to it.
1. Open the following file in Notepad or another text editor application.

Windows 2000:

winnt\system32\CNCMFP34x*.INI

Windows XP/Vista/7:

windows\system32\CNCMFP34x*.INI

2. In the [ScanSize] section, change "Read512Bytes=0" to "Read512Bytes=1," then save the file. Take care not to modify any other parts.

* "x" differs depending on the type of model:
"a" for MF4380dn/MF4370dn and
"b" for MF4350d/MF4340d/MF4330d/MF4320d.

Have you specified the document source correctly with the MF Toolbox, ScanGear MF, or WIA driver?

Choose between placing the document on the platen glass or in the ADF.

After installing the software for this machine, did you install a TWAIN-compatible application?

The TWAIN system file is replaced with something inappropriate and you will be unable to scan images. If this happens, remove the software, then reinstall it. (See "Set Up Computers and Software," in the Starter Guide.)

Is the machine recognized in [Scanners and Cameras]?

Make sure the corresponding scanner driver icon is displayed in [Scanners and Cameras].
1. Click [start] on the Windows task bar → select [Control Panel] → [Printers and other Hardware] → [Scanners and Cameras]. (Windows 7: Enter "scanner" in [Search programs and files] under the [Start] menu → click [View scanners and cameras]. Windows Vista: [start] → [Control Panel] → [Hardware and Sound] → [Scanners and Cameras]. Windows 2000: [Start] → [Settings] → [Control Panel] → double-click [Scanners and Cameras].)
2. If the corresponding scanner driver icon is displayed in the [Scanners and Cameras], the machine is recognized. If not, remove the software, then reinstall it. (See "Set Up Computers and Software," in the Starter Guide.)

You tried to create a multi-page PDF, but were not able to scan several documents.

Is the [Automatically Quit ScanGear after Scanning] check box in [Preferences] selected?

If you scan with the [Automatically Quit ScanGear after Scanning] setting selected, only the documents placed at one time on the platen glass will be scanned.
Click a button on the MF Toolbox and, in the settings dialog box, select [Display the Scanner Driver] to open the ScanGear MF. In the [Preferences] dialog box of Advanced Mode, clear the [Automatically Quit ScanGear after Scanning] check box before scanning.

Computer has hung up or frozen.

Is enough memory loaded in your computer?

Quit other opened applications and try again.

Is enough space available in the hard disk?

Check that the hard disk has enough available space, in particular when scanning large documents at a high resolution. For example, a LTR-size document scanned at 600 dpi, full color requires a minimum of 300 MB of disk space.

When an error occurred during scanning an image in Photoshop.

Change the allocated memory in Photoshop. From the [Edit] menu, select [Preferences] → click [Memory & Image Cache]. Change the [Memory Usage] in a range of approximately 50% to 60%.

Is the driver installed properly?

Remove the software, then reinstall it. (See "Set Up Computers and Software," in the Starter Guide.)

You installed the applications in the CD-ROM supplied with the machine but they are not registered in the MF Toolbox.

Have you installed the applications with the MF Toolbox open?

If you install the applications with the MF Toolbox open, the applications will not be registered in the MF Toolbox. On the MF Toolbox dialog box, click [Set] to register the application manually. (See "External Application (E-mail Program).")

When you click a button on the MF Toolbox, another application opens.

Is the application selected correctly for that button?

Click a button on the MF Toolbox and select the application you want to open for that button. (See "External Application (E-mail Program).")

Changed settings in a dialog box are not activated.

Did you restart your computer after changing the settings?

If you open [Scanners and Cameras] and change the settings in the [Events] tab, the changes may not be reflected. In this case, restart your computer.

Scanned images look dirty.

Are the scanning components of the machine clean?

Clean the platen glass, cover and the ADF scanning area.

Is the image size too small?

Some applications do not display an image properly at small sizes. Try displaying the image at 100% magnification.

Is the monitor's display color set below 16 bits?

In [Display Properties], set the display colors to 16-bit color, 24-bit color or higher.

Scanned image is displayed at a larger (smaller) size on the computer screen.

Is the resolution setting correct?

Perform one of the following:

  • Enlarge or reduce the image display in the application. If you open the image in Paint or Imaging, it may display at a large size and you will not be able to reduce it.
  • Change the resolution and scan again. The image will be large if the resolution is high. It will be small if the resolution is low. (See "Determining Resolution.")

Cannot scan highlighted marks.

Is [Color Correction] set to [Color Matching] ?

In [Advanced Mode] in ScanGear MF, set [Color Correction] to [Color Matching] in the [Color Settings] tab. (See "[Preferences] Dialog Box.")

The amount of image data is too large to be scanned. (only for Color Network ScanGear)

Select [High] from [Compression Ratio] in the [Options] sheet.

Dark borders and frame lines that appear around the original have been scanned.

Perform the following steps:
1. Right-click in the Preview Area to display a pop-up menu.
2. On the pop-up menu, point to [Original Frame Erase] → click [On].



Telephone Problems

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Cannot dial.

Telephone disconnects while you are talking.

Calls do not connect, or the wrong number is dialed.

Cannot dial.

Is the telephone cable connected properly?

Make sure the cable is connected properly. (See "Make Fax Settings," in the Starter Guide.)

Is the power cord plugged in securely?

Check that the power cord is securely plugged into the machine and into the wall outlet. If the machine is plugged into a power strip, make sure the power strip is plugged in and turned on.

Is the main power switch turned ON?

Turn ON the main power switch.

Is the machine set for the correct telephone line type?

Make sure the machine is set for the correct telephone line type. (See "Setting the Type of Telephone Line (Fax).")

Is the receive mode set to <FAX/TEL>?

If you cannot make telephone calls using an external telephone when the receive mode is set to <FAX/TEL>, make the settings described below.
[MENU] → <FAX SETTINGS> → <USER SETTINGS> → set <PUBLIC LINE> to <ADAPTER 1>.
If the problem persists, set <PUBLIC LINE> to <ADAPTER 2>.
* The default setting is <DIRECT>.
If you set <PUBLIC LINE> to <ADAPTER 1> or <ADAPTER 2>, do not connect the supplied telephone cable directly to the wall jack and the telephone line jack on the back side of the machine.

Telephone disconnects while you are talking.

Is the telephone cable connected properly?

Make sure the cable is connected properly. (See "Make Fax Settings," in the Starter Guide.)

Is the telephone cable defective?

Use another cable.

Calls do not connect, or the wrong number is dialed.

Did you check for the dial tone before entering the telephone number?

Make sure to check for the dial tone before entering a telephone number. If you enter the number before hearing the dial tone, the call may not be connected or the wrong number may be dialed.



Network Problems

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Unable to print from a TCP/IP network.

The printer port name is not displayed in [Print to the following port(s)].

The machine automatically connects to a destination other than the intended destination via its dial-up access (when a dial-up router is connected to the network).

Detailed information concerning the machine cannot be set or browsed using the Remote UI or utility.

Unable to print from a TCP/IP network.

Are the machine and cable properly connected?

Check that the machine is connected to the network using the proper cable, then restart the machine. (See "Set Up Network Connection," in the Starter Guide.)

Is the TCP/IP network properly set up?

Make sure the IP addresses are properly set up. If the IP addresses are set using DHCP, BOOTP, or RARP, make sure they are operating.

Is the computer that is printing properly set up?

Make sure the proper printer driver is installed. (See "Set Up Computers and Software," in the Starter Guide.)

Make sure the correct machine is set as the output destination for the computer that is printing in [Printers and Faxes] or Print Manager.

Is the name of the file being printed too long?

Rename the file with a shorter name. Normally LPR (or the Microsoft TCP/IP Printer, if you are using Windows 2000/XP/Vista/7/Server 2003/Server 2008) sends jobs either under the name of the application software used for printing or the file name. However, a job name longer than 255 bytes cannot be sent to the machine.

The printer port name is not displayed in [Print to the following port(s)].

Are the machine and cable properly connected?

Check that the machine is connected to the network using the proper cable, then restart the machine. (See "Set Up Network Connection," in the Starter Guide.)

Is the computer that is printing properly set up?

Make sure the proper printer driver is installed. (See "Set Up Computers and Software," in the Starter Guide.)

Make sure the correct machine is set as the output destination for the computer that is printing in [Printers and Faxes] or [Printers].

The machine automatically connects to a destination other than the intended destination via its dial-up access (when a dial-up router is connected to the network).

Does the dial-up router send packets via broadcast?

If the dial-up router does not need to send packets via broadcast, change the router settings to ensure that it sends packets via a method other than broadcast. If the dial-up router has to send packets via broadcast, check that the settings are correct.

Dose the file or mail server's host name or IP address set on the machine exist on the network?

Check that the file or mail server's host name or IP address set on the machine is correct.

Does the DNS server exist on an external network?

If you attempt to access a device on the network to which the machine is connected, with the DNS server on an external network, set the destination using an IP address, not a host name.

Is the device's information set on the DNS server on the network to which the machine is connected correct?

If information about a device on an external network is set on the DNS server on the network to which the machine is connected, check the settings.

Detailed information concerning the machine cannot be set or browsed using the Remote UI or utility.

Are the settings for <SET IP ADD RANGE> correct?

If the settings for [IP Address Range Settings] do not permit the IP address of a computer on which the Remote UI or utility is used, you cannot set the machine setting items or browse information on the machine. Check the settings for <SET IP ADD RANGE>. (See "Controlling Machine Access Using IPv4 addresses" or "Controlling Machine Access Using IPv6 addresses.")

Is <USE SNMP> is set to <OFF>?

Set <USE SNMP> to <ON>. (See "Setting SNMP.")

Does the SNMP community name match?

If you use an SNMP community name different from the one stored in the machine to access the machine from a utility, the utility will not detect the machine. In this case, check the SNMP community name. (See "Setting SNMP.")



Installing and Uninstalling Problems

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Cannot install the software.

Removal of the drivers takes too long (Windows XP).

Removal of the software was completed, but the [Canon] folder remains in the [Start Menu].

Cannot use the software after upgrading to Windows XP/Vista/7.

Cannot install the software.

Have you followed the instructions to install the software?

Try reinstalling the software. If an error occurred and installation was not complete, restart your computer and try reinstalling the software.

Are any other applications open?

Quit all of these and try reinstalling the software.

Removal of the drivers takes too long (Windows XP).

Is any application such as an anti-virus open when removing the software?

Quit any applications (including anti-virus) before removing the software.

Removal of the software was completed, but the [Canon] folder remains in the [Start Menu].

Did you remove the MF drivers before removing the MF Toolbox?

If you remove the MF drivers first, the [Canon] folder may remain even after the MF Toolbox is uninstalled. In this case, perform the following steps to remove the folder.
In Windows XP/Server 2003, right-click the [start] menu to open the Windows Explorer → select [Start Menu] in [All Users] → [Programs] → delete the [Canon] folder.
In Windows Vista, right-click the [start] menu and select [Explore - All Users] → select [Start Menu] in [All Users] → [Programs] → delete the [Canon] folder.
In Windows 7, delete the [Canon] folder in [All Programs] under the [Start] menu.
In Windows Server 2008, right-click the [Start] menu and select [Explore All Users] → select [Start Menu]
In Windows 2000, open [Settings] from the [Start] menu → click [Taskbar & Start Menu] → [Advanced] → [Advanced] → select [Start Menu] in [All Users] → [Programs] → delete the [Canon] folder.

Cannot use the software after upgrading to Windows XP/Vista/7.

Have you upgraded Windows 2000 to Windows XP/Vista/7 without removing the software?

Remove the software, then reinstall it. (See "Set Up Computers and Software," in the Starter Guide.)



Uninstalling Software

If the printer/fax driver, MF Toolbox, or Color Network ScanGear becomes unnecessary, follow the procedure below to uninstall them.


Remark
  • Before performing uninstallation, confirm that:
  • You have the installation software (if you want to re-install the drivers)
  • No applications are running on your computer
  • For uninstallation, you must be the user with administrative privileges.
  • For uninstallation, first uninstall the MF Toolbox, and then the MF drivers.

  • Printer/Fax Driver

  1. From the Windows task bar, [Start] or [start] menu, click [Programs] or [All Programs] → [Canon] → [MF4360-4390] or [MF4320-4350] → [Uninstall Drivers].

The [MF Drivers Uninstaller] dialog box appears.


  1. Click [Delete].

  1. Click [Exit].

  • MF Toolbox

  1. From the Windows task bar, [Start] or [start] menu, click [Programs] or [All Programs] → [Canon] → [MF Toolbox 4.9] → [Toolbox Uninstall].

  1. Click [Remove].

  1. Click [Exit].

  • Color Network ScanGear

  1. From the Windows task bar, [Start] or [start] menu, click the items in the following order.

Windows 2000: [Settings] → [Control Panel] → [Add or Remove Programs]

Windows XP/Server 2003: [Control Panel] → [Add or Remove Programs]

Windows Vista/7/Server 2008: [Control Panel] → [Uninstall a program] under [Programs]


  1. Select [Color Network ScanGear Ver.2.40].

  1. Click the following icon.

Windows 2000: [Change/Remove]

Windows XP/Server 2003: [Remove]

Windows Vista/7: [Uninstall]

Windows Server 2008: [Uninstall/Change]