Select to improve print quality in high temperature and high humidity conditions or in low temperature and low humidity conditions.
The default settings is <OFF>.
Press [Menu].
Press [] or [] to select <ADJUST./CLEANING>, then press [OK].
Press [] or [] to select <SPECIAL MODE U>, then press [OK].
Press [] or [] to select <MODE1> or <MODE2>, then press [OK].
<OFF>: Select in normal condition.
<MODE1>: Select to improve print quality in low temperature and low humidity conditions, or when using thick paper or an envelope.
<MODE2>: Select to improve print quality in high temperature and high humidity conditions.