6-88 Using the Operation Panel
LSU/Charger (LSU/Main charger cleaning mode setting)
This sets the cleaning mode for the LSU/Main charger. When the printing
quality declines, cleaning the LSU/Main charger can restore the printing
quality. This is primarily used for maintenance by service personnel.
1Press Z while >Service > is displayed.
2Press U or V repeatedly until >>LSU/Charger appears.
3Press [OK]. A question mark (?) appears.
4Press [OK] again. LSU/Main charger cleaning mode begins and
Please wait (Cleaning) is displayed.
5When cleaning ends, the display returns to Ready.
Drum (Drum/Refresh mode setting)
This sets the refresh mode for the drum. When the printing quality
declines, refreshing the drum can restore the printing quality. This is
primarily used for maintenance by service personnel.
1Press Z while >Service > is displayed.
2Press U or V repeatedly until >>Drum appears.
3Press [OK]. A question mark (?) appears.
4Press [OK] again. Drum refreshing begins and Please wait is
displayed.
5When refreshing ends, the display returns to Ready.
>>LSU/Charger ?
>>Drum ?