4-116 Using the Operation Panel
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.
1 In the Service Setting menu, press U or V to select Drum.
2 Press [OK]. A confirmation screen appears.
Press [Yes] ([Left Select]). Carry out drum refresh.
Pressing [No] ([Right Select]) returns you to the Service Setting.
menu screen without refreshing the drum.
LSU (LSU cleaning mode setting)
This sets the cleaning mode for the LSU. When the printing quality
declines, cleaning the LSU can restore the printing quality. This is
primarily used for maintenance by service personnel.
1 In the Service Setting menu, press U or V to select LSU.
2 Press [OK]. A confirmation screen appears.
Press [Yes] ([Left Select]). Carry out the LSU cleaning.
Pressing [No] ([Right Select]) returns you to the Service Setting
menu screen without cleaning the LSU.
MP Tray Cleaning (MP Tray Cleaning mode setting)
If dirt appears on images when using the MP tray, perform MP Tray
Cleaning.
1 In the Service Setting menu, press U or V to select MP Tray
Cleaning.
2 Press [OK]. A confirmation screen appears.
3 Load two sheets of A4 or Letter paper in the MP tray.
4 Press [Yes] ([Left Select]). MP Tray Cleaning starts.
Pressing [No] ([Right Select]) returns you to the Service Setting
menu screen without performing MP Tray Cleaning.
Silent Mode (Silent Mode setting)
Make the machine run more quietly. Select this mode when the running
noise is uncomfortable. Use the procedure below to set Silent mode.
1 In the Service Setting menu, press U or V to select Silent Mode.
2 Press [OK]. The Silent Mode screen appears.
3 Press U or V to select the Silent Mode.
4 Press [OK]. The Service Setting menu reappears.