Oki Data CONFIDENTIAL
42615101TH Rev.8 229 /
7.5.3.(2) Background is dirty (Fig.7.2 B )
(2-1)Background is dirty (partly)
Drum Exposure
Toner leak
Offset toner of the fuser unit
Confirmation Tasks
Check whether the drum is left under the condition that the
surface is exposed by the light long time.
Confirm that toner is not leaked from an ID unit or toner
cartridge.
Check that offset toner in the last printing adheres to the fuser
unit.
Action at NG
Exchange the ID unit.
Use FUSE KEEP
MODE of the system
maintenance menu
when using a new ID
unit as a test.
Exchange the ID unit or
toner cartridge.
Use FUSE KEEP
MODE of the system
maintenance menu
when using a new ID
unit as a test.
Repeat printing with
unnecessary media
until the offset toner
runs out. Or exchange
the fuser unit.
Use FUSE KEEP
MODE of the system
maintenance menu
when using a new fuser
unit as a test.
Confirmation Items
(2-1-1)ID unit
(2-1-2)Fuser Unit
(2-2)Background is dirty (totally)
Medium type
ID unit terminal
Confirmation Tasks
Confirm that media for printing are not too thin.
Check that high voltage terminals of the ID unit are
appropriately connected to contact ASSY with eyes.
(Refer to Fig. 7-3)
Action at NG
Apply a regular paper.
Exchange an ID unit or
correct high voltage
terminals.
Use FUSE KEEP
MODE of the system
maintenance menu
when using a new ID
unit as a test.
Confirmation Items
(2-2-1)Media for printing
(2-2-2)High Voltage Terminal