Oki Data CONFIDENTIAL
44158801TH Rev.2
263 /
8.5.3.(2)
Background is dirty (Fig.8.2
B
)
(2-1) Background is dirty (partly)
Confirmation Items
Confirmation Tasks
Action at NG
(2-1-1) ID unit
Drum exposed to light
Check to see if the ID unit has been left in an
environment where its surface was exposed to light for a
long time.
Replace the ID unit.
To use a new ID unit
on a trial basis, use
FUSE KEEP MODE
of the System
Maintenance Menu.
Leak of toner
Check to see if toner is leaking from the ID unit or toner
cartridge.
Replace the ID unit
or toner cartridge.
To use a new ID unit
on a trial basis, use
FUSE KEEP MODE
of the System
Maintenance Menu.
(2-1-2) Fuser unit
Offset toner of fuser unit
Check to see if the fuser unit has offset toner from the
previous print job sticking.
Repeat idle printing
by using waste
medium, until the
offset toner is
exhausted to the
print medium. Or,
replace the fuser
unit. To use a new
fuser unit on a trial
basis, use FUSE
KEEP MODE of the
System Maintenance
Menu.
(2-2) Background is dirty (totally)
Confirmation Items
Confirmation Tasks
Action at NG
(2-2-1) Print medium
Type of medium
Check to see if an especially thin medium is used for
printing.
Use the prescribed
paper.
(2-2-2) High-voltage terminal
ID unit terminal
Ensure visually that the high-voltage terminal of the ID
unit is properly in contact with the contact ASSY (see
Figure 8-3).
Replace the ID unit
or modify the high-
voltage terminal. To
use a new ID unit
on a trial basis, use
FUSE KEEP MODE
of the System
Maintenance Menu.