Oki MC860 MFP, Руководство по обслуживанию

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Oki Data CONFIDENTIAL
43967002TH Rev. 1
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7. Troubleshooting
7.5.3.(2) Stain on white print (Refer to Fig. 7-2
B
)
(2-1) Stain on white print (Partial stain)
Check item Check work Action to be taken at NG
(2-1-1) ID unit
Exposure of drum to
light Has the drum been left in the locations
where drum surface is exposed to light for
a long time? Replace the ID unit.
If any attempt of
using new ID unit
as a trial is going to
be made, be sure
to use the System
Maintenance Menu
FUSE KEEP MODE.
Toner leakage Check if toner leaks out from the ID unit or
from toner cartridge. Replacement of
ID unit or toner
cartridge. If any
attempt of using
new ID unit as a
trial is going to be
made, be sure to
use the System
Maintenance Menu
FUSE KEEP MODE.
(2-1-2) Fuser unit
Offset toner of fuser
unit Check visually that the offset toner of
previous printing is left adhered to the fuser
unit or not. Repeat blank
printing using
unwanted medial
until offset toner
is created on
the print media.
Alternately, replace
the fuser unit. If any
attempt of using
new fuser unit as
a trial is going to
be made, be sure
to use the System
Maintenance Menu
FUSE KEEP MODE.
(2-2) Stain on white print (Entire stain)
Check item Check work Action to be taken at NG
(2-2-1) Print media
Types of media Is a specially thin media being used for
printing? Use the specified
normal paper.
(2-2-2) High voltage terminal
ID unit terminal Confirm that the ID unit high voltage
terminal keeps contacting with the high
voltage terminal by visual check.
(Refer to Fig. 7-3.) ID unit replacement
or high voltage
terminal repair If
any attempt of using
new ID unit as a
trial is going to be
made, be sure to
use the System
Maintenance Menu
FUSE KEEP MODE.