1) Color Has Faded-Out And Blurred Entirely. (Refer To Figure 7-2 A); Color Are Faded-Out And Blurred - Oki MC860 Maintenance Manual

Oki Data CONFIDENTIAL

7.5.3.(1) Color has faded-out and blurred entirely. (Refer to Figure 7-2 A)

(1-1) Color are faded-out and blurred.

Check item
(1-1-1) Toner
Residual amount of Confirm that the message "Please Install
toner Toner" or "Toner Enpty" is not displayed on
the Operator Panel screen.
Tape attached to Check that the tape is not removed from
the opening of toner the opening of the toner cartridge.
cartridge
(1-1-2) LED head
Lens of LED head Check to see that lens surface of the LED
head is not stained by toner or paper dust.
LED head installed Confirm that the LED head is installed in
status the LED head holder normally. Confirm that
the tension springs in the right and left are
normally installed.
(1-1-3) Print media
Types of media Check that the specially heavy media is not
used for printing.
43967002TH Rev. 1
Check work Action to be taken at NG
Replace the toner
cartridge with the
new one.
Move the toner
cartridge lever to
Close position, and
peel off the tape
from the opening of
the toner cartridge.
Clean the lens with
LED head lens
cleaner.
Return the MFP
to the installed
condition.
Use the specified
normal paper.
Check item
(1-1-4) 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.)
(1-1-5) ID unit installed condition
ID unit down Insert and remove the ID unit with hand
position (Transfer to check that it can move down to the
error) specified down position without any
abnormal load. Make a test of inserting
a paper in between the drum and belt. If
paper top can easily pass, it is not good
(NG).
7. Troubleshooting
Check work Action to be taken at NG
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.
Check the U groove
of the side plate for
any abnormality. If it
cannot be repaired,
replace it.
348 /