Oki Data CONFIDENTIAL
45850101TH Rev.1
2-74
2. TROUBLESHOOTING PROCEDURES
2.5.6.(1) Color has faded-out and blurred entirely. (Refer to Figure 2-1 A.)
(1-1)
Color are faded-out and blurred.
Check item
Check work
Actions to be taken
at NG
(1-1-1) Toner
Remaining amount
of toner
Check if the message "Prepare toner
replacement." or "Replace the toner." appears
or not.
Replace toner
cartridge with
new one.
Tape attached to
the toner cartridge
opening slot
Check to see that the tape attached to the
toner cartridge opening slot has been peeled
off.
Move the toner
cartridge lever to
CLOSE position
and remove tape
from opening
slot.
(1-1-2) LED head
Lens of the LED
head
Check if surface of the lens of the LED head
is stained or not by toner and paper dust.
Clean the lens
with soft tissue
paper.
Mounting condition
of LED head
Check that the LED head is mounted on the
LED head holder correctly. Check that the
right and left tension springs are normally
installed.
Correct
for normal
condition.
(1-1-3) Print media
Media type
Check to see that the print media which is
used for printing is not a specially thick media
Use the normal
paper.
(1-1-4) High voltage terminal
ID unit terminal
ICheck that the high voltage terminal of the ID
unit is contacting with the Contact Assembly
normally by visual inspection. (Refer to Figure
2-2.)
IReplace the ID
unit or correct
the high voltage
terminal.
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 item
Check work
Actions to be taken
at NG
(1-1-5) ID unit installation condition
ID unit DOWN
position (Defective
transfer)
Move the ID unit in and out with hand to
confirm that any abnormal mechanical load
does not exist, and the ID unit can be moved
down to the DOWN position normally. If a
piece of paper is inserted in between drum
and belt, if top end of the paper can enter
easily, it is NG (No Good).
Check the
U-shaped
groove of the
side plate for
any abnormality.
If repair is found
impossible,
replace the
equipment.
