e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
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ERROR CODE and TROUBLESHOOTING
8 - 318
(*1): Decrease the corresponding 2nd transfer bias output as follows depending on what happened,
and check if the residual image has changed and adjust the value accordingly.
Front side, color mode
Decrease the value of the code 05-2934-0 to -9 by 1 while you are checking how the streaks have
changed.
Back side, color mode
Decrease the value of the code 05-2935-0 to -9 by 1 while you are checking how the streaks have
changed.
Front side, black mode
Decrease the value of the code 05-2936-0 to -9 by 1 while you are checking how the streaks have
changed.
Back side, black mode
Decrease the value of the code 05-2937-0 to -9 by 1 while you are checking how the streaks have
changed.
Transfer unit
12
Are the harness or foreign matters in
contact with the transfer belt surface?
Correct or remove them.
13
Is there paper dust on the edge of
transfer belt cleaning blade?
Clean or replace the transfer belt
cleaning blade.
14
Is the transfer belt cleaning blade in
proper contact with the transfer belt?
Take off the transfer belt and check if
the transfer belt cleaning blade
pressure spring is installed properly.
15
Is the paper mode correct for the
paper in use?
Set the correct paper mode. If streaks
still appear in the correct paper mode,
follow step 16.
16
Is the bias output dependent on the
2nd transfer bias?
Perform the following (*1) adjustment
(05 mode).
Fuser unit
17
a. Is there dirt or scratches on the
fuser belt and pressure roller.
b. Is the thermistor dirty?
a. Clean or replace them.
b. Clean the thermistor.
Drum
18
Are there scratches on the drum
surface?
Replace the drum.
Laser optical
unit
19
Is there foreign matter or dust on the
slit glass?
Remove foreign matter or dust.
Cause/Section
Step
Check item
Measures
