8
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e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
8 - 309
8.5.19
Uneven image density 1 (in feeding direction)
Fig.8-23
Cause/Section
Step
Check item
Measures
Main charger
1
Is the main charger dirty?
Clean it or replace the needle
electrode.
Transfer unit
2
Is the transfer belt or 1st/2nd transfer
rollers dirty?
Clean the belt.
3
Is the transfer belt in proper contact
with the drum?
Correct it.
4
Is 2nd transfer roller in proper
contact with the transfer belt? (Is the
roller tilted?)
Open and close the jam access
cover.
Check if there is any abnormality in
the movement of the 2nd transfer
roller pressure mechanism.
5
Is there any abnormalities or
deformation on the transfer belt?
Replace the transfer belt.
LED head
6
Is there foreign matter or dust on the
LED head?
Clean the LED head
Discharge
LED
7
Is the discharge LED dirty?
Clean it.
8
Has any LED of discharge LED gone
out?
Replace it.
Developer unit 9
Is the magnetic brush in proper
contact with the drum?
Adjust the doctor-sleeve gap.
10
Is the developer unit pressure spring
applying properly?
Check the pressure spring.
11
Is the transport of developer material
poor?
Remove foreign matter if any.
12
Is Kapton tape peeled off or
deformed?
Attach new Kapton tape.
Feeding direction
Содержание e-studio 2555c
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