Muratec MFX-3595 Field Engineering Manual page 279

4.6.12 Periodically uneven image
Scanner section
Section Step Check item
Scanner section 1
2
3
4
5
Printer section
Section Step Check item
Drum cartridge 1
Transfer section 2
3
Paper path 4
Fuser unit 5
6
Is the FBS motor drive gear cracked
or dirty with foreign object?
Is the scanner motor secured prop-
erly?
Is the CIS secured properly?
Are the CIS belt attached loosely?
Are the scanner rails damaged or
dirty with foreign object?
Is the drum cartridge driven properly?
Is the transfer roller driven properly?
Is the transfer roller gap dirty?
Is the resist roller driven properly?
Is the fuser unit driven properly?
Is the trouble settled with above
steps?
Result Remedy
Yes Clean / Replace
No Secure properly
No Secure properly
Yes Adjust the belt tension.
Reattach the motor bracket
assy.
Yes Clean / Replace
Result Remedy
No Check and replace drive cou-
pling mechanism
Replace the drum cartridge.
No Check and replace drive gear-
ing mechanism
Yes Clean / Replace
No Check and replace drive cou-
pling mechanism
No Check and replace drive gear-
ing mechanism
No 1. Replace drum cartridge.
2. Replace fuser unit.
3. Replace transfer roller unit.
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