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Field Service
V
er. 1.0 Apr. 200
8
16. Image quality problems
237
bizhub C31P
T
roubleshooting
16.1.17
Uneven pitch
A. Typical faulty images
B. Troubleshooting procedure
A0EAF4C517DA
Step
Section
Check item
Result
Action
1
Toner cartridge
Is the toner cartridge for each
color of toner installed in posi-
tion?
NO
Reinstall.
2
PH unit
Is the PH unit secured in position
with the fixing screw?
NO
Secure it in position.
3
Imaging unit
Is the drive mechanism of the
imaging unit dirty or damaged?
YES
Clean or change the imaging unit.
4
Is the photo conductor dirty,
scratched, or worn?
YES
Change the imaging unit.
5
Transfer roller
Are the transfer roller and drive
mechanism dirty, scratched,
deformed, or worn?
YES
Change the transfer roller.
6
Fuser unit
Are the rollers and drive mecha-
nism of the fuser unit dirty,
scratched, deformed, or worn?
YES
Change the fuser unit.
7
Driving unit
During color printing, this symp-
tom happens with 0.5 mm
pitches.
YES
Change the driving unit.
8
Has the problem been eliminated
through the checks of steps up to
7?
NO
Change the transfer belt.
Summary of Contents for Bizhub-C31P
Page 1: ...SERVICE MANUAL 2008 04 2008 04 Ver 1 0 Ver 1 0 FIELD SERVICE ...
Page 3: ...ii Blank Page ...
Page 25: ...MEASURES TO TAKE IN CASE OF AN ACCIDENT S 22 Blank Page ...
Page 28: ...SERVICE MANUAL 2008 04 Ver 1 0 FIELD SERVICE Main body ...
Page 286: ...SERVICE MANUAL 2008 04 Ver 1 0 FIELD SERVICE Lower Feeder Unit ...
Page 309: ...6 Jam display Field Service Ver 1 0 Apr 2008 20 Lower Feeder Unit Troubleshooting Blank Page ...
Page 310: ...SERVICE MANUAL 2008 04 Ver 1 0 FIELD SERVICE Duplex Option ...
Page 315: ...1 Product specifications Field Service Ver 1 0 Apr 2008 2 Duplex Option General Blank Page ...
Page 327: ...3 Jam display Field Service Ver 1 0 Apr 2008 14 Duplex Option Troubleshooting Blank Page ...
Page 328: ...SERVICE MANUAL 2008 04 Ver 1 0 FIELD SERVICE Staple Finisher ...
Page 335: ...1 Product specifications Field Service Ver 1 0 Apr 2008 4 Staple Finisher General Blank Page ...
Page 353: ...2 Other Field Service Ver 1 0 Apr 2008 22 Staple Finisher Maintenance Blank Page ...
Page 365: ...4 Error codes Field Service Ver 1 0 Apr 2008 34 Staple Finisher Troubleshooting Blank Page ...