16. Image quality problem
Field Service Ver. 1.0 May 2006
230
magicolor 7450
T
roubleshooting
16.3.15
4-Color: uneven density in sub scan direction
A. Typical Faulty Images
B. Troubleshooting Procedure
4036fs4043c0
4036fs4044c0
Step
Section
Check Item
Result
Action
1
Transfer Belt
Fingerprints, oil, or other foreign
matter is evident on the Transfer
Belt.
YES
Clean with specified solvent.
(See Maintenance.)
2
Transfer Belt is dirty or scratched.
YES
Clean dirty belt with a soft cloth.
Change Transfer Belt if belt is
damaged.
3
Terminal is dirty.
YES
Clean.
4
Transfer Roller
Transfer Roller is installed properly.
NO
Reinstall.
5
Transfer Roller is dirty or scratched.
YES
Change Transfer Roller Unit.
6
The problem has been eliminated
through the checks of steps up to 5.
NO
Change Transfer Belt.
Содержание magicolor 7450
Страница 1: ...SERVICE MANUAL 2006 05 2006 05 Ver 1 0 Ver 1 0 FIELD SERVICE magicolor 7450 magicolor 7450 ...
Страница 3: ...ii Blank Page ...
Страница 26: ...SERVICE MANUAL 2006 05 Ver 1 0 FIELD SERVICE Main Unit magicolor 7450 magicolor 7450 ...
Страница 43: ...2 Product specifications Field Service Ver 1 0 May 2006 6 magicolor 7450 General Blank Page ...
Страница 288: ...SERVICE MANUAL 2006 05 Ver 1 0 FIELD SERVICE Lower Feeder Unit ...
Страница 293: ...1 Product specifications Field Service Ver 1 0 May 2006 2 Lower Feeder Unit General Blank Page ...
Страница 317: ...3 Other Field Service Ver 1 0 May 2006 26 Lower Feeder Unit Maintenance Blank Page ...
Страница 321: ...5 Sensor check Field Service Ver 1 0 May 2006 30 Lower Feeder Unit Adjustment Setting Blank Page ...
Страница 328: ...SERVICE MANUAL 2006 05 Ver 1 0 FIELD SERVICE Duplex Option ...
Страница 331: ...Duplex Option General Maintenance Adjustment Setting Troubleshooting Field Service Ver 1 0 May 2006 ii Blank Page ...
Страница 333: ...1 Product specifications Field Service Ver 1 0 May 2006 2 Duplex Option General Blank Page ...
Страница 345: ...6 Jam Display Field Service Ver 1 0 May 2006 14 Duplex Option Troubleshooting Blank Page ...