Image Quality
M156/M157/M176/M177
6-12
SM
6.4 IMAGE QUALITY
6.4.1 OVERVIEW
Image problems may appear at regular intervals that depend on the circumference of certain
components. The following diagram shows the possible symptoms (black or white dots at regular
intervals).
Abnormal image at 29.8 mm intervals: Charge roller
Abnormal image at 37.7 mm intervals: Registration roller
Colored spots at 37.9 mm intervals: Print cartridge (Development roller)
Abnormal image at 45.8 mm intervals: Transfer roller
Colored spots at 75.3 mm intervals: Print cartridge (OPC drum)
Abnormal image at 94.2 mm intervals: Fusing unit (Pressure roller)
Abnormal image at 93.1 mm intervals: Fusing unit (Hot roller)
Abnormal image at 100.5 mm intervals: Paper feed roller
Содержание M156
Страница 1: ...M156 M157 M176 M177 SERVICE MANUAL ...
Страница 14: ...PRODUCT INFORMATION REVISION HISTORY Page Date Added Updated New None ...
Страница 19: ...INSTALLATION REVISION HISTORY Page Date Added Updated New None ...
Страница 22: ...PREVENTIVE MAINTENANCE REVISION HISTORY Page Date Added Updated New None ...
Страница 29: ...REPLACEMENT AND ADJUSTMENT REVISION HISTORY Page Date Added Updated New None ...
Страница 87: ...SERVICE TABLES REVISION HISTORY Page Date Added Updated New None ...
Страница 116: ...TROUBLESHOOTING REVISION HISTORY Page Date Added Updated New None ...
Страница 136: ...ENERGY SAVE REVISION HISTORY Page Date Added Updated New None ...
Страница 143: ...M156 M157 M176 M177 SERVICE MANUAL APPENDICES ...
Страница 145: ...APPENDIX SPECIFICATIONS REVISION HISTORY Page Date Added Updated New None ...
Страница 154: ...ERROR MESSAGES REVISION HISTORY Page Date Added Updated New None ...