Periodic Defective Image
G186 4-30 SM
4.6 PERIODIC DEFECTIVE IMAGE
If defective images regularly occur in print-outs, it may be due to a defective or damaged
roller.
Refer to the table below and check the condition of the roller.
No
Roller
Defective image
Typical defect
1
OPC Drum
95 mm
White spot on black image or black
spot, image ghost
2
Charge Roller
38 mm
Black spot
3
Supply Roller
45 mm
Light or dark horizontal image band
4
Developing Roller
43 mm
Horizontal image band, image ghost
5
Transfer Roller
55 mm
Image ghost
6
Heat Roller
126 mm
Black spot and image ghost
7
Pressure Roller
126 mm
Black spot on the backside
g186t519
OPC Drum
Charge Roller
Supply Roller
Developing Roller
Transfer Roller
Heat Roller
Pressure Roller
1
2
3
4
5
6
7
Summary of Contents for Aficio SP 5100N
Page 1: ...G186 SERVICE MANUAL 003108MIU...
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Page 3: ...G186 SERVICE MANUAL...
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Page 5: ...G186 SERVICE MANUAL 003108MIU...
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Page 27: ...INSTALLATION...
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Page 31: ...PREVENTIVE MAINTENANCE...
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Page 35: ...REPLACEMENT AND ADJUSTMENT...
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Page 85: ...TROUBLESHOOTING...
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Page 117: ...SERVICE TABLES...
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Page 137: ...DETAILED SECTION DESCRIPTIONS...
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Page 157: ...SPECIFICATIONS...
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Page 163: ...APPENDIX...
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Page 165: ...Block Diagram SM 8 1 G186 Appendix 8 APPENDIX 8 1 BLOCK DIAGRAM 8 1 1 SYSTEM BLOCK DIAGRAM...
Page 166: ...Block Diagram G186 8 2 SM...
Page 167: ...Connection Diagram SM 8 3 G186 Appendix 8 2 CONNECTION DIAGRAM...