7-13
Troubleshooting
>
Image formation problems
[CONFIDENTIAL]
(1-10)Black dots appear on the image
Print example
Cause of trouble
1. Dirty charging roller
2. Flawed or dirty drum unit
1 Damaged or paper dust bitten cleaning blade
Defective part
Check description
Corrective Action
1
Drum unit
Check the print image on paper has
a problem at an interval equivalent
to the circumference of the drum
(94.2mm).
If the drum has scratches, replace the drum unit.
2
Charging roller
Check the print image on paper has
a problem at an interval equivalent
to the circumference of the charging
roller (29.9mm).
A problem is observed at a constant interval of the
charging roller (29.9 mm), replace the charging
roller.
3
Developer unit
Check the print image on paper has
a problem at an interval equivalent
to the circumference of the develop-
ing roller (44.9mm).
1. If the print image on paper has a problem at an
interval equivalent to the circumference of the
developer roller, clean the developer unit.
2. Replace the developer unit.
4
Transfer roller unit.
1. Check if the transfer roller is
contaminated on its surface or
damaged.
Replace the transfer roller unit.
5
Fuser unit
Check the print image on paper has
a problem at an interval equivalent
to the circumference of the fuser
roller.
1. If the print image has a problem, clean the fuser
roller.
2. If cleaning does not help improve the symptom,
replace the fuser unit.
Check the fuser temperature
Change fixing temperature with service setting
(System Menu > Adjustment/Maintenance > Ser-
vice setting).Chenge the setting value to 2.
Содержание CA-3100
Страница 118: ...4 20 Maintenance Assembly and disassembly a d c f e e c ...
Страница 131: ...4 33 Maintenance Assembly and disassembly a b c c d c ...
Страница 134: ...4 36 Maintenance Assembly and disassembly c b a b ...
Страница 146: ...4 48 Maintenance Assembly and disassembly Optional items a b c d ...
Страница 148: ...4 50 Maintenance Assembly and disassembly Optional items a b c ...
Страница 243: ...8 16 PWBs Description for PWB CONFIDENTIAL 5 Operation PWB 5 1 PWB photograph 5 2 Connector position YC1 1 12 YC2 1 2 ...
Страница 268: ...付録 Installation guide CONFIDENTIAL 9 5 Installation guide 1 IB 50 IB 50 Network interface INSTALLATION GUIDE ...
Страница 271: ... CONFIDENTIAL 2 IB 51 IB 51 Wireless Interface INSTALLATION GUIDE ...
Страница 274: ...付録 Installation guide CONFIDENTIAL 3 IB 32B IB 32B IEEE1284 Interface INSTALLATION GUIDE ...
Страница 277: ...付録 Installation guide CONFIDENTIAL 4 PF 3110 PF 3110 500 sheet 1 Paper feeder INSTALLATION GUIDE ...
Страница 278: ... CONFIDENTIAL PF 3110 PF 3110 PF 3110 PF 3110 PF 3110 PF 3110 For Canada CAN ICES 3B NMB 3B 1 2 ...
Страница 279: ... CONFIDENTIAL Printed in China 303SA5614001 First edition 2017 11 For Legal Folio OficioII 1 1 1 1 2 2 2 2 ...
Страница 280: ...付録 Installation guide CONFIDENTIAL 5 PF 3100 PF 3100 2000 sheets 1 bulk feeder INSTALLATION GUIDE ...
Страница 282: ... CONFIDENTIAL 3 5 6 4 1 2 1 2 3 1mm 㟝㫴G㤵㣠 1 2 㛅 G㣙㾌 PF 3100 㦹㢨G㣰G㥐ᶤ ...
Страница 283: ... Installation guide 6 HD 6 HD 7 HD 6 HD 7 INSTALLATION GUIDE ...
Страница 285: ... Installation guide 7 CA 3100 CA 3100 INSTALLATION GUIDE ...
Страница 287: ... CONFIDENTIAL B 6 B 7 B 8 b c b c b c b c B 9 d d d c d c d c B 4 B 5 c b c b b c d c b c d c d d ...