7-12
Troubleshooting
>
Image formation problems
[CONFIDENTIAL]
(1-9)Uneven density horizontally
Print example
Cause of trouble
1. Defective laser scanner unit.
2. Improper charging roller rotation.
1 Improper contact on the developer unit terminals.
Defective part
Check description
Corrective Action
1
LSU
Check the emission of laser is even. Replace the LSU.
2
Charging roller
Check if the charing roller is improp-
erly mounted.
1. Fix the charging roller properly.
2. Replace the charging roller.
3
Developer unit
Check If the connecting terminals of
the developer bias is contaminated
by toner.
1. If the connecting terminals is dirty.
2. Replace the developer unit.
4
Transfer roller unit.
1. Check if the transfer roller is
contaminated on its surface or
damaged.
1. Replace the transfer roller unit.
2. Check if the connecting termi-
nals of high voltage are dirty or
deformed.
1. If the connector or terminals are dirty, clean.If
the connecting terminals are deformed, correct
for a proper conduction.
2. Replace the high voltage PWB.
5
Fuser unit
Check that the roller, its driving unit,
or the fusing pressure release
mechanism is deformed, abraded,
or damaged.
If the roller, its driving unit, or the fusing pressure
release mechanism is deformed, abraded, or dam-
aged, replace the fuser unit.
Summary of Contents for CA-3100
Page 118: ...4 20 Maintenance Assembly and disassembly a d c f e e c ...
Page 131: ...4 33 Maintenance Assembly and disassembly a b c c d c ...
Page 134: ...4 36 Maintenance Assembly and disassembly c b a b ...
Page 146: ...4 48 Maintenance Assembly and disassembly Optional items a b c d ...
Page 148: ...4 50 Maintenance Assembly and disassembly Optional items a b c ...
Page 271: ... CONFIDENTIAL 2 IB 51 IB 51 Wireless Interface INSTALLATION GUIDE ...
Page 274: ...付録 Installation guide CONFIDENTIAL 3 IB 32B IB 32B IEEE1284 Interface INSTALLATION GUIDE ...
Page 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 ...
Page 283: ... Installation guide 6 HD 6 HD 7 HD 6 HD 7 INSTALLATION GUIDE ...
Page 285: ... Installation guide 7 CA 3100 CA 3100 INSTALLATION GUIDE ...