Epson AcuLaser C1900 Service Manual page 128

EPSON AcuLaser C1900/AcuLaser C900
ERROR CODE: E021
"TRANSFER BELT CLEANER CONTACT/RELEASE PROBLEM"
Detection Timing
When pressing or separation of the Transfer Belt Cleaner is impossible.
Solution
Electric parts which can cause the trouble:
• Cleaner Pressure Flapper Solenoid (SL4)
• Belt Cleaner Position Detect Sensor (PC9)
Engine Board (PWB-A)
•
Step Action
1 Check the operation of PC9.
2 Replace the pressing/separation
mechanism parts of the Belt
Cleaner.
3 Check the operation of SL4.
4 Replace the PWB-A.
ERROR CODE: E022 "TRANSFER BELT ROTATION PROBLEM"
Detection Timing
When the transfer belt of the Transfer Belt Unit does not operate.
Solution
Step Action
1 Replace the transfer belt unit.
Troubleshooting
Table 3-11.
WARNING DIAGRAM
Refer to
Control Signal
p.162 PC9_ON
- -
p.163 SL4_REM
- -
Table 3-12.
WARNING DIAGRAM
Refer to
Control Signal
- -
Status Display (AcuLaser C1900)
ERROR CODE: E023 "IMAGING RACK ROTATION PROBLEM"
Detection Timing
When the Toner Cartridge Rack does not turn.
Solution
Electric parts which can cause the trouble:
• Rack motor (M2)
Rack Clutch (CL1)
•
Rack Black Position Detection Sensor (PC4)
•
• Engine Board (PWB-A)
Step Action
1 Check the operation of PC4.
2 Check the operation of M2.
3 Check the operation of CL1.
4 Replace the PWB-A.
Revision B
Table 3-13.
WARNING DIAGRAM
Refer to
Control Signal
p.162 PC4_ON
p.163 CL1_REM
p.163 -
- -
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