Epson AcuLaser C1900 Service Manual page 147

EPSON AcuLaser C1900/AcuLaser C900
ERROR CODE: 6020
"SECONDARY TRANSFER ROLLER PRESSING/SEPARATION ERROR"
Detection Timing
When pressing or separation of the Secondary Transfer Roller is impossible.
Solution
Electric parts which can cause the trouble:
• Transfer Roller Pressure Solenoid (SL2)
• Transfer Roller Pressure Position Detection Sensor (PC7)
Engine Board (PWB-A)
•
Step Action
1 Check the operation of PC7.
2 Replace the pressing/separation
mechanism parts of the Secondary
Transfer Roller.
3 Check the operation of SL2.
4 Replace the PWB-A.
Troubleshooting
Table 3-28.
WARNING DIAGRAM
Refer to
Control Signal
p.162 PC7_ON
- -
p.163 SL2_REM
- -
Status Display (AcuLaser C900)
ERROR CODE: 6021 "TRANSFER BELT CLEANER CLEARANCE ERROR"
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: 6022 "TRANSFER BELT ROTATION ERROR"
Detection Timing
When the transfer belt of the Intermediate Transfer Belt Unit does not operate.
Solution
Step Action
1 Replace the transfer belt unit.
Revision B
Table 3-29.
WARNING DIAGRAM
Refer to
Control Signal
p.162 PC9_ON
- -
p.163 SL4_REM
- -
Table 3-30.
WARNING DIAGRAM
Refer to
Control Signal
- -
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