Display 7
LED
All LEDs are blink
During printing
MESSAGE
SERVICE (C7)
During diagnostics
MESSAGE
MAIN MOTOR ERROR
Section
OPC drum section
Transfer drum section
Drive section
PCU PWB
Content
OPC drum/transfer drum motor trouble
Occurrence conditions
OPC drum/transfer drum drive system trouble (motor)
Details, causes
(Transfer drum home position sensor signal (TDPOS) is not recognized for 6 sec.)
The OPC drum/transfer drum motor does not reach the specified rpm. (Rotation trouble)
PCU PWB transfer drum home position sensor signal (TDPOS) input circuit trouble
Transfer drum/OPC drum drive system trouble
OPC drum/transfer drum motor trouble
Transfer drum home position trouble
Remedies
Replace the OPC drum/transfer drum motor.
Repair the PCU PWB transfer drum home position sensor signal (TDPOS) input circuit.
Replace the transfer drum home position sensor.
Replace the cabinet lock switch.
Repair the drive system.
Replace the drive system.
Replace the OPC drum/transfer drum motor.
Replace the PCU PWB.
Display 8
LED
All LEDs are blink
During printing
MESSAGE
SERVICE (P1)
During diagnostics
MESSAGE
*
1
Section
PCU PWB
Content
PCU ROM check sum trouble
Occurrence conditions
ROM trouble (CPU)
Details, causes
ROM trouble (CPU)
Remedies
Replace the CPU.
Replace the PCU PWB.
Display 9
LED
All LEDs are blink
During printing
MESSAGE
SERVICE (P2)
During diagnostics
MESSAGE
*
1
Section
PCU PWB
Content
PCU PWB PCU RAM read/write trouble
Occurrence conditions
CPU RAM trouble
Details, causes
CPU RAM trouble
Remedies
Replace the CPU.
Replace the PCU PWB.
Display 10
LED
All LEDs are blink
During printing
MESSAGE
SERVICE (P3)
During diagnostics
MESSAGE
*
1
Section
PCU PWB
Content
Non volatile RAM read trouble
Occurrence conditions
NV-RAM trouble
Details, causes
NV-RAM trouble
Remedies
Replace the NV-RAM.
Replace the PCU PWB.
*
1: During the diagnostics operation, the self diagnostics function does not work.
Within 6sec.
TDPOS
SHARP SERVICE MANUAL JX8200SM [11] TROUBLESHOOTING
11 – 5
Содержание JX-8200
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