Table of Contents
Advertisement
SHARP SERVICE MANUAL JX8200SM [11] TROUBLESHOOTING
Display 21
During printing
During diagnostics
Section
Interlock switch section
Content
Opening section (cabinet) open
Occurrence conditions
The opening section (cabinet) is opened to turn off the lock switch.
Opening section (cabinet) lock switch trouble
Details, causes
(The opening section (cabinet) lock switch signal is inactive.)
PCU PWB cabinet open/close switch signal (DOP) input circuit trouble
Power supply unit trouble
Cabinet lock switch (+24V) trouble
Remedies
Replace the opening section (cabinet) lock switch (+24V).
Repair the PCU PWB cabinet open/close switch signal (DOP) input circuit.
Repair or replace the power supply unit.
Replace the PCU PWB.
Display 22
During printing
During diagnostics
Section
Fusing section
Content
Fusing paper jam
Paper exit paper jam
Occurrence conditions
Paper jam in the fusing section
Paper jam in the paper exit section
Trouble in the paper exit detector (POUT)
Details, causes
(The paper exit detector signal (POUT) is not recognized within 4 sec from outputting the separation pawl ON
signal (PSAS).)
(The paper exit detector is kept active for 8.5sec.)
Paper exit detector (POUT) trouble
PCU PWB paper exit detector signal input circuit trouble
Separation pawl, separation solenoid operation trouble
PCU PWB separation pawl control circuit trouble
Fusing roller trouble (dirt, damage)
Excessive adhesion of oil on the fusing roller
Paper exit roller trouble (dirt, damage)
Paper exit section paper guide trouble (dirt, damage)
Interface PWB trouble
Remedies
Repair the PCU PWB paper exit sensor signal input circuit.
Repair the PCU PWB paper exit detector signal (POUT) input circuit.
Clean or replace the fusing unit.
Clean or replace the paper exit roller.
Clean or replace the paper exit section paper guide.
Repair the PCU PWB separation pawl control circuit.
Replace the separation mechanism parts.
Repair the PCU PWB separation pawl control circuit.
Repair or replace the interface PWB.
Replace the paper exit detector.
Replace the PCU PWB.
Replace the fusing motor.
Repair the PCU PWB fusing motor control circuit.
*1: During the diagnostics operation, the self diagnostics function does not work.
LED
ERROR ON
MESSAGE
COVER OPEN
MESSAGE
PRINTER OPEN
LED
ERROR ON
MESSAGE
PAPER JAM
(Place)
MESSAGE
PAPER JAM FUSER
Within 4sec.
PSAS
POUT
GAMMA
11 – 9
Within 8.5sec.
The paper lead edge
is not sensed.
Advertisement
Table of Contents
