Table of Contents
Advertisement
SHARP SERVICE MANUAL JX8200SM [11] TROUBLESHOOTING
Display 23
During printing
During diagnostics
Section
Transfer drum section
Content
Paper jam in the transfer drum section
Occurrence conditions
Paper is not separated from the transfer drum.
Paper is not transported to the fusing section after separation.
Paper jam in the transfer drum cleaner section.
Paper absorption trouble
Cleaner jam detector trouble
Separation jam detector trouble
Image density sensor trouble
Paper is not curled.
Transfer drum cleaner trouble
Details, causes
(The image density sensor does not recognize paper presence within 3.77 sec after outputting the transfer drum
home position sensor signal (TDPOS) in transfer operation.)
(The image density sensor detects paper in 4 sec after outputting the separation pawl ON signal (PSAS).)
(The separation jam detector becomes active.)
(The cleaner jam detector becomes active.)
PCU PWB image density sensor signal (GAMMA) input circuit trouble
PCU PWB separation jam detector signal (OHPJAM) input circuit trouble
Separation pawl, separation solenoid operation trouble
PCU PWB separation pawl control circuit trouble
Interface PWB trouble
PCU PWB cleaner jam detector signal (CLJAM) input circuit trouble
Cleaner jam detector trouble
Separation jam detector trouble
Image density sensor trouble
Foreign material adhesion on the transfer drum
Charger roller trouble (dirt, damage)
Transfer drum trouble (dirt, damage, foreign material)
Transfer charger power (high voltage power unit) trouble
PCU PWB transfer charger control circuit trouble
Lift mechanism section trouble
Lift clutch trouble
PCU PWB lift clutch control circuit trouble
Transfer charger electrode trouble
Charger roller trouble (dirt, damage)
PCU PWB transfer charger control circuit trouble
Transfer drum cleaner trouble
Transfer drum cleaner clutch trouble
PCU PWB transfer drum cleaner clutch control circuit trouble
Remedies
Repair the PCU PWB separation control circuit.
Replace the separation pawl mechanism parts.
Replace the interface PWB.
Repair the PCU PWB image density sensor signal (GAMMA) input circuit. Repair the PCU PWB separation jam
detector signal (OHPJAM) input circuit.
Repair the PCU PWB separation pawl control circuit.
Repair the PCU PWB cleaner jam detector signal (CLJAM) input circuit. Replace the image density sensor.
Replace the separation jam detector.
Replace the paper exit detector.
Replace the cleaner jam detector.
Clean or replace the transfer drum.
Clean or replace the charger roller.
Replace the high voltage power unit.
Repair the PCU PWB transfer charger control circuit. Repair the lift mechanism. Replace the parts.
Repair the PCU PWB lift clutch control circuit.
Repair the transfer charger power electrode section and replace the parts.
Repair the PCU PWB transfer charger control circuit.
Replace the lift clutch.
Replace the PCU PWB.
Transfer drum cleaner mechanism trouble
Replace the transfer drum cleaner clutch.
Repair the PCU PWB transfer drum cleaner clutch control circuit.
LED
MESSAGE
MESSAGE
5.174sec.
TDPOS
Must be HIGH in 3.377sec.(Except for OHP)
GAMMA
11 – 10
ERROR ON
PAPER JAM
(Place)
PAPER JAM DRUM
Advertisement
Table of Contents
