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SHARP SERVICE MANUAL JX8200SM [11] TROUBLESHOOTING
Display 28
During printing
During diagnostics
Section
Paper pass section
Content
Paper remaining
Occurrence conditions
Paper remaining
Paper sensor, paper detector, paper jam sensor trouble
Details, causes
(The paper sensor, paper detector, and paper jam sensor signals are active immediately after turning on the
power.)
PCU PWB (paper exit detector (POUT) input circuit trouble
PCU PWB image density sensor (GAMMA) input circuit trouble
PCU PWB manual paper feed sensor (HFIN) input circuit trouble
PCU PWB separation jam detector (OHPJAM) input circuit trouble
PCU PWB cleaner section jam detector (CLJAM) input circuit trouble
PCU PWB OHP sensor (OHPIN) input circuit trouble
Paper detector (PIN) trouble
Paper exit detector (POUT) trouble
Image density sensor (GAMMA) trouble
Manual paper feed sensor (HFIN) trouble
Separation jam detector (OHPJAM) trouble
Cleaner section jam detector (CLJAM) trouble
OHP sensor (OHPIN) trouble
Remedies
Repair the PCU PWB paper detector (PIN) input circuit.
Repair the PCU PWB (paper exit detector (POUT) input circuit.
Repair the PCU PWB image density sensor (GAMMA) input circuit.
Repair the PCU PWB manual paper feed sensor (HFIN) input circuit.
Repair the PCU PWB separation jam detector (OHPJAM) input circuit.
Repair the PCU PWB cleaner section jam detector (CLJAM) input circuit.
Repair the PCU PWB OHP sensor (OHPIN) input circuit.
Replace the paper detector (PIN).
Replace the paper exit detector (POUT).
Replace the image density sensor (GAMMA).
Replace the manual paper feed sensor (HFIN).
Replace the separation jam detector (OHPJAM).
Replace the cleaner section jam detector (CLJAM).
Replace the OHP sensor (OHPIN).
Replace the PCU PWB.
Display 29
During printing
During diagnostics
Section
Paper feed section
Content
Paper feed unit paper empty (The optional paper feed unit is not installed.)
Occurrence conditions
Paper empty (standard paper feed unit)
Paper empty sensor trouble (standard paper feed unit)
Paper size sensor trouble (standard paper feed unit)
Details, causes
(The paper empty sensor signal (PE) is recognizes as HIGH.)
(The paper size sensor signals (PS1, 2) are recognized as LOW.)
Paper empty
Cassette not installed
Power unit trouble
Paper empty sensor (PE) trouble
Paper size sensor (PS1, 2) (PS0) trouble
Remedies
Repair or replace the PCU PWB (paper empty sensor signal (PE) input circuit.)
Repair or replace the PCU PWB paper size sensor signal (PS1, 2) (PS0) input circuit.
Repair or replace the power unit.
Replace the paper empty sensor (PE).
Replace the paper size sensor (PS1, 2) (PS0).
*1: During the diagnostics operation, the self diagnostics function does not work.
LED
ERROR ON
MESSAGE
PAPER JAM
(Place)
MESSAGE
*1
LED
ERROR ON
MESSAGE
PAPER OUT (UPPER)
(Type)
MESSAGE
PAPER EMPTY STD
11 – 14
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