Sharp JX-8200 Service Manual page 113

SHARP SERVICE MANUAL JX8200SM [11] TROUBLESHOOTING
Display 34
During printing
During diagnostics
Section Color developing section
Content The color developing unit approaches the life.
Occurrence conditions Color developing unit life warning
Details, causes The black developing unit usage approaches 27000 prints (90% of life).
Remedies Developing unit spare preparation (90% of life)
Display 35
During printing
During diagnostics
Section Fusing section
Content The fusing oil approaches the life.
Occurrence conditions Oil empty
Oil sensor trouble
Fusing unit trouble
Details, causes (The oil sensor signal OILSN is recognized as HIGH.)
PCU PWB oil sensor signal input circuit trouble
Oil sensor trouble
Oil sensor dirt
Oil tank dirt
Interface PWB trouble
Fusing unit oil sensor signal line connector disconnection
Remedies Supply oil.
Repair the PCU PWB oil sensor signal input circuit.
Replace the oil sensor.
Clean the oil sensor.
Clean the oil tank.
Replace the interface PWB.
Repair or replace the fusing unit connector.
Display 36
During printing
During diag
Section ICU PWB
Content ICU PWB/CPU operation trouble
Generating condition ICU PWB/CPU operation trouble
Details, cause ICU PWB/CPU trouble
Removal, process ICU PWB repair/replacement
ICU PWB(CPU) replacement
Display 37
During printing
During diag
Section ICU PWB
Content ICU PWB/ROM check sum trouble
Generating condition ICU PWB/ROM operation trouble
Details, cause ICU PWB/ROM trouble
Removal, process ICU PWB repair/replacement
ICU PWB (ROM) replacement
*1: During the diagnostics operation, the self diagnostics function does not work.
LED SUPPLY ON
LINE ON
NEAR END NEAR END COLDEV
(Supply)
*1
MESSAGE
LED SUPPLY ON
LINE ON
NEAR END NEAR END OIL
(Supply)
*1
MESSAGE
LED All LED's blink.
Message SERVICE (S1)
Message
LED All LED's blink.
Message SERVICE (S2)
Message
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