Sharp JX-8200 Service Manual page 112

SHARP SERVICE MANUAL JX8200SM [11] TROUBLESHOOTING
Display 30
During printing
During diagnostics
Section Option paper feed section
Content Optional paper feed unit paper empty
(With the optional paper feed unit installed)
Occurrence conditions Paper empty (Optional paper feed unit)
Paper empty sensor trouble (Optional paper feed unit)
Paper size sensor trouble (Optional paper feed unit)
Details, causes (The paper empty sensor signal (EX PE) is recognized as HIGH.)
(The paper size sensor signals (EXPS1, 2) are recognized as HIGH and EXPS0 as LOW.)
Paper empty
Cassette not installed
Power unit trouble
Paper empty sensor (EX, PE) trouble
Paper size sensor (EXPS1,2) (EXPS0) trouble
Remedies Repair or replace the PCU PWB paper empty sensor signal (EX PE) input circuit.
Repair or replace the PCU PWB paper size sensor signal (EXPS1,2) (EXPS0) input circuit.
Repair or replace the power unit.
Replace the paper empty sensor (EX PE).
Replace the paper size sensor (EXPS1,2) (EXPS0).
Display 31
During printing
During diagnostics
Section Paper feed/Optional paper feed section
Content Paper empty either both in the standard paper feed unit and in the optional paper feed unit
(With the optional paper feed unit installed)
Occurrence conditions Same as Paper out LOW/UPPER.
Details, causes Same as Paper out LOW/UPPER.
Remedies Same as Paper out LOW/UPPER.
Display 32
During printing
During diagnostics
Section Photoconductor section
Content The photoconductor drum unit approaches the life.
Occurrence conditions Photoconductor drum unit life warning
Details, causes Photoconductor unit usage reaches 49000 prints. (90% of life)
Remedies Photoconductor unit spare preparation
Display 33
During printing
During diagnostics
Section Black developing section
Content The black developing unit approaches the life.
Occurrence conditions Black developing unit life warning
Details, causes The black developing unit usage reaches 49000 prints (life).
Remedies Black developing unit spare preparation (90% of life)
*1: During the diagnostics operation, the self diagnostics function does not work.
LED ERROR ON
MESSAGE PAPER OUT (LOWER)
(Type)
MESSAGE PAPER EMPTY OPT
LED ERROR ON
MESSAGE PAPER OUT (BOTH)
(Type)
*1
MESSAGE
LED SUPPLY ON
LINE ON
NEAR END NEAR END DRUM
(Supply)
*1
MESSAGE
LED SUPPLY ON
LINE ON
NEAR END NEAR END BKDEV
(Supply)
*1
MESSAGE
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