Sharp AR-5316 Service Manual page 26

Main Sub
code code
E1 82 Content Interface error (Overrun) in communication with
the IMC PWB
Detail An overrun error occurs in communication
between the MCU PWB and the IMC PWB.
Cause IMC PWB-MCU PWB harness defect
Improper connection of the MCU PWB
connector
IMC PWB ROM defect/data abnormality.
Check Check connection of the connector/harness
and between the IMC PWB and the MCU PWB.
remedy Check the ROM of the IMC PWB.
84 Content Interface error (Framing) in communication with
the IMC PWB
Detail A framing error occurs in communication
between the MCU PWB and the IMC PWB.
Cause IMC PWB-MCU PWB harness defect
Improper connection of the MCU PWB
connector
IMC PWB ROM defect/data abnormality.
Check Check connection of the connector/harness
and between the IMC PWB and the MCU PWB.
remedy Check the ROM of the IMC PWB.
E7 02 Content LSU trouble
Detail The BD signal from the LSU cannot be
detected in a certain cycle. (Always OFF or
always ON)
Cause LSU connector or LSU harness defect or
disconnection
Polygon motor rotation abnormality
Laser beams are not generated.
MCU PWB abnormality.
Check Check connection of the LSU connector.
and Execute SIM 61-03 to check the LSU
remedy operations.
Check that the polygon motor rotates normally.
Check that the laser emitting diode generates
laser beams.
Replace the LSU unit.
Replace the MCU PWB.
10 Content Shading trouble (Black correction)
Detail The CCD black scan level is abnormal when
the shading.
Cause Improper connection of the CCD unit flat cable
CCD unit abnormality
MCU PWB abnormality.
Check Check connection of the CCD unit flat cable.
and Check the CCD unit."
remedy
Details of trouble
AR-5316 TROUBLE CODE LIST 9-2
Main Sub
code code
E7 11 Content Shading trouble (White correction)
Detail The CCD white scan level is abnormal when
the shading.
Cause Improper connection of the CCD unit flat cable
Dirt on the mirror, the lens, and the reference
white plate
Copy lamp lighting abnormality
CCD unit abnormality
MCU PWB abnormality
(When occurred in the SPF scan position.)
Improper installation of the mirror unit
Check Clean the mirror, lens, and the reference white
and plate.
remedy Check the light quantity and lighting status of
the copy lamp (SIM 05-03).
Check the MCU PWB.
12 Content Shading trouble
Detail White correction is not completed in the
specified number of operations.
Cause CCD unit flat cable connection failure.
Dirt on mirrors, lenses, and the reference white
plate.
Copy lamp lighting abnormality
CCD unit abnormality
MCU PWB abnormality
Check Clean mirrors, lenses, and the reference white
and plate.
remedy Check the copy lamp light quantity (SIM 05-03)
and lighting.
Check the CCD unit.
Check the MCU PWB.
16 Content Abnormal laser output
Detail When the laser output is stopped, HSYNC is
detected.
Cause Laser abnormality
MCU PWB abnormality.
Check Check the laser emitting diode operation.
and Replace the MCU PWB. "
remedy
F2 04 Content Improper cartridge (Destination error, life cycle
error)
Detail The destination of the machine differs from that
of the CRUM.
The life cycle information is other than "Not
used (FFh)."
Cause CRUM chip defect
Improper developing unit
Check Replace the CRUM chip.
and Replace the developing unit.
remedy
Identificat The trade mark code of the CRUM differs.
ion error The company code of the CRUM differs.
Model The boot program model code does not
error coincide with the CRUM model code.
Type error When the CRUM type is other than genuine/
conversion/production rotation.
Destinatio The machine destination differs from the
n error CRUM destination.
Data When an error value is included in the initial
abnormali check information. When the max. toner supply
ty time is 00.
When the print hard stop is 00.
Misc error When the Misc information is other than "Not
used (FFh)."
Details of trouble