Sharp Digital Laser Copier/Printer AR-5127 - Manual (Page 70)

AR-5127 TROUBLE CODE LIST 9 - 3
E1 84 Content IMC PWB communication trouble
(Framing)
Details Communication trouble between MCU and
IMC PWB (Framing error)
Cause IMC PWB connector disconnection
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check
and
remedy Check the connectors and harness of the
IMC PWB and MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
88 Content IMC PWB communication trouble (Time-
out)
Details Communication trouble between MCU and
IMC PWB (Time-out error)
Cause IMC PWB connector disconnection
IMC PWB MCU PWB harness failure
Motherboard connector pin breakage
IMC PWB ROM defect, data failure
Check
and
remedy Check the connectors and harness of the
IMC PWB and MCU PWB.
Check the grounding of the copier.
Check the ROM of the IMC PWB.
E7 02 Content LSU trouble
Details BD signal from LSU is not detected in a
constant cycle. (Kept OFF or ON)
Cause LSU connector or LSU inside harness
trouble or disconnection
Polygon motor rotation abnormality
Laser does not illuminate.
MCU PWB failure
Check
and
remedy Check for disconnection of the LSU
connector.
Check the LSU operation with SIM 61-1.
Check that the polygon motor rotates
normally.
Check laser LED lighting.
LSU replacement
Replace the MCU PWB.
10 Content Shading trouble (black correction)
Details CCD black reference plate scan level
abnormality when the copy lamp turns off.
Cause Flat cable installation failure to CCD unit
CCD unit error
Check
and
remedy Check flat cable installation to the CCD
unit.
Check CCD unit.
11 Content Shading trouble (white correction)
Details Improper CCD white reference plate
reading level for copy lamp lighting
Cause Flat cable installation failure to CCD unit
"Dirt on the mirror, lens, and reference
white plate"
Copy lamp operation error
CCD unit abnormality
MCU PWB abnormality (Occurred in the
SPF scan position.)
Check
and
remedy "Clean the mirror, the lens, and the
reference white plate."
Check the copy lamp light quantity and its
operation. (SIM 5-3)
Check CCD unit.
Check MCU PWB.
Trouble
code
Details of trouble
Main
code Sub
code
E7 12 Content Shading trouble
Details White correction is not completed in the
specified number of times.
Cause Flat cable installation failure to CCD unit
"Dirt on the mirror, lens, and reference
white plate"
Copy lamp lighting trouble
CCD unit abnormality
MCU PWB abnormality
Check
and
remedy "Clean the mirror, the lens, and the
reference white plate."
Check the copy lamp light quantity and its
operation. (SIM 5-3)
Check CCD unit.
Check MCU PWB.
F1 00 Content Finisher communication trouble
Details Communication line test error occurs when
power is turned on or after the exit of a
simulation mode.
Error in Finisher communication
Cause Connection trouble or disconnection of the
connector and harness between the body
and the finisher.
Finisher control PWB trouble
Control PWB failure
Malfunction by noises
Check
and
remedy Turn off/of the power to cancel the trouble.
Check connector/harness of
communication line
Replace the finisher control PWB.
01 Content Side guide plated home position error
Details The side guide plate cannot return to the
home position.
Cause Side guide plate drive motor abnormality
Side guide plate home position sensor
abnormality
Check
and
remedy Use SIM3-3-1 to check the side guide
plate motor operation.
06 Content Offset motor trouble
Details When the offset motor of the finisher is
driven it does not reach the specified
position.
Cause Offset motor abnormality
Offset motor origin sensor abnormality
Finisher PWB abnormality
Check
and
remedy Use SIM 3-3-6 to check the offset motor
operation.
08 Content Staple motor error
Details The staple motor cannot return to the
home position.
Cause Staple motor abnormality
Staple motor home position sensor
abnormality
Staple unit abnormality
Check
and
remedy Use SIM 3-3-7 to check the staple motor
operation.
Trouble
code
Details of trouble
Main
code Sub
code