Sharp MX-M200D Service Manual page 81

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code code
E1 82 Content Interface error in communication with IMC
PWB (Overrun).
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 in communication with IMC
PWB (Framing).
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 01 Content Duplex model memory error.
Detail The memory capacity for the duplex model
machine is improper.
Insufficient memory capacity.
Cause The memory capacity of the MCU PWB is
improper.
Check Use SIM 26-39 to check that the memory
and capacity is 32MB. If it is not 32MB, replace the
remedy MCU PWB with a suitable one.
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
MX-M200D 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 02 Content Toner supply abnormality
Detail When toner near end is detected with the toner
supply time of 50% or less.
When the toner supply time exceeds 300%.
Cause ATC sensor abnormality
Toner supply abnormality
Check Replace the toner cartridge.
and Replace the developing unit.
remedy
Details of trouble