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Trouble Code List - Sharp AR-5520 Service Manual

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Table of Contents

[9]TROUBLE CODE LIST

1.Trouble code list
Main code
Sub
code
E7
01
Duplex model memory error/ Image data error
02
LSU trouble
06
Image data decode error
10
Shading trouble (Black correction)
11
Shading trouble (White correction)
16
Abnormal laser output
F2
02
Toner supply abnormality
04
Improper cartridge (destination error, life cycle
error)
Identification error
Model error
Type error
Destination error
Data abnormality
Misc error
40
ATC sensor abnormality
F5
02
Copy lamp lighting abnormality
H2
00
Thermistor open
H3
00
Heat roller high temperature detection
H4
00
Heat roller low temperature detection
H5
01
5 continuous POUT not-reached error
L1
00
Scanner feed trouble
L3
00
Scanner return trouble
L4
01
Main motor lock detection
31
Fusing FAN lock detection
32
PSFAN lock detection
L6
10
Polygon motor lock detection
U2
04
EEPROM read/write error (serial communication
error)
11
Counter check sum error (EEPROM)
12
Adjustment value check sum error (EEPROM)
40
CRUM chip communication error
--
Auditor NOT READY
CH ON
None Side door open
CH Blink
None Developing cartridge not installed
Content
AR-5520 TROUBLE CODE LIST 9-1
2.Details of trouble codes
Main
Sub
code
code
E7
01
Content
Duplex model memory error/ Image data error
Detail
1. The memory capacity for the duplex model
machine is wrong. Insufficient memory
capacity.
2. Duplex setting is set for a single surface
model.
Cause
1. The memory capacity on the MCU PWB is
wrong.
2. Setting for a single surface model is wrong.
Check
1. Use SIM26-39 to check to confirm that the
and
memory capacity is 64MB. If it is not 64MB,
remedy
replace the MCU PWB.
2. If SIM26-04 is set to 1, change the setting to
0. If it is 0, replace the MCU PWB.
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.
06
Content
Image data decode error
Detail
Image expansion error
Cause
MCU PWB abnormality
USB cable trouble
Check
Replace the MCU PWB.
and
Replace the USB cable.
remedy
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
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, the lens, and the reference
and
white plate.
remedy
Check lighting and the light quantity of the copy
lamp (SIM05-03).
Check the CCD unit.
Check the MCU PWB.
Details of trouble

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