Sharp MX-4100N Service Manual page 294

C4-03 PTC heater short trouble
Trouble content
Detail PCU
Cause PTC unit trouble.
PCU PWB trouble.
Connector, harness connection trouble.
Check & Remedy Replace the PTC unit.
Replace the PCU PWB.
Check connection of the connector and the harness.
NOTE:
When the PTC unit is broken down and repair cannot
be made because of no replacement part:
To use the machine continuously, make the setting to
ignore the PTC trouble, and the machine can be
operated tentatively.
Set the engine soft SW8-3 in SIM55-1 to "1".
This setting disables the PTC output, the heater
control, and the error detection.
After completion of repair, set the engine soft SW8-3
in SIM55-1 to "0".
C4-10 PTC no control
Trouble content
Detail PCU
Cause The engine soft SW8-3 in SIM55-1 is set to "1".
The PTC control is not executed. (The PTC does not
operate.)
When the engine soft SW8-3 in SIM55-1 is set to
"1", the PTC output, the heater control, and the error
detection are disabled. When this setting is made in
case of a PTC unit trouble, the PTC function is
disabled regardless of the PTC trouble and printing
operation can be performed.
Check & Remedy Set the engine soft SW8-3 in SIM55-1 to "0".
(The mode returns to the normal PTC control mode.)
E6-10 Shading error (Black correction)
Trouble content
Detail SCU
Cause Installation error of the CCD unit harness.
CCD unit trouble.
DSPF PWB trouble.
Check and remedy Check the installing state of the harness to the CCD
unit.
Check the CCD unit.
Check the DSPF PWB.
E6-11 Shading error (White correction)
Trouble content
Detail SCU
Cause Installation error of the CCD unit harness.
Copy lamp lighting trouble.
Dirt on the mirror, the lens, or the reference white
plate.
CCD unit trouble.
DSPF PWB trouble.
Shading SIM not executed / Shading ROM
abnormality.
Check and remedy Check the installing state of the harness the CCD
unit.
Check the installing state of the harness to the copy
lamp unit.
Clean the mirror, the lens, or the reference white
plate.
Check the CCD unit.
Check the DSPF PWB.
MX-5001N SELF DIAG AND TROUBLE CODE 7 – 8
E6-14 CCD-ASIC error
Trouble content
Detail SCU
Cause DSPF PWB trouble.
Check and remedy Check the DSPF PWB.
E7-01 MFP image data error
Trouble content
Detail MFP
Cause Image data transfer error in the MFP PWB.
MFP PWB trouble.
Check & Remedy Check connection of the connector and the harness
of the MFP PWB.
Replace the MFP PWB.
E7-03 HDD trouble
Trouble content
Detail MFP
Cause Connector, harness connection trouble in the MFP
PWB and HDD.
HDD (error file management area) data abnormality
(FAT breakage).
MFP PWB trouble.
Check & Remedy Check connection of the connector and the harness
of the MFP PWB and HDD.
Use SIM62-2,3 to check read/write operations of the
HDD.
Replace the HDD.
Replace the MFP PWB.
E7-04 HDD-ASIC error
Trouble content
Detail MFP
Cause HDD-ASIC trouble.
An error occurs in the HDD-ASIC self test when
booting.
Check & Remedy Replace the MFP PWB.
E7-05 Standard/Extension memory R/W
error (MFP PWB)
Trouble content Memory access is disabled.
Detail MFP
Cause Improper insertion of the memory.
Garbled memory data.
The memory capacity is not the specified level.
Check & Remedy Check insertion of the memory.
Use SIM60-1 to check the read/write operations of
the memory.
Replace the expansion memory.
Replace the MFP PWB.
E7-06 Image data decode error
Trouble content
Detail MFP
Cause Compressed image data abnormality.
HDD connection trouble when HDD is installed.
Image data compression/transfer data garble.
MFP PWB trouble.
Check & Remedy If the job at an occurrence of an error is a FAX job,
check the FAX PWB.
Check connection of the MFPC PWB and the HDD.
Replace the MFPC PWB.