Specifications

MX-3610N TROUBLESHOOTING 6 – 24
F2-93 High density process control high
voltage error (M)
F2-94 High density process control high
voltage error (Y)
F3-12 Paper feed tray 1 lift operation trouble
F3-22 Paper feed tray 2 lift operation trouble
F6-00 MFPC PWB - FAX communication
trouble
F6-01 FAX control PWB EEPROM read/write
error
F6-04 FAX MODEM operation trouble
F6-21 Improper combination of TEL/LIU
PWB and FAX soft switch
F6-30 FAX 1-chip microprocessor access
error (FAX detection)
Trouble content For the production process (Not occur in the market.)
Detail PCU
Cause —
Check & Remedy —
Trouble content For the production process (Not occur in the market.)
Detail PCU
Cause —
Check & Remedy —
Trouble content
Detail PCU
Cause LUD1 is not turned ON within the specified time.
CLUD1 sensor trouble.
Paper feed tray 1 lift unit trouble.
PCU PWB trouble.
Sensor harness and connector connection trouble
Check & Remedy Check connection of the harness and the connector
of LUD1.
Replace the lift-up unit.
Replace the PCU PWB.
Trouble content LUD2 does not turn ON within the specified time.
Detail PCU
Cause LUD2 does not turn ON within the specified time.
CLUD2 sensor trouble.
Paper feed tray 2 lift unit trouble.
PCU PWB trouble.
Sensor harness and connector connection trouble
Check & Remedy Check the harness and the connector of LUD2.
Replace the lift-up unit.
Replace the PCU PWB.
Trouble content MFP - FAX communication establishment error /
Framing / Parity / Protocol error
Section MFP
Case 1 Cause FAX control PWB trouble.
Check
and
Remedy
Replace the FAX control PWB.
Case 2 Cause FAX control PWB - MFPC PWB connector and
harness trouble
Check
and
Remedy
Check the connector and the harness between the
FAX control PWB and the MFPC PWB.
Case 3 Cause FAX control PWB - Mother board connector and
harness trouble
Check
and
Remedy
Check the connector and the harness between the
FAX control PWB and the mother board.
Case 4 Cause FAX control PWB ROM trouble / ROM pin breakage
Check
and
Remedy
Check the ROM of the FAX control PWB.
Trouble content FAX control PWB EEPROM access error (Read and
write)
Section FAX
Case 1 Cause FAX control PWB EEPROM trouble
Check
and
Remedy
Check that no trouble occurs after replacement of
EEPROM. Execute the memory check of SIM66-3 to
insure that EEPROM can be accessed.
Case 2 Cause FAX control PWB EEPROM access circuit trouble
Check
and
Remedy
Replace the FAX control PWB.
Trouble content FAX control PWB MODEM chip operation trouble
Section FAX
Case 1 Cause FAX MODEM chip operation trouble.
Check
and
remedy
Replace the FAX control PWB.
Case 2 Cause The FAX MODEM chip cannot be accessed.
Check
and
Remedy
Replace the FAX control PWB.
Trouble content Incompatibility between the TEL/LIU PWB and the
FAX control PWB information (soft switch)
Section MFP
Case 1 Cause The destination of the TEL/LIU PWB installed is
improper.
Check
and
Remedy
Check the destination of the TEL/LIU PWB.
Case 2 Cause TEL/LIU PWB trouble.
Check
and
Remedy
Replace the TEL/LIU PWB.
Trouble content FAX 1-chip microprocessor access error (Read and
write)
Section MFP
Case 1 Cause Program writing trouble to the 1-chip microprocessor,
or no program data written.
Check
and
Remedy
Use SIM66-42 to rewrite the 1-chip microprocessor
program.
Case 2 Cause FAX 1-chip microprocessor circuit trouble.
Check
and
Remedy
Replace the FAX control PWB.