Specifications

MX-3610N TROUBLESHOOTING 6 – 34
U6-21 LCC transport motor trouble
U6-22 LCC 24V power trouble
U6-50 Desk - Main unit combination trouble
U6-51 LCC - Main unit combination trouble
U6-52 PCU PWB - Paper feed desk (paper
feed tray 2) communication trouble
U7-50 MFPC PWB - Vendor machine
communication error
U7-51 Vendor machine error
UC-02 CPT - ASIC error
UC-20 DOCC ASIC error
Trouble content No variation in the motor rotation sensor signal
(encoder sign) is detected within the specified time
after booting or stopping the LCC transport motor.
Detail PCU
Cause LCC transport motor rotation sensor trouble
LCC control PWB trouble
LCC paper transport mechanism trouble
LCC paper transport motor trouble
Check & Remedy Use SIM4-3 to check the operation of the LCC
transport motor.
Check the LCC transport motor rotation sensor, and
replace if necessary.
Check the LCC control PWB, and replace if
necessary.
Check the LCC paper transport mechanism, and
replace if necessary.
Check the LCC transport motor, and replace if
necessary.
Trouble content The power voltage of DC24V is not supplied to the
LCC unit.
Detail PCU
Cause Connection trouble of the harness and the connector
between the machine and the LCC and those of the
LCC control PWB.
LCC control PWB trouble
Machine power unit trouble
Check & Remedy Check the connection of the harness and the
connector between the machine and the LCC and
those of the LCC control PWB, and replace if
necessary.
Check the LCC control PWB, and replace if
necessary.
Check the machine power unit, and replace if
necessary.
Trouble content
Detail PCU
Cause Improper combination between the main unit and the
desk.
Desk control PWB trouble.
Check & Remedy Install a desk which is proper for the main unit mode.
Replace the desk control PWB.
Trouble content An LCC of a different model which is not supported by
the machine is installed. (Improper combination of the
machine and the LCC model code.)
Detail PCU
Cause LCC control PWB trouble
PCU PWB trouble
Check & Remedy Check to confirm the LCC model.
Check the LCC control PWB, and replace if necessary.
Check the PCU PWB, and replace if necessary.
Trouble content Paper feed tray 2 (desk unit) is not recognized.
Detail PCU
Cause Connection failure between the machine and paper
feed tray 2 (desk unit)
PCU PWB trouble.
Check & Remedy Check connection of the connector and the harness.
Replace the PCU PWB.
Trouble content Communication error between the MFP and the serial
vendor.
Detail MFP
Cause Improper setting of the vendor machine specifications
(SIM26-3).
Vendor machine trouble.
MFPC PWB trouble.
Connector, harness connection trouble.
Strong external noises.
Check & Remedy Cancel the error by turning OFF/ON the power.
Check the connector and the harness in the
communication line.
Change the specifications of the vendor machine
(SIM26-3).
Replace the MFPC PWB.
Trouble content
Detail MFP (Notification of a trouble from the serial vendor)
Cause Serial vendor machine trouble.
Connector, harness connection trouble.
Check & Remedy Err.XX is displayed on the operation panel of the
vendor. (XX is the detail code.)
Repair the vendor machine referring to the detail code.
Check the connector and the harness in the
communication line.
Trouble content
Detail SCU
Cause SCU PWB trouble. (CPT-ASIC trouble.)
Check & Remedy Replace the SCU PWB.
Trouble content
Detail SCU
Cause SCU PWB trouble. (DOCC-ASIC trouble.)
Check & Remedy Replace the SCU PWB.