Code :

Code: U2-60
Description: Watermark check error
Causes: Watermark data trouble mSATA SSD trouble SCN-MFP PWB trouble
Remedy: Use SIM16 to cancel the U2 trouble. Use SIM49-5 to install the watermark data. Replace the mSATA SSD. Replace the SCN-MFP PWB. (Refer to the pages on the necessary works after replacing the HDD and the SCN-MFP PWB in the Service Manual, and perform the works.)

Code: U2-80
Description: SCN-MFP PWB EEPROM read/write error
Causes: EEPROM trouble SCN-MFP PWB EEPROM access circuit trouble
Remedy: Check that the EEPROM is attached correctly. Take notes of the counter data and the adjustment values to prevent from deleting the data. (When the printer option is attached, take notes of the adjustment values by SIM22-01.) Replace the PCU PWB. Release this error with SIM16.

Code: U2-81
Description: SCN-MFP PWB EEPROM check sum error
Causes: EEPROM trouble SCN-MFP PWB EEPROM access circuit trouble
Remedy: Check that the EEPROM is attached correctly. Take notes of the counter data and the adjustment values to prevent from deleting the data. (When the printer option is attached, take notes of the adjustment values by SIM22-01.) Replace the PCU PWB. Release this error with SIM16.

Code: U2-90
Description: PCU PWB EEPROM read/write error
Causes: EEPROM trouble Installation of non-initialized EEPROM. PCU PWB EEPROM access circuit trouble
Remedy: Check that the EEPROM is attached correctly. Check that the 256kBit EEPROM is attached. Take notes of the counter data and the adjustment values to prevent from deleting the data. (When the printer option is attached, take notes of the adjustment values by SIM22-01.) Replace the PCU PWB. Release this error with SIM16.

Code: U2-91
Description: PCU PWB EEPROM check sum error
Causes: PCU PWB EEPROM trouble PCU PWB trouble EEPROM socket contact trouble
Remedy: Check that the EEPROM is attached correctly. Take notes of the counter data and the adjustment values to prevent from deleting the data. (When the printer option is attached, take notes of the adjustment values by SIM22-01.) Replace the PCU PWB. Release this error with SIM16.

Code: U6-00
Description: Desk communication trouble
Causes: Connection trouble or cut-line of the connector and the harness. Desk control PWB trouble Control (PCU) PWB trouble
Remedy: Check the control PWB. Check connection of the connector and the harness on the communication line. Turn OFF and ON the main unit.

Code: U6-01
Description: Desk tray 1 lift motor trouble
Causes: DLUD1 sensor trouble Desk casette 1 lift up motor trouble Connection trouble of the connector and the harness between the paper feed unit, Desk control PWB, and Lift up unit.
Remedy: Check the DLUD1, the DLUD1 harness and the connector of the DLUD1. Check the lift up unit. Replace the desk control PWB. Release this error with SIM15.

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