Code :

Code: F3-12
Description: Paper feed tray 1 lift operation trouble
Causes: T1LUD is not turned ON within the specified time. T1LUD sensor trouble Paper feed tray 1 lift unit trouble. PCU PWB trouble. Harness and connector connection trouble.
Remedy: Check connection of the harness and the connector of T1LUD. Replace the lift up unit. Replace the PCU PWB. Use SIM15 to cancel the trouble.

Code: F3-22
Description: Paper feed tray 2 lift operation trouble
Causes: T2LUD does not turn ON within the specified time. T2LUD sensor trouble. Paper feed tray 2 lift unit trouble. PCU PWB trouble. Harness and connector connection trouble.
Remedy: Check the harness and the connector of T2LUD. Replace the lift up unit. Replace the PCU PWB. Use SIM15 to cancel the trouble.

Code: F3-32
Description: Paper feed tray 3 lift operation trouble
Causes: M1LUD does not turn ON within the specified time. M1LUD sensor trouble. Paper feed tray 3 lift unit trouble. PCU PWB trouble. Harness and connector connection trouble.
Remedy: Check the harness and the connector of M1LUD. Replace the lift up unit. Replace the PCU PWB.

Code: F3-42
Description: Paper feed tray 4 lift operation trouble
Causes: M2LUD does not turn ON within the specified time. M2LUD sensor trouble. Paper feed tray 4 lift unit trouble. PCU PWB trouble. Harness and connector connection trouble.
Remedy: Check the harness and the connector of M2LUD. Replace the lift up unit. Replace the PCU PWB.

Code: F4-38
Description: Voltage trouble
Causes: Connector/harness connection trouble or disconnection PCU PWB trouble. Power unit trouble. AC PWB trouble.
Remedy: Check the connector and harness of the power line. Replace the PCU PWB. Replace the power unit. Replace the AC PWB.

Code: F6-00
Description: MFP-FAX communication trouble
Communication establishment error/Framing/Parity/ Protocol error
Causes: FAX unit PWB connector connection error FAX unit PWB - MFPcnt PWB harness trouble FAX unit PWB mother board connector pin breakage FAX unit ROM trouble/ROM pin breakage
Remedy: Case 1 Cause FAX unit PWB connector connection error Check and remedy Check the connector connection between the FAX unit PWB and the MFPcnt PWB. Case 2 Cause FAX unit PWB - MFPcnt PWB harness trouble Check and remedy Check the connector harness between the FAX unit PWB and the MFPcnt PWB. Case 3 Cause FAX unit PWB mother board connector pin breakage Check and remedy Check the machine grounding. Case 4 Cause FAX unit ROM trouble/ROM pin breakage Check and remedy Check the FAX unit PWB ROM.

Code: F6-01
Description: FAX board EEPROM read/write error
EEPROM access error (read/write)
Causes: EEPROM trouble FAX PWB EEPROM access circuit trouble
Remedy: Case 1 Cause 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 PWB EEPROM access circuit trouble Check and remedy Replace the PWB. In this case, not need to execute the simulation.

Code: F6-04
Description: FAX MODEM operation trouble
FAX PWB MODEM chip operation trouble
Causes: FAX PWB MODEM chip operation trouble The FAX PWB MODEM chip cannot be accessed
Remedy: Case 1 Cause FAX PWB MODEM chip operation trouble Check and remedy Replace the FAX PWB MODEM chip. Case 2 Cause The FAX PWB MODEM chip cannot be accessed. Check and remedy Replace the FAX PWB.