• Code: F3-32
• Description: Machine tray 3 lift-up trouble
  MCPED does not turn on within the specified time. MCLUD does not turn on within the specified time. The trouble occurs 3 times continuously that the upper limit sensor does not turn on by lift-up operation for 10sec when inserting a tray or for 2sec when printing. For the first and the second times, guide the user to pull out the tray in case of a tray size error.
• Causes: MCPED, MCLUD trouble No. 3 tray lift-up motor trouble Improper connection of the harness of the PCU PWB, the lift-up unit, and the paper feed unit
• Remedy: Check the harness and the connector of MCPED and MCLUD. Lift-up trouble unit check

• Code: F3-42
• Description: Machine tray 4 lift-up trouble
  MCPED does not turn on within the specified time. MCLUD does not turn on within the specified time. The trouble occurs 3 times continuously that the upper limit sensor does not turn on by lift-up operation for 10sec when inserting a tray or for 2sec when printing. For the first and the second times, guide the user to pull out the tray in case of a tray size error.
• Causes: MCPED, MCLUD trouble No. 4 tray lift-up motor trouble. Improper connection of the harness of the PCU PWB, the lift-up unit, and the paper feed unit.
• Remedy: Check the harness and the connector of MCPED and MCLUD. Lift-up trouble unit check.

• Code: F4-38
• Description: 38V voltage trouble
  38V voltage falls or rises. When the 38V MON signal is not turned on in 50ms after turning on the INTRP.
• Causes: Improper connection or disconnection of the connector and the harness
  PCU PWB trouble Power unit trouble
• Remedy: Case 1 Cause Improper connection or disconnection of the connector and the harness Check and remedy Check the connector and the harness of the power line. Case 2 Cause PCU PWB trouble Power unit trouble Check and remedy Check 38V power source in the power unit and the PCU PWB.

• Code: F6-00
• Description: MFP control-FAX communication trouble (MFP control detection)
  The booting sequence by the command line (9600bps, serial) is not completed normally. Communication establishment error/ framing/ parity/protocol error
• Causes: Defective connection of the slave unit PWB connector. Defective harness between the slave unit PWB and the MFP control PWB. Slave unit PWB mother board connector pin breakage.
  Slave unit ROM trouble/no ROM/ Reversed
  insertion of ROM/ ROM pin breakage
• Remedy: Case 1 Cause Defective connection of the slave unit PWB connector. Defective harness between the slave unit PWB and the MFP control PWB. Slave unit PWB mother board connector pin breakage. Check and remedy Check connection of the connector between the slave unit PWB and the MFP control PWB and the harness. Case 2 Cause Slave unit ROM trouble/no ROM/ Reversed insertion of ROM/ ROM pin breakage Check and remedy Check the ROM on the slave unitPWB.

• Code: F6-01
• Description: FAX Flash memory trouble (MFP control detection)
  The flash memory inserted to the FAX I/F PWB could not be cleared.
• Causes: The flash memory could not be cleared.
• Remedy: FAX image save flash memory check. Use SIM 66-10 to clear the expansion flash memory.

• Code: F6-04
• Description: FAX modem operation abnormality
  The initializing process of the modem chip in the FAX PWB is not completed normally.
• Causes: SW101 in the FAX PWB tries to perform normal operation on the boot side.
  FAX PWB modem chip operation trouble
• Remedy: Case 1 Cause SW101 in the FAX PWB tries to perform normal operation on the boot side. Check and remedy Set SW101 on the FAX PWB to other than the boot side, and turn on the power again. Case 2 Cause FAX PWB modem chip operation trouble Check and remedy Replace the FAX PWB.

• Code: F6-20
• Description: FAX write protect cancel
  The write protect jumper of the FAX interface PWB is released.
• Causes: The FAX write protect pin is set to Write Enable.
  FAX interface PWB trouble FAX PWB trouble
• Remedy: Case 1 Cause The FAX write protect pin is set to Write Enable. Check and remedy Check the write protect pin in the FAX interface PWB. Case 2 Cause FAX interface PWB trouble FAX PWB trouble Check and remedy Replace the FAX PWB. Replace the FAX interface PWB.

• Code: F6-21
• Description: Abnormal combination of the TEL/LIU PWB and the FAX soft switch
  Combination error of TEL/LIU PWB and software If the destination of the installed TEL/LIU PWB differs from that of the FAX soft switch, it is judged as an error. Or when the TEL/LIU PWB is not a new one for a new MDMC PWB.
• Causes: The destination of the installed TEL/LIU PWB differs. The FAX PWB information (soft switch) differs.
  TEL/LIU PWB trouble
  The TEL/LIU PWB is not a new one.
• Remedy: Case 1 Cause The destination of the installed TEL/LIU PWB differs. The FAX PWB information (soft switch) differs. Check and remedy Check the destination of the TEL/LIU PWB. Check the FAX PWB information (soft switch). Case 2 Cause TEL/LIU PWB trouble Check and remedy Replace the TEL/LIU PWB. Case 3 Cause The TEL/LIU PWB is not a new one. Check and remedy Replace the TEL/LIU PWB with a new one.