Code :

Code: F6 98
Description: Improper combination of the FAXBOX destination data and the main unit destination data
Causes: Improper combination of the FAX-BOX destination data and the main unit destination data
Remedy: Case 1 Cause Improper combination of the destination written in the EEPROM on the FAX-BOX PWB and the main unit destination data (set with SIM 26-6). Check & Remedy 1. Check the destination of the FAX-BOX. 2. Check the destination of the main unit with SIM 26-6. 3. Use a proper combination of the main unit and the FAX-BOX.

Code: F7 01
Description: FAX board EEPROM read/write error
Causes: FAX board EEPROM read/ write error
Remedy: Common Check Check with SIM 66-3 (memory check). Case 1 Cause EEPROM trouble, FAX PWB EEPROM access circuit trouble Check & Remedy When NG in SIM 66-3 EEPROM. 1. Replace the EEPROM. 2. Use SIM 66-1 to enter an adjustment value of the soft switch. 3. After entering an adjustment value, use SIM 66-4/5 (signal send level) and SIM 66-14/15/ 16 (dial test) to make adjustments.

Code: F9 00
Description: ICU-PRT communication trouble (ICU detection)
Causes: Communication establishment error, framing, parity, protocol error
Remedy: Case 1 Cause Defective connection of the ICU/PRT PWB communication connector, defective harness between the ICU PWB and the PRT PWB Check & Remedy Check connection and the harness between the ICU PWB and the MFP PWB. Check the machine earth. Case 2 Cause Defective ICU PWB/PRT PWB Check & Remedy Replace the ICU or the PRT PWB.

Code: F9 01
Description: PRT DRAM trouble
Causes: DRAM in the PRT PWB cannot be accessed.
Remedy: Case 1 Cause Defective installation of the DRAM Check & Remedy Check connection of the DRAM. Case 2 Cause Defective DRAM Check & Remedy Replace the DRAM.

Code: F9 03
Description: NIC port check error
Causes: NIC port check error
Remedy: Case 1 Cause Defective connection of the NIC connector. Check & Remedy Check the NIC connector again. Case 2 Cause Defective NIC PWB Check & Remedy Replace the NIC. Case 3 Cause Defective PRT PWB Check & Remedy Replace the PRT PWB.

Code: F9 20
Description: HDD trouble (PRT controller detection)
Causes: The HDD (option) does not operate normally in the machine with the HDD.
Remedy: Case 1 Cause Defective connection of the HDD connector. Check & Remedy Check the HDD connector again. Case 2 Cause Defective HDD Check & Remedy Replace the HDD. Case 3 Cause Defective PRT PWB Check & Remedy Replace the PRT PWB.

Code: H2 00
Description: Thermistor open (HL1)
Causes: Thermistor open
Remedy: Case 1 Cause Disconnection of the fusing section connector Check & Remedy Check the connector and the harness between the thermistor and the control PWB. Case 2 Cause The fusing unit is not installed. Check & Remedy Install the fusing unit. Case 3 Cause Thermistor trouble, control PWB trouble, AC power supply trouble Check & Remedy Replace the thermistor or the control PWB. Check the AC power supply.

Code: H2 01
Description: Thermistor open (HL2)
Causes: Thermistor open
Remedy: Case 1 Cause Disconnection of the fusing section connector Check & Remedy Check the connector and the harness between the thermistor and the control PWB. Case 2 Cause The fusing unit is not installed. Check & Remedy Install the fusing unit. Case 3 Cause Thermistor trouble, control PWB trouble, AC power supply trouble Check & Remedy Replace the thermistor or the control PWB. Check the AC power supply.