• Code: F1 81
• Description: Sorter transport motor trouble (Sorter side detection)
• Causes: The motor rotation sensor output signal is not recognized within the specified time after outputting the sorter transport motor ON signal. / The transport guide sensor signal is not recognized within the specified time after outputting the transport guide ON signal.
• Remedy: Case 1 Trouble position/cause Transport motor trouble / Transport motor rotation sensor trouble Remedy (Check) "Check operations of the transport motor, the transport guide, and the sensor. (SIM 3-1/2)" (Repair) Replace the transport motor. / Replace the transport motor rotation sensor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause "Transport guide sensor trouble, transport guide home position sensor trouble" Remedy (Check) Check operations of the transport guide sensor and the transport guide home position sensor. (SIM 3-1/2) (Repair) Replace the transport guide sensor. / Replace the transport guide home position sensor. / Power Source-ON (After-work) Note Case 3 Trouble position/cause Paper transport mechanism section trouble Remedy (Check) Check operations of the paper transport mechanism section. (SIM 3-1/2) (Repair) Repair or replace the parts of the paper transport mechanism section. / Power Source-ON (After-work) Note Case 4 Trouble position/cause Sorter control PWB trouble. Remedy (Check) Check operations of the sorter control PWB. (SIM 3-1/2) (Repair) Replace the sorter control PWB. / Power Source-ON

• Code: F1 83
• Description: Sorter push bar motor trouble (Sorter side detection)
• Causes: The push bar sensor signal is not recognized within 2sec from start of initializing. / The push bar does not complete its operation within 2sec from start of operation
• Remedy: Case 1 Trouble position/cause Push bar motor trouble / Push bar home position sensor trouble Remedy (Check) Check operations of the push bar motor and the push bar home position sensor. (SIM 3-1/2) (Repair) Replace the push bar motor. / Replace the push bar home position sensor. / Power Source-ON Case 2 Trouble position/cause Circuit breaker operation Remedy (Check) Check the cause of an overcurrent. (Repair) Reset the circuit breaker. / Power Source-ON (After-work) Note Case 3 Trouble position/cause Paper push bar mechanism section trouble Remedy (Check) Check operations of the paper push bar mechanism section. (SIM3-1/2) (Repair) Repair or replace the parts in the paper push bar mechanism section. / Power Source-ON (After-work) Note Case 4 Trouble position/cause Sorter control PWB trouble. Remedy (Check) Check operations of the sorter control PWB.(SIM3-1/2) (Repair) Replace the sorter control PWB. / Power Source-ON

• Code: F1 87
• Description: Sorter staple unit oscillation motor trouble (Sorter side detection)
• Causes: The stapler shift home position sensor signal is not recognized within 1sec from start of initializing. / The stapler shift home position sensor signal polarity change is not recognized within 1sec from start of stapler shift operation. / The rotation sensor output signal is not recognized within 0.25sec from output of the stapler shift motor ON signal.
• Remedy: Case 1 Trouble position/cause Stapler shift motor trouble / Stapler shift home position sensor trouble Remedy (Check) Check operations of the stapler shift motor/stapler shift home position sensor.(SIM3-1/2) (Repair) Replace the stapler shift motor. / Replace the stapler shift home position sensor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Staple shift mechanism section trouble Remedy (Check) Check operations of the staple shift mechanism section. (SIM3-1/2) (Repair) Repair or replace the parts of the staple shift mechanism section. / Power Source-ON (After-work) Note Case 3 Trouble position/cause Circuit breaker operation Remedy (Check) Check the cause of an overcurrent. (Repair) Reset the circuit breaker. / Power Source-ON (After-work) Note Case 4 Trouble position/cause Sorter control PWB trouble. Remedy (Check) Check operations of the sorter control PWB.(SIM3-1/2) (Repair) Replace the sorter control PWB. / Power Source-ON

• Code: F1 89
• Description: Sorter bin shift motor trouble (Sorter side detection)
• Causes: The lead cam position sensor signal is not recognized within the specified time after outputting the bin shift motor ON signal. / The guide bar home position is not recognized within the specified time after start of the guide bar operation. / The rotation sensor output signal is not recognized within the specified time after outputting the bin shift motor ON signal.
• Remedy: Case 1 Trouble position/cause Bin shift motor trouble / Lead cam position sensor Remedy (Check) Check operations of the bin shift motor / lead cam home position sensor. (SIM3-1/2) (Repair) Replace the bin shift motor. / Replace the lead cam position sensor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Bin shift mechanism section trouble Remedy (Check) Check operations of the bin shift mechanism section. (SIM 3-1/2) (Repair) Repair or replace the parts in the bin shift mechanism section. / Power Source-ON (After-work) Note Case 3 Trouble position/cause Circuit breaker operation Remedy (Check) Check the cause of an overcurrent. (Repair) Reset the circuit breaker. / Power Source-ON (After-work) Note Case 4 Trouble position/cause Sorter control PWB trouble. Remedy (Check) Check operations of the sorter control PWB.(SIM3-1/2) (Repair) Replace the sorter control PWB. / Power Source-ON

• Code: F1 91
• Description: Bin paper sensor auto adjustment trouble (Sorter side detection)
• Causes: Sensor output abnormality in sensor detection level adjustment
• Remedy: Case 1 Trouble position/cause Bin paper sensor trouble Remedy (Check) Check operations of bin paper sensor.(SIM3-1/2) (Repair) Replace or adjust the bin paper sensor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Sorter control PWB trouble. Remedy (Check) Check operations of the sorter control PWB.(SIM3-1/2) (Repair) Replace the sorter control PWB. / Power Source-ON

• Code: F1 94
• Description: Sorter staple key trouble
• Causes: The continuous ON state of the manual staple key is recognized after 5 sec of starting copying.
• Remedy: Case 1 Trouble position/cause Staple key trouble Remedy (Check) Staple key operation check (SIM 3-2) (Repair) Staple key replacement/Power OFF/ON (After-work) Note Case 2 Trouble position/cause Sorter control PWB trouble. Remedy (Check) Sorter control PWB operation check (SIM 3-1/2) (Repair) Sorter control PWB replacement/Power OFF/ON

• Code: F2 40
• Description: Toner concentration sensor trouble (BLACK)
• Causes: Toner density sensor output line open
• Remedy: Case 1 Trouble position/cause "Bad connection of the toner density sensor, the process control PWB, and the PCU MAIN PWB" Remedy (Check) "Check connections of the toner density sensor, the process control PWB, and the PCU MAIN PWB." (Repair) Replace the toner density sensor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Process control PWB trouble Remedy (Check) Check the toner density sensor output level with SIM 25-1. (Repair) Replace the process control PWB. / Power Source-ON (After-work) Note Case 3 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) Check the toner density sensor output level with SIM 25-1. (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.)

• Code: F2 41
• Description: Toner concentration sensor trouble (CYAN)
• Causes: Toner density sensor output line open
• Remedy: Case 1 Trouble position/cause "Bad connection of the toner density sensor, the process control PWB, and the PCU MAIN PWB" Remedy (Check) "Check connections of the toner density sensor, the process control PWB, and the PCU MAIN PWB." (Repair) Replace the toner density sensor. / Power Source-ON (After-work) Note Case 2 Trouble position/cause Process control PWB trouble Remedy (Check) Check the toner density sensor output level with SIM 25-1. (Repair) Replace the process control PWB. / Power Source-ON (After-work) Note Case 3 Trouble position/cause PCU MAIN PWB trouble Remedy (Check) Check the toner density sensor output level with SIM 25-1. (Repair) Replace the PCU MAIN PWB. / Power Source-ON (After-work) Re-enter setup values and adjustment values. (Install the EEPROM of the defective PCU MAIN PWB to a new PCU MAIN PWB.)