• Code: C11B2
• Description: Staple drive malfunction <When FS-527 is installed> • The stapler home sensor is turned neither ON nor OFF even after the set period of time has elapsed after the stapler motor is turned ON.
• Causes: Stapler unit FS control board (FSCB)
• Remedy: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. 2 Change stapler unit 3 Change FSCB

• Code: C11B5
• Description: Saddle stapler drive malfunction <When FS-527+SD-509 is installed> • The center stapler home sensor is turned neither ON nor OFF even after the set period of time has elapsed after the center stapler motor is turned ON.
• Causes: Saddle stapler unit SD drive board (SDDB) FS control board (FSCB)
• Remedy: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. 2 Change saddle stapler unit 3 Change SDDB 4 Change FSCB

• Code: C11C0
• Description: Punch motor drive malfunction <When FS-527+PK-517 is installed> • The punch home sensor/1 (PS100) is not turned ON even after the set period of time has elapsed while the punch motor/1 (M100) is energized.
• Causes: Punch motor/1 (M100) Punch home sensor/1 (PS100) FS control board (FSCB)
• Remedy: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. 2 Check the connector of M100 for proper drive coupling, and correct as necessary. 3 PS100 I/O check, sensor check FSCB PJ19-8 (ON) FS-527 (PK-517) J-9 4 M100 operation check FSCB PJ19-1 (CW) FSCB PJ19-3 (CCW) FS-527 (PK-517) J-8 5 Change M100 6 Change FSCB

• Code: C11E0
• Description: Duplex path switching motor drive malfunction <When FS-527 is installed> • The duplex path switching sensor (PS3) is turned neither ON nor OFF even after the set period of time has elapsed after the duplex path switching motor (M2) is turned ON.
• Causes: Duplex path switching motor (M2) Duplex path switching sensor (PS3) FS control board (FSCB)
• Remedy: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. 2 Check the connector of M2 for proper drive coupling, and correct as necessary. 3 PS3 I/O check, sensor check FSCB PJ11-6 (ON) FS-527 I-11 4 M2 operation check FSCB PJ29-1 to 3 FS-527 I-12 5 Change M2 6 Change FSCB

• Code: C11E1
• Description: Upper lower path switching motor drive malfunction <When FS-527 is installed> • The upper lower path switching sensor (PS26) is turned neither ON nor OFF even after the set period of time has elapsed after the upper lower path switching motor (M6) is turned ON.
• Causes: Upper lower path switching motor (M6) Upper lower path switching sensor (PS26) FS control board (FSCB)
• Remedy: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. 2 Check the connector of M6 for proper drive coupling, and correct as necessary. 3 PS26 I/O check, sensor check FSCB PJ21-9 (ON) FS-527 J-2 4 M6 operation check FSCB PJ9-1 (REM) FS-527 J-2 5 Change M6 6 Change FSCB

• Code: C11E2
• Description: Tray1 path switching motor drive malfunction <When FS-527 is installed> • The tray1 path switching home sensor (PS7) is turned neither ON nor OFF even after the set period of time has elapsed after the tray1 path switching motor (M8) is turned ON.
• Causes: Tray1 path switching motor (M8) Tray1 path switching home sensor (PS7) FS control board (FSCB)
• Remedy: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. 2 Check the connector of M8 for proper drive coupling, and correct as necessary. 3 PS7 I/O check, sensor check FSCB PJ16-3 (ON) FS-527 J-5 4 M8 operation check FSCB PJ9-4 (REM) FS-527 J-2 5 Change M8 6 Change FSCB

• Code: C2101
• Description: PC charge cleaning malfunction • During backward movement of the cleaner, the charging cleaner home sensor is not blocked after a predetermined period of time has elapsed.
• Causes: Drum unit Charging cleaner home sensor (PS43) Charging cleaner return sensor (PS44) Charge cleaning motor/K (M15) Printer control board (PRCB)
• Remedy: 1 Check the drum unit for proper connection and correct as necessary. 2 Check the M15 connector for proper connection and correct as necessary. 3 PS43 I/O check, sensor check PRCB CN25-11 (ON) C-12 4 PS44 I/O check, sensor check PRCB CN25-14 (ON) C-12 5 M15 operation check PRCB CN8-1 to 2 C-12 6 Change drum unit 7 Change M15 8 Change PRCB

• Code: C2151
• Description: Secondary transfer roller pressure welding alienation • The pressure welding alienation sensor doesn’t turn OFF (retracting) even after the lapse of a given period of time after the 2nd transfer pressure retraction motor has started rotating during the 2nd transfer roller is retracting. • The pressure welding alienation sensor doesn’t turn ON (pressuring) even after the lapse of a given period of time after the 2nd transfer pressure retraction motor has started rotating during the 2nd image transfer roller is pressuring.
• Causes: Pressure welding alienation sensor (PS50) 2nd transfer pressure retraction motor (M3) Printer control board (PRCB)
• Remedy: 1 Check the M3 connector for proper connection and correct as necessary. 2 PS50 I/O check, sensor check PFTDB CN4-9 (ON) Q-5 3 M3 operation check PFTDB CN5-3 (REM) Q-6 4 Change M3 5 Change PRCB