• Code: C0351
• Description: Paper cooling fan trouble
  • The fan lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Causes: Paper cooling fan motor (FM13) Printer control board (PRCB)
• Remedy: 1 Check the FM13 connector for proper connection and correct as necessary. - - 2 Check the fan for possible overload and correct as necessary. - - 3 FM13 operation check PRCB CN15-7 (REM) PRCB CN15-9 (LOCK) K-7 4 Change FM13 - - 5 PRCB ICP6 conduction check - - 6 Change PRCB

• Code: C1003
• Description: PK communication error <When FS-526+PK-516 is installed>
  • When a communication error is detected between the FS control board (FSCB) and the punch control board (PKDB).
• Causes: Punch control board (PKDB) FS control board (FSCB)
• Remedy: 1 Disconnect and then connect the power cord. Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the main power switch. - - 2 Rewrite the firmware. - - 3 Change PKDB - - 4 Change FSCB

• Code: C1004
• Description: FNS communication error
  • When the FS control board (FSCB) is receiving data, a communication error is detected.
• Causes: FS control board (FSCB)
• Remedy: 1 Disconnect and then connect the power cord. Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the main power switch. - - 2 Rewrite the firmware. - - 3 JSCB F1 conduction check - - 4 JSCB F2 conduction check - - 5 Change FSCB

• Code: C1005
• Description: ZU communication error
  • When the ZU control board (ZUCB) is receiving data, a communication error is detected.
• Causes: ZU control board (ZUCB)
• Remedy: 1 Disconnect and then connect the power cord. Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the main power switch. - - 2 Rewrite the firmware. - - 3 Change ZUCB

• Code: C1081
• Description: SD communication error
  <When FS-527+SD-509 is installed> • When a communication error is detected between the FS control board (FSCB) and the SD drive board (SDDB).
• Causes: SD drive board (SDDB) FS control board (FSCB)
• Remedy: 1 Disconnect and then connect the power cord. Turn OFF the main power switch, wait for 10 sec. or more, and turn ON the main power switch. - - 2 Rewrite the firmware. - - 3 Change SDDB - - 4 Change FSCB

• Code: C1102
• Description: Main tray Up/Down motor malfunction
  <When FS-526 is installed> • The main tray top surface sensor (PS4) is turned neither ON nor OFF even after the set period of time has elapsed while the main tray lift motor (M5) is energized. • The staple paper exit top surface sensor (PS7) is turned neither ON nor OFF even after the set period of time has elapsed while the main tray lift motor (M5) is energized.
• Causes: Main tray lift motor (M5) Main tray top surface sensor (PS4) Staple paper exit top surface 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 M5 for proper drive coupling, and correct as necessary. - - 3 PS4 I/O check, sensor check FSCB CN20<B>-18 (ON) FS-526 L-14 4 PS7 I/O check, sensor check FSCB CN20<B>-15 (ON) FS-526 L-14 5 M5 operation check FSCB CN22-1 to 11 FS-526 K-5 6 Change M5 - - 7 FSCB ICP1 conduction check - - 8 Change FSCB

• Code: C1103
• Description: Side-staple front adjust drive motor malfunction
  <When FS-526 is installed> • The 2 staples alignment motor home sensor/F (PS17) is not turned ON even after the set period of time has elapsed while the Alignment plate motor/F (M11) is energized.
• Causes: Alignment plate motor/F (M11) 2 staples alignment motor home sensor/F (PS17) FS control board (FSCB)
• Remedy: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. - - 2 Check the connector of M11 for proper drive coupling, and correct as necessary. - - 3 PS17 I/O check, sensor check FSCB CN20<A>-6 (ON) FS-526 L-11 4 M1 operation check FSCB CN19-1 to 4 FS-526 D-13 5 Change M1 - - 6 FSCB ICP4 conduction check - - 7 Change FSCB

• Code: C1104
• Description: Paper exit roller drive motor malfunction
  <When FS-526 is installed> • The exit roller motor (M4) lock signal remains set to H for a set period of time while the exit roller motor (M4) is turning.
• Causes: Exit roller motor (M4) FS control board (FSCB)
• Remedy: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. - - 2 Check the connector of M4 for proper drive coupling, and correct as necessary. - - 3 M4 operation check FSCB CN18-3 to 10 FS-526 D-12 4 Change M4 - - 5 FSCB ICP2 conduction check - - 6 Change FSCB