• Code: C1080
• Description: RU communication error. When the RU control board (RUCB) is receiving data, a communication error is detected.
• Causes: RU control board (RUCB)
• Remedy: 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. 2 Rewrite the firmware. 3 Replace RUCB

• Code: C1081
• Description: SD communication error. <When FS-534+SD-511 is installed> <When FS-535+SD-512 is installed> When a communication error is detected between the FS control board (FSCB) and the SD control board (SDDB).
• Causes: • SD drive board (SDDB) • FS control board (FSCB)
• Remedy: 1 Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. 2 Rewrite the firmware. 3 Replace SDDB (SD-511/SD-512) 4 Replace FSCB (FS-534/FS-535)

• Code: C1102
• Description: Main tray up/down motor’s drive malfunction. <When FS-533 is installed> • While the exit tray is being lifted, the stapler movement motor (M107) is not unblocked after the set period of time has elapsed after the tray lift up motor (M109) is turned ON. • While the exit tray is being lowered, the stapler movement motor (M107) is not blocked after the set period of time has elapsed after the tray lift up motor (M109) is turned ON <When FS-534 is installed> • While the exit tray is being lifted, the main tray upper position sensor (PS26/PS27) is not blocked and the main tray upper position detect switch (SW2) is not turned ON, even after the main tray up/down motor (M11) turns by the set number of times. • While the exit tray is being lowered, the main tray full detection sensor (PS29) is not blocked after the set period of time has elapsed after the main tray up/down motor (M11) is turned ON. <When FS-535 is installed> • The main tray upper limit sensor (PS44/PS45) is turned ON even after the set period of time has elapsed while the main tray up/down motor (M5) is energized. • The staple paper exit top surface sensor (PS7) is unblocked even after the set period of time has elapsed while the main tray up/down motor (M5) is energized.
• Causes: <When FS-533 is installed> • Tray lift up motor (M109) • Stapler movement motor (M107) • FS control board (FSCB) <When FS-534 is installed> • Main tray up/down motor (M11) • Main tray upper position sensor/R (PS26) • Main tray upper position sensor/F (PS27) • Main tray full detection sensor (PS29) • Main tray upper position detect switch (SW2) • FS control board (FSCB) <When FS-535 is installed> • Main tray up/down motor (M5) • Main tray upper limit sensor/in (PS44) • Main tray upper limit sensor/out (PS45) • Staple paper exit top surface sensor (PS7) • FS control board (FSCB)
• Remedy: When FS-533 is installed: 1 Check the connector between M109-FSCB CN108 for proper connection and correct as necessary. 2 Check the connector of M109 for proper drive coupling and correct as necessary. 3 Check the connector between PS107-FSCB CN110 for proper connection and correct as necessary. 4 PS107 I/O check, sensor check FSCB CN110 FS-533 7-D to E 5 M109 operation check FSCB CN108 FS-533 10-E 6 Replace M109 7 FSCB CP109 conduction check 8 Replace FSCB. When FS-534 is installed: 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 PS26 I/O check, sensor check FSCB J14<A>-5 (ON) FS-534 2-C 4 PS27 I/O check, sensor check FSCB J14<B>-8 (ON) FS-534 3-C 5 PS29 I/O check, sensor check FSCB J14<A>-8 (ON) FS-534 4-C 6 SW2 operation check FSCB J10-1 to 2 FS-534 8-K 7 M11 operation check FSCB J9<A>-9 to 10 FS-534 10-C to D 8 Replace M11 9 Replace FSCB. When FS-535 is installed: 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 PS44 I/O check, sensor check FSCB CN24-2 (ON) FS-535 8-L 4 PS45 I/O check, sensor check FSCB CN18-1 to 3 FS-535 13-D 5 PS7 I/O check, sensor check FSCB CN23-15 (ON) FS-535 13-L 6 M5 operation check FSCB CN22-1 to 11 FS-535 5-L 7 Replace M5 8 FSCB ICP1 conduction check 9 Replace FSCB

• Code: C1103
• Description: Alignment plate motor/Fr’s malfunction. <When FS-533 is installed> • The alignment plate home sensor/F (PS108) is not unblocked after the set period of time has elapsed after the plate drive starts from the home position. • The alignment plate home sensor/F (PS108) is not blocked after the set period of time has elapsed after the alignment motor/F (M105) is turned ON to return the plate to the home position. <When FS-534 is installed> • The alignment plate/F home sensor (PS12) is not unblocked after the set period of time has elapsed after the plate drive starts from the home position. • The alignment plate/F home sensor (PS12) is not blocked after the set period of time has elapsed after the alignment motor/front (M7) is turned ON to return the plate to the home position. • The alignment plate/F does not reach the specified position within the set period of time. <When FS-535 is installed> The alignment plate motor home sensor/Fr (PS17) is not blocked even after the set period of time has elapsed while the alignment plate motor/Fr (M11) is energized.
• Causes: <When FS-533 is installed> • Alignment motor/F (M105) • Alignment plate home sensor/F (PS108) • FS control board (FSCB) <When FS-534 is installed> • Alignment motor/Front (M7) • Alignment plate/F home sensor (PS12) • FS control board (FSCB) <When FS-535 is installed> • Alignment plate motor/Fr (M11) • Alignment plate motor home sensor/F (PS17) • FS control board (FSCB)
• Remedy: When FS-533 is installed: 1 Check the connector between M105-FSCB CN102 for proper connection and correct as necessary. 2 Check the connector of M105 for proper drive coupling and correct as necessary. 3 Check the connector between PS108-FSCB CN102 for proper connection and correct as necessary. 4 PS108 I/O check, sensor check FSCB CN102 FS-533 7-J 5 M105 operation check FSCB CN102 FS-533 7-J 6 Replace M105 7 FSCB CP105 conduction check 8 Replace FSCB. When FS-534 is installed: 1 Check the connector between M7-FSCB J4 for proper connection and correct as necessary. 2 Check the connector of M7 for proper drive coupling, and correct as necessary. 3 Check the connector between PS12-FSCB J4 for proper connection and correct as necessary. 4 PS12 I/O check, sensor check FSCB J4<B>-4 (ON) FS-534 13-C 5 M7 operation check FSCB J4<A>-5 to 8 FS-534 11-C to D 6 Replace M7 7 Replace FSCB. When FS-535 is installed: Check the connector between M11-FSCB CN19 for proper connection and correct as necessary. 2 Check the connector of M11 for proper drive coupling, and correct as necessary. Check the connector between PS17-FSCB CN20 for proper connection and correct as necessary. 3 PS17 I/O check, sensor check FSCB CN20-6 (ON) FS-535 12-D 4 M11 operation check FSCB CN19-1 to 4 FS-535 10-D 5 Replace M11 6 FSCB ICP4 conduction check 7 Replace FSCB

• Code: C1104
• Description: Exit roller motor’s malfunction. <When FS-535 is installed> Even after a predetermined period of time has elapsed since the exit roller motor (M4) starts operation, the lock signal is not set to L (turning).
• Causes: • Exit roller motor (M4) • FS control board (FSCB)
• Remedy: 1 Check the connector between M4-FSCB CN18 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 CN18-4 to 11 FS-535 14-D 4 Replace M4 5 FSCB ICP14 conduction check 6 Replace FSCB

• Code: C1105
• Description: Bundle eject motor’s drive malfunction <When FS-534 is installed> Paper output roller motor’s drive malfunction <When FS-535 is installed> <When FS-534 is installed> • The gripper home position sensor (PS18) does not block even after the set period of time has elapsed after the gripper position detection sensor (PS19) unblocked. • The gripper position detection sensor (PS19) does not block even after the set period of time has elapsed after it unblock • The gripper position detection sensor (PS19) does not block even after the set period of time has elapsed after the gripper home position sensor (PS18) unblocked. • The gripper home position sensor (PS18) does not block even after the set period of time has elapsed after the bundle eject motor (M10) unblocked. • The gripper home position sensor (PS18) and the gripper position detection sensor (PS19) are blocked at the same time. <When FS-535 is installed> The paper output roller home sensor (PS10) is not blocked or unblocked even after the set period of time has elapsed after the paper output roller motor (M6) is turned ON.
• Causes: <When FS-534 is installed> • Bundle eject motor (M10) • Gripper home position sensor (PS18) • Gripper position detection sensor (PS19) • FS control board (FSCB) <When FS-535 is installed> • Paper output roller motor (M6) • Paper output roller home sensor (PS10) • FS control board (FSCB)
• Remedy: When FS-534 is installed: 1 Check the motor and sensor connectors for proper connection, and correct as necessary. 2 Check the connector of M10 for proper drive coupling, and correct as necessary. 3 PS18 I/O check, sensor check FSCB J13-13 (ON) FS-534 7-C 4 PS19 I/O check, sensor check FSCB J12-3 (ON) FS-534 7-C 5 M10 operation check FSCB J13-1 to 2 FS-534 8-C to D 6 Replace M10 7 Replace FSCB When FS-535 is installed: 1 Check the connector between M6-FSCB CN60 for proper connection and correct as necessary. 2 Check the connector of M6 for proper drive coupling, and correct as necessary. 3 Check the connector between PS10-relay CN211- FSCB CN21 for proper connection and correct as necessary. 4 PS10 I/O check, sensor check FSCB CN21-3 (ON) FS-535 6-L 5 M6 operation check FSCB CN60-9 to 12 FS-535 16-D 6 Replace M6 7 FSCB ICP19 conduction check 8 Replace FSCB

• Code: C1106
• Description: Stapler movement motor’s malfunction. <When FS-533 is installed> • The stapler home sensor (PS110) is not unblocked after the laps of given time after it started operating from the home position. • The stapler home sensor (PS110) is not unblocked after the laps of give time after the stapler movement motor (M107) turned ON when it returned to the home position. <When FS-534 is installed> • The stapler home position sensor (Rear) (PS23) is not blocked or unblocked even after the set period of time has elapsed after the side stapler movement motor (M13) turned ON. • The stapler does not reach the specified position within the set period of time. <When FS-535 is installed> The stapler position sensor/1/2/3/4 (PS50/PS/51/PS52/PS53) is blocked or unblocked even after the set period of time has elapsed after the stapler movement motor (M13) is turned ON.
• Causes: <When FS-533 is installed> • Stapler movement motor (M107) • Stapler home sensor (PS110) • Stapler relay board (STREYB) • FS control board (FSCB) <When FS-534 is installed> • Side stapler movement motor (M13) • Stapler home position sensor (Rear) (PS23) • FS control board (FSCB) <When FS-535 is installed> • Stapler movement motor (M13) • Stapler position sensor/1 (PS50) • Stapler position sensor/2 (PS51) • Stapler position sensor/3 (PS52) • Stapler position sensor/4 (PS53) • FS control board (FSCB)
• Remedy: When FS-533 is installed: 1 Check the connector between M107-STREYB CN123 for proper connection, and correct as necessary. 2 Check the connector of M107 for proper drive coupling, and correct as necessary. 3 Check the connector between PS110-FSCB CN110 for proper connection, and correct as necessary. 4 PS110 I/O check, sensor check FSCB CN110 FS-533 8-D to E 5 M107 operation check STREYB CN123-5 to 8 FS-533 5-L 6 Replace M107 7 Replace STREYB 8 FSCB CP107 conduction check 9 Replace FSCB. When FS-534 is installed: 1 Check the connector between M13-relay CN3-FSCB J11 for proper connection, and correct as necessary. 2 Check the connector of M13 for proper drive coupling, and correct as necessary. 3 Check the connector between PS23-relay CN3-FSCB J11 for proper connection, and correct as necessary. 4 PS23 I/O check, sensor check FSCB J11<B>-3 (ON) FS-534 4-C 5 M13 operation check FSCB J11<A>-1 to 4 FS-534 4-C to D 6 Replace M13 7 Replace FSCB. When FS-535 is installed. 1 Check the motor and sensor connectors for proper connection, and correct as necessary. 2 Check the connector of M13 for proper drive coupling, and correct as necessary. 3 PS50 I/O check, sensor check FSCB CN23-3 (ON) FS-535 11 to 12-L 4 PS51 I/O check, sensor check FSCB CN23-6 (ON) FS-535 12-L 5 PS52 I/O check, sensor check FSCB CN23-9 (ON) FS-535 12-L 6 PS53 I/O check, sensor check FSCB CN23-12 (ON) FS-535 12-L 7 M13 operation check FSCB CN15-3 to 8 FS-535 8-D 8 Replace M13 9 FSCB ICP18 conduction check 10 Replace FSCB

• Code: C1109
• Description: Stapler motor’s drive malfunction. <When FS-533 is installed> The stapler home sensor (PS110) is not blocked even after the set period of time has elapsed after the stapler motor turned ON. <When FS-534 is installed> • The stapler home position sensor (Rear) (PS23) is not blocked or unblocked even after the set period of time has elapsed after the stapler motor (M14) turned ON. • The stapler position sensor (Center) (PS24) is blocked, when the stapler motor (M14) is running. <When FS-535 is installed> The home sensor in the staple unit does not turn ON even after the set period of time has elapsed after the stapler motor (M14) turned ON, and the home sensor in the staple unit does not turn ON even after the set period of time has elapsed after the stapler motor (M14) drives to the reverse direction.
• Causes: <When FS-533 is installed> • Stapler home sensor (PS110) • Stapler unit • Stapler relay board (STREYB) • FS control board (FSCB) <When FS-534 is installed> • Stapler home position sensor (Rear) (PS23) • Stapler unit • Stapler position sensor (Center) (PS24) • FS control board (FSCB) <When FS-535 is installed> • Stapler unit • Stapler motor (M14) • FS control board (FSCB)
• Remedy: When FS-533 is installed: 1 Check the connector between the stapler unit- STREYB CN122 and CN123 for proper connection and correct as necessary. 2 Check the connector of the stapler unit for proper drive coupling and correct as necessary. 3 Check the connector between PS110-FSCB CN110 for proper connection and correct as necessary. 4 PS110 I/O check, sensor check FSCB CN110 FS-533 8-D to E 5 Replace the stapler unit 6 Replace STREYB 7 Replace FSCB. When FS-534 is installed: 1 Check the connector between the stapler unit-relay CN4-FSCB J11 for proper connection and correct as necessary. 2 Check the connector of the stapler unit for proper drive coupling, and correct as necessary. 3 Check the connector between PS23-relay CN3-FSCB J11 for proper connection and correct as necessary. 4 Check the connector between PS24-relay CN3-FSCB J11 for proper connection and correct as necessary. 5 PS23 I/O check, sensor check FSCB J11<B>-3 (ON) FS-534 4-C 6 PS24 I/O check, sensor check FSCB J11<B>-6 (ON) FS-534 4 to 5-C 7 Replace the stapler unit 8 Replace FSCB. When FS-535 is installed: 1 Check the connector between M14-FSCB CN15 for proper connection and correct as necessary. 2 Check the connector of M14 for proper drive coupling, and correct as necessary. 3 Replace the stapler unit 4 M14 operation check FSCB CN15-1 to 2 FS-535 8 to 9-D 5 Replace M14 6 FSCB ICP10 conduction check 7 Replace FSCB