• Code: 540-8004-02
• Description: Stack tray paper surface detection error (Finisher-Y1)
• Causes: The Stack Tray Paper Surface Sensor does not turn off when the stack tray has been lowered for 10 seconds.
• Remedy: STAPLE FIN-Y1/BOOKLET FIN-Y1 [Related parts] - Harnesses from the Stack Tray Paper Surface Sensor (light-emitting) (PBA101) to the Finisher Controller PCB - Harnesses from the Stack Tray Paper Surface Sensor (light-receiving) (PBA102/PBA103) to the Finisher Controller PCB - Harnesses from the Stack Tray Shift Motor (M105) to the Finisher Controller PCB - Stack Tray Paper Surface Sensor (light-emitting) (PBA101) - Stack Tray Paper Surface Sensor (light-receiving) (PBA102/PBA103) - Stack Tray Shift Motor (M105) - Finisher Controller PCB (PCB101) [Points to note at work] When the Swing Guide Safety Switch (SW102) turns on at the detection timing of this error, this error code may be displayed. Accordingly, perform the following work before checking the related parts. 1. Check whether there is not the malfunction in the swing guide unit. 2. Check whether there is not the malfunction in the Swing Guide Safety Switch (SW102). [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> When Replacing the Parts" in the Service Manual.

• Code: 551-0001-02
• Description: Error in the Inlet Cooling Fan of the Finisher (Finisher-J1)
• Causes: When the lock signal is detected 300 msec at the time of fan drive, Retry of the drive is executed. At the time of retry, the lock signal is detected 100 msec.
• Remedy: [Related parts] - Harnesses and connectors from the Finisher Controller PCB to the nlet Cooling Fan - Inlet Cooling Fan (FM1) - Finisher Controller PCB (PCB1) [Remedy] Check/replace the corresponding harnesses/cables or connectors or the parts. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> Adjustment when Replacing the Parts" in the Service Manual.

• Code: 551-0002-02
• Description: Error in the Inlet Cooling Fan of the Finisher (Finisher-J1)
• Causes: The lock signal is detected 300 msec more while the fan stops.
• Remedy: [Related parts] - Harnesses and connectors from the Finisher Controller PCB to the nlet Cooling Fan - Inlet Cooling Fan (FM1) - Finisher Controller PCB (PCB1) [Remedy] Check/replace the corresponding harnesses/cables or connectors or the parts. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> Adjustment when Replacing the Parts" in the Service Manual.

• Code: 551-0003-02
• Description: Error in the Cooling Fan (Finisher-Y1)
• Causes: The lock signal is detected 1.2 seconds or more while the fan operates.
• Remedy: STAPLE FIN-Y1/BOOKLET FIN-Y1 [Related parts] - Harnesses from the Cooling Fan (FM101) to the Finisher Controller PCB - Cooling Fan (FM101) - Finisher Controller PCB (PCB101) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> When Replacing the Parts" in the Service Manual.

• Code: 551-0004-02
• Description: Error in the Cooling Fan of the Finisher (Finisher-Y1)
• Causes: The lock status is released when the fan stops.
• Remedy: STAPLE FIN-Y1/BOOKLET FIN-Y1 [Related parts] - Harnesses from the Cooling Fan (FM101) to the Finisher Controller PCB - Cooling Fan (FM101) - Finisher Controller PCB (PCB101) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> When Replacing the Parts" in the Service Manual.

• Code: 553-8001-02
• Description: Error in the Escape Delivery Shift Motor (Finisher-Y1)
• Causes: The escape delivery roller does not come off the Escape Delivery Roller HP Sensor when the Escape Delivery Shift Motor has been driven for 1 second.
• Remedy: STAPLE FIN-Y1/BOOKLET FIN-Y1 [Related parts] - Harnesses from the Escape Delivery Roller HP Sensor (PS112) to the Finisher Controller PCB - Harnesses from the Escape Delivery Shift Motor (M106) to the Finisher Controller PCB - Escape Delivery Roller HP Sensor (PS112) - Escape Delivery Shift Motor (M106) - Finisher Controller PCB (PCB101) [Points to note at work] When the Swing Guide Safety Switch (SW102) turns on at the detection timing of this error, this error code may be displayed. Accordingly, perform the following work before checking the related parts. 1. Check whether there is not the malfunction in the swing guide unit. 2. Check whether there is not the malfunction in the Swing Guide Safety Switch (SW102). [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> When Replacing the Parts" in the Service Manual.

• Code: 553-8002-02
• Description: Error in the Escape Delivery Shift Motor (Finisher-Y1)
• Causes: The Escape Delivery Roller HP Sensor does not detect the escape delivery roller when the Escape Delivery Shift Motor has been driven for 1 second.
• Remedy: STAPLE FIN-Y1/BOOKLET FIN-Y1 [Related parts] - Harnesses from the Escape Delivery Roller HP Sensor (PS112) to the Finisher Controller PCB - Harnesses from the Escape Delivery Shift Motor (M106) to the Finisher Controller PCB - Escape Delivery Roller HP Sensor (PS112) - Escape Delivery Shift Motor (M106) - Finisher Controller PCB (PCB101) [Points to note at work] When the Swing Guide Safety Switch (SW102) turns on at the detection timing of this error, this error code may be displayed. Accordingly, perform the following work before checking the related parts. 1. Check whether there is not the malfunction in the swing guide unit. 2. Check whether there is not the malfunction in the Swing Guide Safety Switch (SW102). [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> When Replacing the Parts" in the Service Manual.

• Code: 553-8011-02
• Description: Error in the Flapper Motor (Finisher-Y1)
• Causes: The flapper does not come off the Flapper HP Sensor when the Flapper Motor has been driven for 1 second.
• Remedy: STAPLE FIN-Y1/BOOKLET FIN-Y1 [Related parts] - Harnesses from the Flapper HP Sensor (PS105) to the Finisher Controller PCB - Harnesses from the Flapper Motor (M104) to the Finisher Controller PCB - Flapper HP Sensor (PS105) - Flapper Motor (M104) - Finisher Controller PCB (PCB101) [Points to note at work] When the Swing Guide Safety Switch (SW102) turns on at the detection timing of this error, this error code may be displayed. Accordingly, perform the following work before checking the related parts. 1. Check whether there is not the malfunction in the swing guide unit. 2. Check whether there is not the malfunction in the Swing Guide Safety Switch (SW102). [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] When replacing the Finisher Controller PCB, refer to "Adjustment> When Replacing the Parts" in the Service Manual.