• Code: E551 0004
• Description: Buffer Pass Cooling Fan error. The fan lock signal is released when the fan stops.
• Remedy: STAPLE FIN-U1/BOOKLET FIN-U1 [Related parts] • Harnesses and connectors from the Buffer Pass Controller PCB to the Buffer Pass Cooling Fan • Buffer Pass Cooling Fan (FM202) • Buffer Pass Controller PCB (PCB201) [Remedy] Check/replace the corresponding harnesses/cables or connectors or the parts.

• Code: E577 0002
• Description: Paddle Motor error. • The Return Belt HP Sensor was not turned ON although 1 second had passed after the Paddle Motor operation started. • The last paddle operation is not finished when driving the Paddle Motor.
• Remedy: INNER FIN-G1 [Related parts] • Harnesses and connectors from the Finisher Controller PCB to the Return Belt HP Sensor • Harnesses and connectors from the Finisher Controller PCB to the Paddle Motor • Return Belt HP Sensor (PS3) • Paddle Motor (M10) • 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: E577 8001
• Description: Paddle Motor error. • The Return Belt HP Sensor was not turned ON although 1 second had passed after the Paddle Motor operation started. • The last paddle operation is not finished when driving the Paddle Motor.
• Remedy: INNER FIN-G1 [Related parts] • Harnesses and connectors from the Finisher Controller PCB to the Return Belt HP Sensor • Harnesses and connectors from the Finisher Controller PCB to the Paddle Motor • Return Belt HP Sensor (PS3) • Paddle Motor (M10) • 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: E584 0002
• Description: Shutter HP error. The Shutter HP Sensor does not detect the shutter although the Stack Ejection Motor has been driven for 3 seconds.
• Remedy: STAPLE FIN-U1/BOOKLET FIN-U1 [Related parts] • Harnesses and connectors from the Finisher Controller PCB to the Shutter HP Sensor • Harnesses and connectors from the Finisher Controller PCB to the Stack Ejection Motor • Harnesses and connectors from the Finisher Controller PCB to the Stack Ejection Lower Roller Clutch • Harnesses and connectors from the Finisher Controller PCB to the Shutter Clutch • Shutter drive mechanism • Shutter HP Sensor (PI113) • Stack Ejection Motor (M102) • Stack Ejection Lower Roller Clutch (CL102) • Shutter Clutch (CL101) • 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: E584 8001
• Description: Shutter HP error. The shutter does not come off the Shutter HP Sensor although the Stack Ejection Motor has been driven for 3 seconds.
• Remedy: STAPLE FIN-U1/BOOKLET FIN-U1 [Related parts] • Harnesses and connectors from the Finisher Controller PCB to the Shutter HP Sensor • Harnesses and connectors from the Finisher Controller PCB to the Stack Ejection Motor • Harnesses and connectors from the Finisher Controller PCB to the Stack Ejection Lower Roller Clutch • Harnesses and connectors from the Finisher Controller PCB to the Shutter Clutch • Shutter drive mechanism • Shutter HP Sensor (PI113) • Stack Ejection Motor (M102) • Stack Ejection Lower Roller Clutch (CL102) • Shutter Clutch (CL101) • 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: E5F0 8001
• Description: Paper positioning Plate HP error. The Saddle Paper Positioning Plate HP Sensor does not detect the paper positioning plate although the Saddle Paper Positioning Plate Motor has been driven for 1500 pulses.
• Remedy: STAPLE FIN-U1/BOOKLET FIN-U1 [Related parts] • Harnesses and connectors from the Saddle Stitcher Controller PCB to the Saddle Paper Positioning Plate HP Sensor • Harnesses and connectors from the Saddle Stitcher Controller PCB to the Saddle Paper Positioning Plate Motor • Paper positioning plate drive mechanism • Saddle Paper Positioning Plate HP Sensor (PI7) • Saddle Paper Positioning Plate Motor (M4) • Saddle Stitcher Controller PCB (PCB2) [Remedy] Check/replace the corresponding harnesses/cables or connectors or the parts.

• Code: E5F0 8002
• Description: Paper positioning Plate HP error. The paper positioning plate does not come off the Saddle Paper Positioning Plate HP Sensor although the Saddle Paper Positioning Plate Motor has been driven for 300 pulses.
• Remedy: STAPLE FIN-U1/BOOKLET FIN-U1 [Related parts] • Harnesses and connectors from the Saddle Stitcher Controller PCB to the Saddle Paper Positioning Plate HP Sensor • Harnesses and connectors from the Saddle Stitcher Controller PCB to the Saddle Paper Positioning Plate Motor • Paper positioning plate drive mechanism • Saddle Paper Positioning Plate HP Sensor (PI7) • Saddle Paper Positioning Plate Motor (M4) • Saddle Stitcher Controller PCB (PCB2) [Remedy] Check/replace the corresponding harnesses/cables or connectors or the parts.

• Code: E5F1 8001
• Description: Saddle Paper Folding Motor clock error. The drive speed of the Saddle Paper Folding Motor became 5 mm/sec or less (2 mm/sec or less at initial operation).
• Remedy: STAPLE FIN-U1/BOOKLET FIN-U1 [Related parts] • Harnesses and connectors from the Saddle Stitcher Controller PCB to the Saddle Paper Folding Motor Clock Sensor • Harnesses and connectors from the Saddle Stitcher Controller PCB to the Saddle Paper Folding HP Sensor • Harnesses and connectors from the Saddle Stitcher Controller PCB to the Saddle Paper Folding Motor • Paper folding roller drive mechanism • Saddle Paper Folding Motor Clock Sensor (PI4) • Saddle Paper Folding HP Sensor (PI21) • Saddle Paper Folding Motor (M2) • Saddle Stitcher Controller PCB (PCB2) [Remedy] Check/replace the corresponding harnesses/cables or connectors or the parts.