• Code: E540-8004
• Description: Stack tray up/down error Finisher-Z1
  Outputs of the top paper sensor, bottom paper sensor, tray upper limit sensor, and tray lower limit sensor have abnormality during paper surface detection.
• Remedy: Replace the stack tray top paper sensor (SR9) , Replace the stack tray bottom paper sensor (SR10) , Replace the stack tray upper limit sensor (SR13) , Replace the stack tray lower limit sensor (SR12) , Replace the stack tray shift motor (M7)

• Code: E542-8001
• Description: Lower tray up/down error Finisher-Z1
  The lower tray up/down motor clock is abnormal.
• Remedy: Replace the shift motor (M38) of the tray 2, Replace the shift area sensor PCB of the tray 2

• Code: E542-8002
• Description: Lower tray up/down error Finisher-Z1
  Area is abnormal.
• Remedy: Replace the shift motor (M38) of the tray 2, Replace the shift area sensor PCB of the tray 2

• Code: E542-8003
• Description: Lower tray up/down error Finisher-Z1
  The safety switch is activated.
• Remedy: Replace the shift motor (M38) of the tray 2, Replace the shift area sensor PCB of the tray 2

• Code: E577-8001
• Description: Paddle error Finisher-Z1
  The HP sensor fails to be ON within 1500ms after the paper retaining paddle starts to move to its HP.
• Remedy: Replace the paddle HP sensor (SR8) , Replace the paddle motor (M6)

• Code: E577-8002
• Description: Paddle error Finisher-Z1
  The HP sensor fails to be OFF within 1000ms after the paper retaining paddle starts to move from its HP.
• Remedy: Replace the paddle HP sensor (SR8) , Replace the paddle motor (M6)

• Code: E584-8001
• Description: Shutter unit error Finisher-Y1, Saddle Finisher-Y2
  The shutter open sensor fails to be OFF (The shutter cannot be closed).
• Remedy: Replace the stack ejection motor (M32) , Replace the shutter open/close clutch (CL31), Replace the shutter HP sensor (PI45)

• Code: E584-8002
• Description: Shutter unit error Finisher-Y1, Saddle Finisher-Y2
  The shutter open sensor fails to be ON (The shutter cannot be opened).
• Remedy: Replace the stack ejection motor (M32) , Replace the shutter open/close clutch (CL31), Replace the shutter HP sensor (PI45)