• Code: 727
• Description: Finisher stapler rotation motor error The H.P. sensor does not switch on or off within the specified time, i.e. stapler rotation does not finish within the specified time after the staple rotation motor turns on, or the stapler does not return to its H.P. within the specified time after stapling finishes.
• Causes: • Stapler rotation motor defective or overloaded • Stapler rotation motor connection loose or connector defective

• Code: 729
• Description: Finisher punch motor error After the punch motor turns on, the punch H.P. sensor does not activate within the specified time.
• Causes: • Punch motor defective or overloaded • Punch H.P. sensor defective • Punch motor connection loose or connector defective

• Code: 730
• Description: Finisher stapler positioning motor error The stapler H.P. sensor does not switch on or off within the specified time, i.e. after the stapler motor turns on, the stapler does not return to its H.P. within the specified time, or the stapler H.P. sensor does not activate within the specified time after the stapler motor turns on.
• Causes: • Stapler positioning motor defective or overloaded • Stapler H.P. sensor defective • Stapler positioning motor connection loose or connector defective

• Code: 731
• Description: Finisher exit guide open/close motor error. After the finisher exit guide open/close motor is turned on, the open/close sensor does not activate within the specified time.
• Causes: • Finisher exit guide open/close motor defective • Open/close sensor defective

• Code: 732
• Description: Finisher upper tray shift motor error The upper tray shift motor does not stop within the specified time.
• Causes: • Upper tray shift motor defective or overloaded • Upper tray shift sensor defective

• Code: 733
• Description: Finisher lower tray lift motor error The stack height sensor does not activate within the specified time, i.e. the lower tray lift motor does not stop.
• Causes: • Lower tray lift motor defective or overloaded • Upper stack height sensor defective • Lower tray lower limit sensor defective

• Code: 734
• Description: Finisher lower tray shift motor error The lower tray shift sensor does not activate with the specified time, i.e. the lower tray shift motor driving the lower tray does not stop.
• Causes: • Lower tray shift motor defective or overloaded • Lower tray shift sensor defective

• Code: 820
• Description: Self-Diagnostic Error: CPU The central processing unit returned an error during the self-diagnostic test.
• Causes: • Controller board defective • Software defective