• Code: 66-15
• Description: The original reading sensor (PS4) is not turned OFF after the laps of given time after the original registration sensor (PS3) is turned OFF (blocked) after the switchback read operation started.
• Causes: • Original reading motor (M1) • Reading roll release motor (M5) • Original registration sensor (PS3) • Original reading sensor (PS4) • DF control board (DFCB)
• Remedy:

• Code: 66-21
• Description: The original reading sensor (PS4) is not turned ON after the lapse of a given time after the original registration sensor (PS3) is turned ON (unblocked) after the switchback registration operation started.
• Causes: • Original reading motor (M1) • Registration motor (M3) • Original registration sensor (PS3) • Original reading sensor (PS4) • Original exit roller release solenoid (SD1) • DF control board (DFCB)
• Remedy:

• Code: 66-23
• Description: The original registration sensor (PS3) is not turned OFF (blocked) after a lapse of given time after PS3 is turned ON (unblocked).
• Causes: • Original reading motor (M1) • Original feed motor (M2) • Registration motor (M3) • After separate sensor (PS2) • Original registration sensor (PS3) • Original reading sensor (PS4) • DF control board (DFCB)
• Remedy:

• Code: 66-24
• Description: The original exit sensor (PS5) is not turned ON (blocked) after the laps of give time after the original reading sensor (PS4) turned ON after the switchback exit operation started.
• Causes: • Original reading motor (M1) • Original reading sensor (PS4) • Original exit sensor (PS5) • DF control board (DFCB)
• Remedy:

• Code: 66-33
• Description: The original reading sensor (PS4) is not turned ON after a lapse of a given time after the original registration sensor (PS3) is turned ON (unblocked).
• Causes: • Original reading motor (M1) • Original feed motor (M2) • Registration motor (M3) • After separate sensor (PS2) • Original registration sensor (PS3) • Original reading sensor (PS4) • DF control board (DFCB)
• Remedy:

• Code: 66-34
• Description: The original exit sensor (PS5) is not turned OFF (unblocked) after the laps of give time after the original reading sensor (PS4) turned OFF after the switchback exit operation started.
• Causes: • Original reading motor (M1) • Original reading sensor (PS4) • Original exit sensor (PS5) • DF control board (DFCB)
• Remedy:

• Code: 72-14
• Description: <When FS-534 or FS-534SD is installed> The staple stacker paper detection sensor (PS31) is not turned ON even after the set period of time has elapsed after the saddle exit sensor (PS5) is turned ON by the paper.
• Causes: • Saddle exit sensor (PS5) • Staple stacker paper detection sensor (PS31) • FS control board (FSCB)
• Remedy:

• Code: 72-15
• Description: <When FS-534 or FS-534SD is installed> The staple stacker paper detection sensor (PS31) is not turned OFF even after the set period of time has elapsed after it is turned ON.
• Causes: • Staple stacker paper detection sensor (PS31) • FS control board (FSCB)
• Remedy: