• Code: 75-43
• Description: <When FS-534 or FS-534SD is installed> The RU entrance sensor (PS2) is not turned OFF (unlocked) even after the set period of time has elapsed after it is turned ON (blocked).
• Causes: • RU entrance sensor (PS2) • FS control board (FSCB)
• Remedy:

• Code: 92-01
• Description: The registration sensor (PS1) is not turned ON (unblocked) even after the lapse of a given period of time after a duplex paper feed sequence has been started.
• Causes: • ADU transport motor (M5) • Registration sensor (PS1) • MFP board (MFPB)
• Remedy:

• Code: 92-02
• Description: For the second-side feed of paper in the duplex mode, loop forming has not been complete before the second side of a sheet enters the registration roller because the rise timing of load to perform registration is earlier than the rise timing of load to form a loop.
• Causes: • ADU transport motor (M5) • Registration sensor (PS1) • MFP board (MFPB)
• Remedy:

• Code: 92-40
• Description: For the second-side feed of paper in the duplex mode, the image write start signal permit continues to be disabled for a predetermined period of time after the timing of the image write start signal output.
• Causes: • ADU transport motor (M5) • Registration sensor (PS1) • MFP board (MFPB)
• Remedy:

• Code: 99-01
• Description: • As a result of a paper size error, the controller transmits a forced stop command to the printer engine and the printer engine is internally processing the size error. • As a result of a paper size error, the controller transmits a forced stop command to the printer engine; but the paper causing the size error cannot be fed out.
• Causes:
• Remedy: Initial check items Open and close the front door of the main body.

• Code: 99-02
• Description: The controller transmits a forced stop command under a condition other than a paper size error during a print cycle.
• Causes:
• Remedy: Initial check items Open and close the front door of the main body.

• Code: 99-03
• Description: Image stabilization not completing a job.
• Causes:
• Remedy: Initial check items Open and close the front door of the main body.

• Code: 99-04
• Description: The finisher pre-drive is not completed even with a print start command received.
• Causes:
• Remedy: Initial check items Open and close the front door of the main body. Or, open and close the front door of the finisher.