• Code: C845
• Description: Booklet stitcher jog motor problem
• Causes: A problem is detected with the saddle jog motor.
• Remedy: See the booklet stitcher service manual.

• Code: C846
• Description: Booklet stitcher rear staple motor problem
• Causes: A problem is detected with the saddle rear staple motor.
• Remedy: See the booklet stitcher service manual.

• Code: C847
• Description: Booklet stitcher front staple motor problem
• Causes: A problem is detected with the saddle front staple motor.
• Remedy: See the booklet stitcher service manual.

• Code: C848
• Description: Booklet stitcher thrust motor problem
• Causes: A problem is detected with the saddle thrust motor.
• Remedy: See the booklet stitcher service manual.

• Code: C849
• Description: Booklet stitcher communication error
• Causes: A communication error is detected in the saddle.
• Remedy: See the booklet stitcher service manual.

• Code: C850
• Description: Mailbox drive motor problem • While the mailbox drive motor is driving, synchronization signals do not synchronize continually for 464 ms (motor lockup).
• Causes: Defective mailbox drive motor or mailbox main PCB.
• Remedy: Run a simulation of the mailbox. If there is any problem, replace the mailbox drive motor or the mailbox main PCB and check for correct operation.