Davin J012, Service Manual

Page: 172 / 365

6. Replace CTL board.
Jam 13 Carriage Jam
Message: Paper Misfeed: Upper Cover
Jam The carriage was prevented from reaching its target position within the prescribed time.
Cause:
• A piece of paper or other object is obstructing the movement of the carriage.
• A piece of paper or other object is obstructing the paper path.
• The horizontal film encoder is dirty, slack, buckled, or damaged.
• Horizontal feed motor belt is loose or broken.
Problem Site
• Horizontal encoder film strip
• Horizontal feed motor belt
• CTL board
Action
Perform check, take action in this order:
1. Clean the horizontal encoder film strip.
2. Inspect the path of the carriage and remove any jammed paper, paper scraps,
or other objects.
3. Replace the horizontal encoder film strip.
4. Replace the CTL board.
Jam 14 Abnormal Paper Transport Sequence
Message: Paper Misfeed: Inverter Guide Plate
Jam
The registration sensors detected the paper before the PFU relay sensor signaled
detection of the leading edge.
Cause: • The registration sensor signals did not change.
Problem Site
• 1st Registration sensor
• 2nd Registration sensor
Action
Perform check, take action in this order:
1. Clean the transfer belt.
2. Replace the 1st Registration sensor.
3. Replace the 2nd Registration sensor.
SC Error Codes
171
4