Davin J012, Service Manual

Page: 169 / 365

2. Replace 1st, 2nd Registration sensors.
3. Replace Multi Bypass Tray.
Jam 7 PFU Paper Transport Jam
Message: Paper Misfeed: Guide Plate
Jam
A paper lag jam occurred when feeding paper from the PFU. The trailing edge sensor
detected the leading edge of the paper but not the trailing edge because the paper
stopped at the trailing edge sensor.
Cause:
• Double-feed
• Incorrect paper detection due to dirt or obstruction on the transfer belt
• No signal from trailing edge sensor
• Trailing edge sensor feeler positioned incorrectly
Problem Site
• Transfer belt unit
• Trailing edge sensor
Action
Perform check, take action in this order:
1. Clean the transport belt.
2. Replace the trailing edge sensor.
3. Replace the PFU.
Jam 8 Multi Bypass Tray Exit Jam
Message: Paper Misfeed: Bypass Tray
Jam
A paper lag jam occurred during paper feed from the Multi Bypass Tray. After the 2nd
Registration sensor detected the leading edge of the paper, it failed to detect the trailing
edge because the paper stopped.
Cause:
• The 2nd Registration sensor failed to signal detection of the trailing edge of the
paper.
Problem Site • 2nd Registration sensor
Action
Perform check, take action in this order:
1. Replace 2nd Registration sensor.
2. Replace CTL board.
4. Troubleshooting
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