Davin J012, Service Manual

Page: 171 / 365

Message: Paper Misfeed: Inverter Guide Plate
Jam
A paper late jam occurred while printing the 2nd side of a duplex print or inverting
paper. The trailing edge sensor detected the leading and trailing edge of the paper
but the registration sensors failed to detect the paper because it stopped. (The
registration sensor did, however, detect the leading edge of the inverted paper from
the duplex unit.)
Cause: • The registration sensors failed to signal detection of the paper.
Problem Site
• Trailing edge sensor
• 1st Registration sensor
• 2nd Registration sensor
• CTL board
Action
Perform check, take action in this order:
1. Replace the inverter guide plate.
2. Replace the trailing edge sensor.
3. Replace 1st, 2nd Registration sensors.
4. Replace the CTL board.
Jam 12 Initial Jam
Message: Paper Misfeed: Inverter Guide Plate
Jam
The trailing edge sensor switches ON when the printer is switched on or while printer
is initializing.
Cause:
• The trailing edge sensor does not change (go OFF).
• Paper feed clutch remains ON.
Problem Site
• Trailing edge sensor
• Paper feed clutch
Action
Perform check, take action in this order:
1. Clean the transfer belt.
2. Replace inverter guide plate.
3. Replace trailing edge sensor.
4. Replace 1st Registration sensor.
5. Replace 2nd Registration sensor.
4. Troubleshooting
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