J007/J010/J011 28 Repair Center Manual
Paper transport jam – PFU (Tray 2)
Description: After the trailing edge sensor detected the trailing edge of the paper fed from
the PFU, the paper stopped at the trailing edge sensor.
Probable Cause: One or more of the following:
Double feed
Dirt, other foreign matter detected on transport belt
The signal of the trailing edge sensor did not change
The feeler of the trailing edge sensor did not return to its home position properly
Location: Transport unit, trailing edge sensor
Service Center Procedure:
1. Confirm that rear paper guide is set correctly.
2. Remove paper cassette Tray 1 and confirm that there is no paper in the printer.
3. Confirm that the paper is not curled.
4. Confirm that the type of paper can be used with the printer.
Replacement Procedure:
1. Clean transport belt.
2. Replace TE sensor.
3. Replace Tray 2.
PFU (Tray 2)
Description: After paper was fed from the PFU (Tray 2), the trailing edge sensor detected
the trailing edge and switched ON but the registration sensors failed to detect the paper.
Probable Cause: Sensor signals did not change.
Location: Trailing edge sensor
Service Center Procedure:
1. Confirm that rear paper guide is set correctly.
Replacement Procedure:
1. Replace inverter guide.
2. Replace TE sensor.
3. Replace control board.
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