14 June, 2002
MECHANICAL PROBLEMS
4-19
Trouble-
shooting
2. Jam - Inside and Exit
Possible Cause:
•
Use of a non-recommended type of paper.
•
Obstruction in the paper path.
•
The exit sensor is defective.
•
Malfunction in the AIO cartridge drive mechanism.
•
Malfunction in the fusing drive mechanism.
•
Malfunction in the hot roller stripper(s) mechanism.
•
Malfunction in the pressure mechanism in the fusing unit.
Action:
1. Check whether a correct type of paper is being used.
2. Check for obstructions in the paper path.
3. Check that the exit sensor is working correctly.
4. Check all the gears in the fusing drive mechanism.
5. Check that the exit sensor is working correctly.
6. Check that the main motor is working correctly.
7. Check the hot roller strippers and the pressure mechanism in the fusing unit.
3. Skew
Possible Cause:
•
Use of a non-recommended type of paper.
•
Incorrect positioning of the paper guides in the paper cassette.
•
The separation pad is out of position.
•
The paper feed roller is worn out or damaged.
•
Obstruction in the paper path.
•
Malfunction in the registration mechanism.
Action:
1. Check whether a correct type of paper is being used.
2. Check that the paper guides and the end fence are set correctly.
3. Check if the paper feed roller is installed correctly and clean. Replace if
necessary.
4. Check for obstructions in the paper path.
5. Check the registration mechanism and clean or replace the rollers if necessary.
