Troubleshooting; Paper Feeding Problems - Dell 1815 Mono Laser Service Manual

7
7

7. Troubleshooting

7.1 Paper Feeding Problems

7.1.1 Wrong Print Position
• Description
A defective feed sensor actuator can cause incorrect tim -
ing.
7.1.2 JAM 0
• Description
L S U
Fuser
CR
DR
OPC
EXIT
PR
Sensor
PTL
TR
Empty Sensor
Printing begins when the paper is in the wrong position.
Check and Cause
1. Paper has not exited from the cassette.
2. Jam-0 occurs if the paper feeds into the printer .
Check and Cause
1. Check the Pickup Solenoid by using
Engine Test Mode : Diagnostic Mode.
Toner Cartridge
SR
MP Sensor
Feed
Sensor FR
2. Check if the friction pad is loose in
the paper tray.
3. Check the surface of the roller-pickup
for foreign matter.
4. If continuous clusters occur, check
whether the assembly slot between
shaft-pickup and housing-pickup
become open or is broken away.
5. If the paper feeds into the printer
rand Jam 0 occurs, cheek diagnostic
mode to check feed-sensor of the
engine board.
Solution
Replace the defective actuator
1. Replace the solenoid.
2. Replace the holder pad Assembly or if
necessary.
3. Clean with soft cloth dampened with
IPA(Isopropyl Alcohol) or water.
4. Replace the Roller-Pickup Ass'y.
Troubleshooting
Solution
Service Manual
7-1