Samsung SCX4521F Service Manual - Page 99

Bad discharge, JAM 0, Wrong Print Position - pick up roller replacement

Page 99 highlights

Troubleshooting 6.2 Bad discharge 6.2.1 Wrong Print Position • Description Printing begins at wrong position on the paper. Check and Cause Wrong sense time caused by defective feed sensor actuator. Solution Replace the defective actuator 6.2.2 JAM 0 • Description 1. Paper is not exited from the cassette. 2. Jam-0 occurs if the paper feeds into the printer. BIN PATH Check and Cause 1. Check the Solenoid by using Engine Test Mode-Pick up Test. Solution 1. Replace the solenoid. 2. Check if the pad is loose due to bad sealing of the side-pad. 2. Replace the side-pad Assembly L or R, if necessary. 3. Check the surface of the roller-pickup for foreign matter. 3. Clean with soft cloth dampened with IPA(Isopropyl Alcohol) or water. 4. If the paper feeds into the printer rand Jam 0 occurs, perform Engine Test Mode-Feed Sensor Test. 4. Replace the SMPS, HVPS or Sensor. 6-4 Service Manual Samsung Electronics

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Samsung Electronics
Service Manual
Troubleshooting
6-4
• Description
Printing begins at wrong position on the paper.
Check and Cause
Solution
Wrong sense time caused by defective feed sensor
actuator.
Replace the defective actuator
Check and Cause
Solution
1. Check the Solenoid by using Engine Test Mode-Pick
up Test.
2. Check if the pad is loose due to bad sealing of the
side-pad.
3. Check the surface of the roller-pickup for foreign mat-
ter.
4. If the paper feeds into the printer rand Jam 0 occurs,
perform Engine Test Mode-Feed Sensor Test.
1. Replace the solenoid.
2. Replace the side-pad Assembly L or R, if necessary.
3. Clean with soft cloth dampened with IPA(Isopropyl
Alcohol) or water.
4. Replace the SMPS, HVPS or Sensor.
6.2.2
JAM 0
• Description
1. Paper is not exited from the cassette.
2. Jam-0 occurs if the paper feeds into the printer.
BIN PATH
6.2
Bad discharge
6.2.1
Wrong Print Position