Samsung SCX4521F Service Manual - Page 99
Bad discharge, JAM 0, Wrong Print Position - pick up roller replacement
UPC - 635753616040
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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