Samsung CLP-600 Series, Service Manual

Page: 135 / 255

Samsung Electronics
Service Manual
Troubleshooting
7-12
7.3.6 Paper rolling in the Fuser.
Symptoms
Paper is rolled in the Fuser.
Check and Cause Solution
1. If the Heat Roller is conteminated.
(Background, Hot off set)
2. If “Accordion” folding occurs between the Fuser and
the Exit Unit repeatedly.
3. If the Bearing - Fuser or Gear - Fuser is damaged or
melted by excessive heat.
1. Replace the Fuser.
2. Check if the Paper Guide Ribs on the Exit Unit are
damaged or contaminated, and check the condition
and operation of the Exit Roller.
3. Check the SMPS and Main PBA if the Bearing Gear
is melted.
7.3.5 Multi-Feeding
Symptoms
Multiple sheets of paper are picked up and fed simultaneously.
Check and Cause Solution
1. Check the On/Off operation of the pick-up Solenoid
using the EDC Mode.
2. Check the Friction Pad surface for dirt or other conta-
mination.
3. Check that the paper is not creased, folded or
curved.
4. Check that the Paper Guide in the cassette is properly
adjusted and that paper is poperly loaded.
5. Influence of Static Electricity.
1. Replace the Solenoid, harness or Main PBA.
2. Clean the Pad-Friction using a lint free cloth and
water or IPA.
3. Use fresh paper.
4. Adjust the Paper Guide and load paper under the
Finger.
5. Fan paper before loading to reduce the effects of static
electricity.