Canon EF-9, Service Manual

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III. PAPER TRANSPORT TROUBLESHOOTING
III-1 Multi-feed
<Possible causes>
1. Worn or deformed separation roller
Action: Replace the separation roller.
2. Worn or deformed separation guide
Action: Replace the separation guide.
3. Improper position of the separation guide.
Action: Adjust the space between the separation guide and lower separation roller correct-
ly.
4. Spring pulling the separation roller is defective.
Action: If the spring is out of place, set it in the proper position. Replace it if deformed.
5. Defective torque limiter of the separation roller.
Action: Replace the torque limiter.
III-2 Wrinkles
<Possible causes>
1. Worn or deformed rollers
Action: Check the rollers in the pick-up and feed areas. Replace any worn or deformed
rollers.
III-3 Bent leading edge
<Possible causes>
1. Scarred or deformed feed guide.
Action: Check the paper path and replace the feed guide if scarred or deformed.
3-4 Skew
<Possible causes>
1. Paper dust and dirt are accumulated on the paper path.
Action: Clean the dirty areas.
2) Scarred or deformed rollers
Action: Replace any scarred or deformed rollers in the pick-up and feed areas.
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CHAPTER 4