Canon LBP-800, Руководство по обслуживанию

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IV. TRANSPORT TROUBLESHOOTING
Perform troubleshooting according to the malfunction diagnosis flowchart (Figure 4-1-1). If a
“transport defect” is found, the defective part must be located and rectified by the following pro-
cedure.
IV-1. Multiple feed
<Possible causes>
1) Worn or dirty separation pad surface
Action: Clean the separation pad surface if dirty. Replace the separation pad if worn.
2) Defective separation pad spring
Action: Set the spring in the right position if out of position. Replace the spring if deformed.
3) Worn or dirty sub pad surface
Action: Clean the sub pad surface if dirty. Replace the sub pad if worn.
IV-2. Wrinkles/Folded leading edge
<Possible causes>
1) Paper dust and dirt accumulated on the pick-up roller, feed roller, and paper guide
Action: Clean the dirty areas.
2) Dirty fixing unit entrance guide and pressure roller
Action: Clean the fixing unit entrance guide and pressure roller.
3) Scarred or deformed fixing film unit
Action: Replace the unit if scarred or deformed.
4) Scarred or dirty paper guide
Action: Check the paper path. Replace any scarred or deformed guide(s).
IV-3. Skew
<Possible causes>
1) Paper dust and dirt accumulated on the pick-up roller, feed roller, and paper guide
Action: Clean the dirty areas.
2) Scarred or deformed feed roller
Action: Replace the roller if scarred or deformed.
3) Scarred or dirty paper guide
Action: Check the paper path. Replace any scarred or deformed guide(s).
CHAPTER 4
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