Folded Sheets Have Wrinkles; Misfeed Occurs Though Feed Roller Rotates; Double Feed Occurs - Horizon International PF-P280 Service Manual

5. Troubleshooting
B. Folded sheets have wrinkles.
(Cause)
1. Sheets are too thin. (Out of specification)
2. Sheets are curled.
3. Fold rollers are not positioned properly. (Remedy 1)
4. Fold rollers are smeared with ink. (Remedy 2)
5. Fold rollers are deformed because they are worn out. (Remedy 3)
6. Bush plates do not work smoothly. (Remedy 4)
C. Misfeed occurs though feed roller rotates.
(Cause)
1. Sheet is too thick. (Out of specification)
2. Feed roller is worn out. (Remedy 1)
3. Feed roller is deteriorated. (Remedy 1)
4. Feed tray does not operate correctly because
spring is loosen. (Remedy 2)
5. Sheet is caught between feed guides too
tight. (Remedy 3)
6. Feed tray pressure is weak. (Remedy 2)
D. Double feed occurs.
(Cause)
1. Sheet is too thin. (Out of specification)
2. Double feed stop pad is smeared or worn
out. (Remedy 1)
3. Sheets are curled.
4. Sheets stick each other with ink. (Remedy 2)
5. Sheets have static electricity. (Remedy 3)
Smooth Movement
Lubrication
Fulcrum
Bush Plate
(Remedy 1)
Adjust fold rollers in proper position.
(Remedy 2)
Clean fold rollers with alcohol-soaked cloth.
(Remedy 3)
Replace fold rollers.
(Remedy 4)
Check that bush plates are not deformed and
that they operate smoothly. After that lubri-
cate fulcrum of bush plate.
(Remedy 1)
Replace feed roller.
(Remedy 2)
Check the feed tray movement or replace
spring in the feed section.
(Remedy 3)
Adjust feed guides.
(Remedy 1)
Clean double feed stop pad or replace it
with a new one.
(Remedy 2)
Fan sheets well.
(Remedy 3)
Fan sheets well a few minutes later.
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