Trouble Shooting
21
3-1 Trouble Shooting
Measure
Cause
1. Sheets stick each other due to static
electricity or ink.
1. Fan well sheets.
Measure
1. Open cover and remove sheet. (Refer to
"4-3 Removal of Jammed Sheet" in Page
28.)
2. Check whether stopper position is prop-
erly adjusted.
Cause
1. Fold rollers are deformed by friction
after long time use.
2. Sheets contain too much moisture.
3. Fold rollers are smeared with ink.
Measure
1. Replace fold roller. (Refer to "4-3 Fold
Roller Replacement" in Page 28.)
2. Dry sheets before fold.
3. Clean fold rollers, or replace them.
Cause
1. Sheet is jammed inside of machine or in
delivery section.
Symptom 3 : Folded sheet is stained with ink.
Cause
1. Feed roller, double feed stop pad or fold
rollers are stained with ink.
Measure
1. Clean feed roller, double feed stop pad
or fold rollers with alcohol or cleaning
liquid soaked cloth. (Refer to "4-1 Feed
Roller / Double Feed Stop Pad Replace-
ment" in Page 25, or "4-2 Fold Roller
Replacement" in Page 26, 27.)
Symptom 4 : Double Feed or Misfeed occurs.
Cause
1. Feed roller or double feed stop pad is
worn out.
2. Feed roller or double feed stop pad is
dirty with dust.
Measure
1. Replace feed roller or double feed stop
pad. (Refer to "4-1 Feed Roller / Double
Feed Stop Pad Replacement" in Page 24,
25.) Feed roller and double feed stop pad
should be replaced every 150,000 to
300,000 folds.
2. Clean it.
Symptom 5 : Sheet is jammed.
Symptom 6 : Folded sheet are crinkled.
Symptom 2 : Double Feed occurs.