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Chapter5TroubleGuide
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3. Handling of Abnormal Fold
Depending on the paper characteristics, etc., the paper may sometimes not fold correctly. In this case, check
the following points.
• Donotusepaperoutsideofspecications.
This often happens particularly when using
thinpaperlackingstiness.
• Whenabnormalfoldingoccurswiththinpaper
lackingstiness,lowertheprocessingspeed.
• Carefullyseparatethepaperbeforestackingit.
• Checkwhetherthefoldingplateiscorrectly
attached.
• Becausethereisapossibilityofstaticelectricityoccurringinthepaper,useastaticelectricityremoval
spray, available on the market, on the rubber roller.
4. Handling of Mis-Feed
• Increasethepaperfeedpressure.
Checkthepaperfeedstateofthepaper,andraisethepaperfeedpressureadjustmentleverbyonestep
at a time.
DF-870
DF-850
• Beforestacking,carefullyseparatethepaper.
• Reducethepaperstackingvolume.