TroubleShooting
Page48
FOLDING
Machinewillnotstart
CrackingofthePrintedMaterialalongtheCrease.
Checkthepowersupplytothemachine.
Checkthattheemergencystopbuttonhasbeenreleased.
Checkthatthetopcoverisdown.
Checkthattheperforatorassemblyisinitsclosedposition.
Checkthatthedeliveryunitisintheupposition,andlocatedcorrectly,(themachine
willnotstartifthedeliveryunitisnotinitsupposition).
Checkthattheairdistributionhasbeencorrectlyset.
Checkthattheairseparationhasbeensethighenoughtofeedthesheets.
Forheavystocks,verysmallorverylargesheets,embossedorevenirregularstock,
itmaybenecessarytofeedthesheetsmanually-seepage31.
Crackingofthematerialalongthecreasemaybecausedbythefollowing:-
Pressuretooheavyonthetopblade-reducepressure.
Crackingononeedgecausedbymisalignmentoftheanvilandblade.
Papernotfeeding
Checkthatthepaperstackisnottoohighortooheavyforthefeeder.Theheightof
thepaperstackshouldbedefinedbytheweightandthesizeofthestockbeing
creased.
Ensurethattheadjustablesidelayisnotpressedagainstthepaperstack.However,if
theclearancebetweentheadjustablesidelayandthepaperstackistoogreat,the
airsupplywillescapeinsteadofblowingthroughthepaperthusmakingitdifficultto
feed.
Checkthattheclearancebetweenthepapergateandthesuctionrollerisnotsettoo
low.
Ondigitalmedia,thefeedingperformancemaybeimprovediftheleadingedgeofthe
stackistrimmedbeforeloadingontotheDigifold.
Whenusingdryinkortonerbasedprintengines,thematerialbefully
acclimatisedforatleast48hoursbeforeputtinganimageontothepaper.
must