Cannot Close The Process Unit; Productivity Decrease At Stack Delivery In Thin Paper (52G/M2 63G/M2) Mode < Staple Finisher C1/Saddle Stitch Finisher C1> - Canon imageRUNNER ADVANCE C5045 Series Service Manual

CannotclosetheProcessUnit
[Location]
ProcessUnit
[Cause]
IfthemainpowerswitchisturnedOFFjustafterthecopyoperation(approx.within5
seconds)andtheProcessUnitisopened,theLaserShutterMaynotbeclosed.
Asaresult,therearsideofProcessUnitandtheLaserShutterinterfereeachotherwhenthe
UnitisclosedandtheProcessUnitcannotbeinstalledtothehostmachine.
[OccurrenceCondition]
IfthemainpowerswitchisturnedOFFjustafterthecopyoperation(approx.within5
seconds)orifthepowerplugisdisconnectedwithoutturningOFFthemainpowerswitch.
[FieldRemedy]
ProcessUnitcanbeinstalledtothehostmachinebystronglypushingit.
However,iftheUnitisinstalledtothehostmachinewithbruteforce,itmaydamageother
parts.Thus,besuretofollowthebelowoperationprocedure.
1)TurnOFF/ONthemainpowerswitch.(LaserShutterisclosedautomatically.)
2)WhiletheProcessUnitremainspulledout,makesurethattheLaserShutterissurely
closed.Atthistime,donotputyourhandsinsidethemachine.
3)TurnOFFthemainpowerswitchandinstalltheProcessUnittothehostmachine.
Productivitydecreaseatstackdeliveryinthinpaper(52g/m2~
63g/m2)mode<StapleFinisherC1/SaddleStitchFinisherC1>
[Location]
ProcessTrayontheStapleFinisherC1/SaddleStitchFinisherC1
[Cause]
Whenthethinpaper(52g/m2to63g/m2)isselectedandthepaperstackisdeliveredfrom
the corresponding finisher, electrostatic is generated under the low humidity environment
becausethepaperisfractionedintheProcessTraycausingpaperattraction.Asaresult,
alignmentfailuremayoccur.
Toavoidthis,theelectrostaticispreventedfrombeinggeneratedbydeceleratingthefeed
speedincaseofforegoingcondition.
6

6 
[Occurrencecondition]
Thispaper(52g/m2to63g/m2)isselectedandthepaperstackisdeliveredfromthe
corresponding finisher.
[FieldRemedy]
Changethepaperselectiontoplainpaper1(64g/m2~81g/m2)anddeliverthepaperstack.
Approx.19%ofproductivitycanbeenhanced(inthefollowingcondition).
Condition:A4paperand10sheetsstackdelivery(1-pointstaple)
[Noteatoperation]
Feed speed is enhanced when the plain paper 1 (64g/m2 ~ 81g/m2) is specified for paper
selection.
However,thepossibilitytogeneratetheelectrostaticisalsoincreasedwhenthefeedspeedis
enhancedanditmaycausethealignmentfailure.
Ifsuchacase,changethepaperselectiontothinpaper(52g/m2~63g/m2).
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