Canon imagePROGRAF iPF815 MFP M40 - Manual (Page 23)

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If the Platen inside the Top Cover becomes dirty, it may soil the underside of paper. We recommend cleaning the
Platen after borderless printing or printing on small paper. •
If the Ejection Guide is dirty, it may soil the edge of the paper when the paper is cut. We recommend cleaning the
Ejection Guide even if it does not appear dirty, because it may actually be covered with paper dust. •
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2
Clean inside the Top Cover to maintain better printing quality and help prevent problems.
Also clean inside the Top Cover in the following situations to ensure optimal operation.
Open the Top Cover .
If paper dust has accumulated in the Vacuum holes (a)
on the Platen or in the Borderless Printing Ink Grooves
(b), use the Cleaning Brush (c) provided with the printer
to wipe it away.
If the printed surface or the underside of paper is dirty after printing •
After you have used up a roll •
After borderless printing •
After printing on small paper •
If you have replaced the roll •
After printing on paper that generates a lot of cutting debris •
After printing on paper that generates a lot of paper dust •
If the message Blue platen switch is dirty. is displayed •
If Paper is Soiled
Clean inside the top cover of the printer as follows.
c
b a