Canon PIXMA iP4820 On-Screen Manual - Page 369

Cleaning Inside the Printer Page 369 of 468 pages Advanced Guide > Maintenance > Performing Maintenance from a Computer > Cleaning Inside the Printer P030 Cleaning Inside the Printer Perform bottom plate cleaning before you execute duplex printing to prevent smudges on the back side of the paper. Also perform bottom plate cleaning if ink smudges caused by something other than print data appear on the printed page. The procedure for performing bottom plate cleaning is as follows: Bottom Plate Cleaning 1. Open the printer driver setup window 2. Click Bottom Plate Cleaning on the Maintenance tab The Bottom Plate Cleaning dialog box opens. 3. Load paper in the printer As instructed in the dialog box, fold the A4 size or Letter size plain paper in half horizontally, and then unfold the sheet. Load the paper into the rear tray in the portrait orientation with the crest of the crease facing down. 4. Perform the bottom plate cleaning Make sure that the printer is on and click Execute. Bottom plate cleaning starts. Page top