Canon PIXMA MG2525 All-in-One Inkjet Printer (Black) - Manual (Page 86)

Cleaning Inside the Machine
To prevent smudges on the back side of the paper, perform bottom plate cleaning.
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. Select Cleaning from the pop-up menu on the Canon IJ Printer Utility
2. Click the Bottom Plate Cleaning icon
The dialog opens.
3. Load paper in the machine
As instructed in the dialog, 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 machine is on and then click OK .
Bottom plate cleaning starts.
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