Canon iP2800 series Online Manual page 184

When performing duplex printing, the inside of the printer may become stained with ink, causing the printout to
become smudged.
Perform the Bottom Plate Cleaning to clean the inside of the printer.
Cleaning Inside the Printer
Note
• To prevent the inside of the printer from stains, set the paper size correctly.
Set the time to dry the printed surface longer.
Check8
Doing so gives the printed surface enough time to dry so that paper smudged and scratched are prevented.
1. Make sure that the printer is turned on.
2. Open the Canon IJ Printer Utility.
Opening the Canon IJ Printer Utility
3. Select Custom Settings in the pop-up menu.
4. Drag the Ink Drying Wait Time: slide bar to set the wait time, and then click Apply.
5. Confirm the message and click OK.
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