Canon PIXMA MP470 series Quick Start Manual page 58

• Cleaning the Inside of the Machine (Bottom plate cleaning)
This section describes how to clean the inside of the machine. If the inside of the machine
becomes dirty, printed paper may get dirty, so we recommend performing cleaning regularly.
~ Important
Do not perform any other operation while the bottom plate is being cleaned.
1
Make sure that the machine is turned on, then remove any paper from the Rear
Tray.
2
Open the Paper Output Tray, then open the Output Tray Extension.
3
Fold a single sheet of A4 or Letter-sized plain paper in half widthwise, and then
unfold the paper.
4
Load this and only this sheet of paper in the
Rear Tray with the open side to the front.
Set the Paper Thickness Lever to the left. For
details on the Paper Thickness Lever, refer to
"Inside" in "Main Components" of the User's Guide
on-screen manual.
5
Perform bottom plate cleaning.
(1) Press the Menu button.
(2) Use the .. or • button to select Maintenance/
settings, then press the OK button.
The Maintenance/settings screen is
displayed.
(3) Use the .. or • button to select Maintenance, (A) Load the paper after unfolding it.
then press the OK button.
The Maintenance screen is displayed.
(4) Use the" or ... button to select Bottom plate cleaning, then press the OK button.
The confirmation screen is displayed.
(5) Use the" or ... button to select Yes, then press the OK button.
The paper cleans the inside of the machine as it feeds through the machine.
Check the folded part of the ejected paper. If it is smudged with ink, perform Bottom Plate
Cleaning again.
If the problem is not resolved after performing cleaning again, the protrusions inside the machine
may be stained. Clean them according to instructions. See "Cleaning the Protrusions Inside the
Machine" on page 55.
~ Note
When performing Bottom Plate Cleaning again, make sure to use a new piece of paper.
54 Routine Maintenance