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38 Routine Maintenance
Print Head Deep Cleaning
If print quality does not improve by standard Print Head Cleaning, try Print Head Deep Cleaning,
which is a more powerful process. Note that cleaning the Print Head causes used ink to be absorbed
in the ink absorber. Print Head Deep Cleaning consumes more ink than standard Print Head
Cleaning, so perform this procedure only when necessary.
1 With the printer on, load a sheet of A4 or Letter-sized plain paper in the Auto Sheet
Feeder.
Set the Paper Thickness Lever to the left.
2 Open the Front Feeder and extend the Output Paper Support.
3 Open the printer properties dialog box.
4 Start Print Head Deep Cleaning.
(1) Click the Maintenance tab.
(2) Click Deep Cleaning.
(3) Select the ink group to be deeply cleaned.
(4) Click Execute.
(5) When the confirmation message is displayed,
click OK.
Print Head Deep Cleaning starts when the
POWER lamp starts flashing green.
Do not perform any other operations until Print Head Deep Cleaning finishes. This takes
about 100 seconds.
5 Check the condition of the Print Head.
(1) Print the nozzle check pattern to check the print head condition.
See “Printing the Nozzle Check Pattern” on page 32.
If a particular color is not printed properly, replace the ink tank of that color.
See “Replacing an Ink Tank” on page 22.
(2) If the print head nozzles are still not clean, turn off the printer and perform another Print
Head Deep Cleaning after 24 hours.
(3) If this does not solve the problem, the Print Head may be damaged. Contact your Canon
service representative.
Note
Clicking Initial Check Items displays the items to
be checked before deep cleaning.
(3)
(4)