Canon MP490 series Manual de Instruções Página 75

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Advanced Guide
Troubleshooting
Contents
>
Routine Maintenance
>
When Printing Becomes Faint or Colors Are Incorrect
> Cleaning the Print Head
Deeply
Cleaning the Print Head Deeply
If print quality does not improve by the standard cleaning of the Print Head, clean the Print Head deeply.
Cleaning the Print Head deeply consumes more ink than the standard cleaning of the Print Head, so
clean the Print Head deeply only when necessary.
You need to prepare: a sheet of A4 or Letter-sized plain paper
1.
Make sure that the power is turned on.
2. Clean the Print Head deeply.
(1)
Press the
Menu
button.
(2)
Select Maintenance, and press the
OK
button.
(3)
Select Deep cleaning, and press the
OK
button.
The confirmation screen will appear.
(4)
Select Yes, and press the
OK
button.
The machine starts cleaning the Print Head deeply.
Do not perform any other operations until the machine completes the deep cleaning of the Print Head. This
takes about 2 minutes.
The pattern print confirmation screen will appear.
3.
Print the nozzle check pattern.
(1)
Select Yes, and press the
OK
button.
(2)
Confirm the displayed message, and load a sheet of A4 or Letter-sized plain
paper.
(3)
Open the Paper Output Tray gently, and open the Output Tray Extension.
(4)
Press the
OK
button.
The nozzle check pattern will be printed and the screen will return to the Maintenance screen.
Note
To perform other functions, select the desired menu on the top menu screen displayed by
pressing the
Back
or
Menu
button.
4.
Examine the nozzle check pattern.
Page 75 of 726 pagesCleaning the Print Head Deeply
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