Replacing the printhead, See "replacing the printhead, P.741 – Canon imagePROGRAF iPF750 MFP M40 User Manual

Page 757

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Caution

Do not remove the Maintenance Cartridge or ink tanks during either Head Cleaning A or Head Cleaning B.

Note

If printing does not improve after Head Cleaning B, try repeating Head Cleaning B once or twice. If this

still does not improve printing, the Printhead may have reached the end of its useful life. Contact your Canon
dealer for assistance.

Nozzles are periodically checked to ensure they are clear. Configure the settings on the Control Panel menu

in Nozzle Check. (See "Menu Settings.")

→P.673

Perform cleaning as follows.

1.

On the Tab Selection screen of the Control Panel, press ◀ or ▶ to select the Settings/Adj. tab (

).

Note

If the Tab Selection screen is not displayed, press the Menu button.

2.

Press the OK button.
The Set./Adj. Menu is displayed.

3.

Press or to select Maintenance, and then press the OK button.

4.

Press or to select Head Cleaning, and then press the OK button.

5.

Press or to select Head Cleaning A or Head Cleaning B, and then press the OK button.
Head cleaning is now executed.

6.

Print a test pattern to check the nozzles, and determine whether cleaning has cleared the nozzles. (See "Checking
for Nozzle Clogging.")

→P.739

Replacing the Printhead

When to replace the Printhead

Replace the Printhead in the following situations.

If the printing quality does not improve even after one or two cycles of Head Cleaning B from the printer

menu

Maintenance and Consumables

>

Printheads

>

iPF750

Replacing the Printhead

10

741

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