Canon imagePROGRAF iPF750 [757/878] When to replace the printhead

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

Maintenance and Consumables

Printheads

iPF750

Replacing the Printhead

741