Replacing The Printhead - Canon imageprograf ipf780 User Manual

Replacing the Printhead

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.")
Replacing the Printhead
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
• If the Display Screen indicates "Open top cover and replace the printhead."
• If your Canon dealer has advised you to replace the Printhead
Compatible printheads
For information on compatible printheads, see "Printhead."
Precautions when handling the Printhead
Take the following precautions when handling the Printhead.
• For safety, keep the Printhead out of the reach of children.
• If ink is accidentally ingested, contact a physician immediately.
Caution
• Do not touch the Printhead immediately after printing. The Printhead becomes extremely hot, and there is a risk of
burns.
• There may be ink around the nozzles of the Printhead you remove. Handle the Printhead carefully during replace-
ment. The ink may stain clothing.
Important
• Do not open the Printhead pouch until immediately before installation. After removing the Printhead from the
pouch, install it right away. If the Printhead is left after the pouch is opened, the nozzles may dry out, which may
affect printing quality.
Access the menu for Printhead replacement
• When replacing the Printhead immediately after printing, wait a few minutes before replacing it. The metal parts of
the Printhead become hot during printing, and there is a risk of burns from touching these parts.
Caution
• Your hands may become dirty during Printhead replacement. Use the gloves provided with the new Printhead for
replacement.
Important
502
• Prepare a new Ink Tank when ink levels are low.
Note
P.500
➔
P.500
➔
iPF780
User's Guide