Canon iPF720 - imagePROGRAF Color Inkjet Printer, User Manual

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Printheads
Replacing the Printhead
When to replace the Printhead
Replace the Printhead in the following situations.
•
If the printing quality does not improve even after 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 Printhead
For information on the compatible Printhead, see “Printhead”. (→P.515)
Precautions when handling the Printhead
Take the following precautions when handling the Printhead.
Caution
•
For safety, keep the Printhead in a place inaccessible for children.
•
If ink is accidentally ingested, contact a physician immediately.
•
Do not touch the Printhead immediately after printing. The Printhead becomes extremely hot, and
there is a risk of burns.
Important
•
Avoid dropping or shaking the Printhead. Otherwise, ink may leak and cause stains.
•
There may be ink around the nozzles of the Printhead you remove. Handle the Printhead carefully
during replacement. The ink may stain clothing.
•
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.
•
If you need to store a Printhead temporarily before installation, do not keep the nozzles and metal
contacts (→P.522) facing down. If the nozzles or metal contacts are damaged, it may affect the
printing quality.
•
Never attempt to take apart or modify a Printhead. This may damage the printer.
•
Never touch the Printhead nozzles or the metal contacts. This may cause printing problems.
518 Maintenance