Canon imagePROGRAF iPF750 Basic guide No.3 Uživatelský manuál Strana 649

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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 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”. (→P .630)
Precautions when handling the Printhead
T ake the following precautions when handling the Printhead .
Caution
For safety , keep the Printhead out of the reach of 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
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 af fect printing quality .
Maintenance 633
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