Canon imagePROGRAF iPF850 User Guide - Page 587

Replacing the Printhead, Tab Selection screen, Set./Adj. Menu, Maintenance, Head Cleaning

Page 587 highlights

iPF850 Replacing the Printhead • If the Tab Selection screen is not displayed, press the Menu button. Note 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.585 Maintenance and Consumables 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 Printheads Compatible printheads For information on compatible printheads, see "Printhead." ➔P.585 Precautions when handling the Printhead Take the following precautions when handling the Printhead. • For safety, keep the Printhead out of the reach of children. Caution • 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. • There may be ink around the nozzles of the Printhead you remove. Handle the Printhead carefully during re- Important placement. 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. Access the menu for Printhead replacement • When replacing the Printhead immediately after printing, wait a few minutes before replacing it. The metal parts of Caution the Printhead become hot during printing, and there is a risk of burns from touching these parts. 587 • Your hands may become dirty during Printhead replacement. Use the gloves provided with the new Printhead for Important replacement. • Prepare a new Ink Tank when ink levels are low. Note • When the remaining capacity of Maintenance cartridge is low, prepare a new Maintenance cartridge. User's Guide

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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.585
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
."
P.585
Precautions when handling the Printhead
Take 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 re-
placement. 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.
Access the menu for Printhead replacement
Caution
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.
Important
Your hands may become dirty during Printhead replacement. Use the gloves provided with the new Printhead for
replacement.
Note
Prepare a new Ink Tank when ink levels are low.
When the remaining capacity of Maintenance cartridge is low, prepare a new Maintenance cartridge.
iPF850
Replacing the Printhead
User's Guide
Maintenance and Consumables
Printheads
587