Canon imagePROGRAF iPF770 MFP M40 User Guide - Page 503

Cleaning the Printhead, Test Print, Nozzle Check, Head Cleaning A, Tab Selection screen

Page 503 highlights

iPF770 4 Press ▲ or ▼ to select Test Print, and then press the OK button. 5 Press ▲ or ▼ to select Nozzle Check, and then press the OK button. The printer now prints a test pattern for checking the nozzles. 6 Check the printing results. If the horizontal lines are not faint or incomplete, the nozzles are clear. Cleaning the Printhead If some sections of the horizontal lines are faint or incomplete, the nozzles for those colors are clogged. If horizontal lines are faint or incomplete, follow the steps below and check again for nozzle clogging. 1. Clean the Printhead. (See "Cleaning the Printhead.") ➔P.503 2. Print a test pattern to check the nozzles. • If you repeat these steps several times but the horizontal lines are still faint or incomplete, the Printhead may have Note reached the end of its useful life. Contact your Canon dealer for assistance. Maintenance and Consumables Printheads Cleaning the Printhead If printing is faint, cleaning the Printhead may improve results. Choose one of two Printhead cleaning modes ( Head Cleaning A or Head Cleaning B ), depending on the problem to resolve. • Head Cleaning A Use this mode if printing is faint or contains foreign substances. This method of cleaning consumes the least amount of ink. It takes about three minutes to complete. • Head Cleaning B Use this mode if no ink is ejected at all, or if Head Cleaning A does not solve the problem. It takes about three and a half minutes to complete. • Do not remove the Maintenance Cartridge or ink tanks during either Head Cleaning A or Head Cleaning B. Important Ink may leak or an error may occur. • If printing does not improve even if you execute 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. • By default, nozzles are checked at fixed intervals. Note Configure the settings on the Control Panel menu in Nozzle Check. (See "Menu Settings.") ➔P.416 Perform cleaning as follows. 1 On the Tab Selection screen of the Control Panel, press ◀ or ▶ to select the Settings/Adj. tab ( ). 503 • If the Tab Selection screen is not displayed, press the Menu button. Note User's Guide

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4
Press
or
to select
Test Print
, and then press the
OK
button.
5
Press
or
to select
Nozzle Check
, and then press the
OK
button.
The printer now prints a test pattern for checking the nozzles.
6
Check the printing results.
If the horizontal lines are not faint or incomplete, the nozzles
are clear.
If some sections of the horizontal lines are faint or incomplete,
the nozzles for those colors are clogged.
If horizontal lines are faint or incomplete, follow the steps be-
low and check again for nozzle clogging.
1.
Clean the Printhead.
(See "Cleaning the Printhead.")
P.503
2.
Print a test pattern to check the nozzles.
Note
If you repeat these steps several times but the horizontal lines are still faint or incomplete, the Printhead may have
reached the end of its useful life. Contact your Canon dealer for assistance.
Cleaning the Printhead
Cleaning the Printhead
If printing is faint, cleaning the Printhead may improve results.
Choose one of two Printhead cleaning modes (
Head Cleaning A
or
Head Cleaning B
), depending on the prob-
lem to resolve.
Head Cleaning A
Use this mode if printing is faint or contains foreign substances. This method of cleaning consumes the least
amount of ink.
It takes about three minutes to complete.
Head Cleaning B
Use this mode if no ink is ejected at all, or if
Head Cleaning A
does not solve the problem.
It takes about three and a half minutes to complete.
Important
Do not remove the Maintenance Cartridge or ink tanks during either
Head Cleaning A
or
Head Cleaning B
.
Ink may leak or an error may occur.
If printing does not improve even if you execute
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 Can-
on dealer for assistance.
Note
By default, nozzles are checked at fixed intervals.
Configure the settings on the Control Panel menu in
Nozzle Check
.
(See "Menu Settings.")
P.416
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.
iPF770
Cleaning the Printhead
User's Guide
Maintenance and Consumables
Printheads
503