Printheads; Printhead; Checking For Nozzle Clogging - Canon iPF840 User Manual

iPF840

Printheads

Printheads

Printhead ........................................................................................................................................................ 577

Checking for Nozzle Clogging ......................................................................................................................... 577

Cleaning the Printhead ................................................................................................................................... 578
Replacing the Printhead ................................................................................................................................. 579
Printhead
Printhead
When purchasing, check the Model number.
•
For instructions on replacing the Printhead, see "Replacing the Printhead."
Note
Checking for Nozzle Clogging
Checking for Nozzle Clogging
If printing is faint or affected by banding in different colors, make sure the Printhead nozzles are clear by printing a
test pattern to check the nozzles.
•
By default, nozzles are checked at fixed intervals.
Configure the settings on the Control Panel menu in Nozzle Check.
Note
(See "Menu Settings.")
Paper to Prepare
When Using Rolls An unused roll at least 254.0 mm (10.00 in) wide
When Using Sheets One sheet of unused paper of at least A4/Letter size
1
Load paper.
Attaching the Roll Holder to Rolls
•
• Loading Rolls in the Printer
• Loading Sheets in the Printer
2
On the Tab Selection screen of the Control Panel, press ◀ or ▶ to
select the Settings/Adj. tab (
•
If the Tab Selection screen is not displayed, press the Menu button.
Note
User's Guide
Shape
P.445
➔
P.342
➔
P.345
➔
P.369
➔
).
Model number
PF-04
P.579
➔
Printhead
577