Canon Imageprograf Ipf825 Mfp M40 User Guide

Checking Ink Tank Levels
On the Display Screen, you can check how much ink is left in the Ink Tank.
The Display Screen indicates the remaining ink levels, unless an error message is displayed. During error messages, press the 
Information button to view the ink levels on the Display Screen.These levels shown on the Display Screen correspond to the inks identified by the Color Label on the bottom of the Display
Screen.
These symbols may be displayed above the ink level: 
! if ink is low, × if no ink is...

If a message for checking the ink is shown on the Display Screen
When there is little ink left, the Message lamp is lit and " Ink Level: Check" is shown on the Display Screen. You can
continue to print, but prepare to replace the Ink Tank.  (See "Checking Ink Tank Levels.") →P.815
Before print jobs and maintenance that consume a lot of ink
If little ink is left, there may not be enough for large-format printing, head cleaning, and maintenance, which require a lot of
ink. In this case,...

Printheads
Printhead ......................................................................................................................................................... 817
 
Checking for Nozzle Clogging ......................................................................................................................... 817
Cleaning the Printhead .................................................................................................................................... 819
Replacing the...

2.
Press the Menu button to display  MAIN MENU.3.
Press ▲ or ▼  to select Test Print , and then press the ▶ button.
4. Press  ▲ or ▼ to select  Nozzle Check, and then press the ▶ button.
5. Press ▲ or ▼  to select Yes, and then press the  OK button.
The printer goes online and prints a test pattern.
6. Check the printing results.
The 
Printhead  L  prints  the  test  pattern  for  nozzle  checking  on  the  top  line  in  each  color,  and  the  Printhead  R  prints
the test pattern on the bottom line....

Cleaning the Printhead
Cleaning the Printhead may help clear nozzles that are clogged.
Choose one of two Printhead cleaning modes (  Head Cleaning A or Head Cleaning B ), depending on the problem to
resolve. Note
• You can  specify  a  number  of  pages  in  the  printer's  Noz.  Check  Freq.  menu  for  automatic  nozzle  checking
and cleaning every time you finish printing that quantity.   (See "Main Menu Settings.") →P.722
• You can start  Head Cleaning A by holding down the Information...

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.817
Precautions when handling the Printhead...

2.
Clean inside the Top Cover.   (See "Cleaning Inside the Top Cover .") →P.837
3. Press the Menu button to display  MAIN MENU. 4.
Press  ▲ or ▼  to select  Maintenance, and then press the ▶ button.
5. Press  ▲ or ▼  to select  Replace P.head, and then press the ▶ button.
6. Press  ▲ or ▼ to select  Yes, and then press the OK button.
Ink is now filled.
After about two minutes, a message is shown on the Display Screen instructing you to open the Top Cover.
7. Open the Top Cover. Instructions are...

8.
If the Printhead Fixer Cover or Printhead Fixer Lever is dirty, use a damp cloth that you have wrung out completely
to wipe it clean. Important
• Do 
not touch the Linear Scale (a), Carriage Shaft (b), or Ink Tube Stabilizer (c). Touching these parts
may damage them. •
Never touch the metal contacts of the Carriage. This may damage the printer.
Maintenance 
> Printheads >
Replacing the Printhead
iPF81511
822
 

9.
If the  ventilation  duct  (a)  is  dirty,  use  a  damp  cloth  that  you  have  wrung  out  completely  to  wipe  it  clean.  Move  the
Carriage out of the way manually if the Carriage is concealing the ventilation duct, and then clean the duct. 10.
Pull the Printhead Fixer Lever forward all the way to open it completely. 11.
Pull up the Printhead Fixer Cover to open it completely. 12.
Remove the used Printhead. Maintenance 
> Printheads >
iPF815
Replacing the Printhead 11
823
 

Note
• Dispose of the used Printhead in accordance with local regulations.
13. Holding the new Printhead by the grips (a), remove it from the case. Important
• When handling  the  Printhead,  always  hold  it  by  the  grips  (a).  Never  touch  the  nozzles  (b)  or  metal
contacts (c). This may damage the Printhead and affect printing quality. 14.
While 
 firmly  holding  the  Printhead  you  have  removed,  use  your  other  hand  to  remove  the  orange  Safety  Cap  1  (a).
Squeeze the grips (c) of...