Canon printer PIXMA MP800R User Manual

Chapter 11 109Routine Maintenance
Knowing When to Replace Ink Tank
It is important to identify the empty tank using the LCD and replace it.
When Low Ink is Detected:   is displayed.
The message is displayed on the LCD when you start printing.
Obtain a new ink tank.
zTo continue printing, select  and then press [OK].
zTo cancel printing, select  and then press [OK].
When Ink has Run Out:   is displayed.
zPress [OK] to resume printing with an empty ink tank. When printing is finished, replace the ink 
tank...

110Chapter 11Routine Maintenance
1Open the Scanning Unit (Printer Cover) and the Paper Output Tray.
(1)Make sure the machine is turned on.
(2)Raise the Scanning Unit (Printer Cover) until it stops.
* The Paper Output Tray will open automatically after the Print Head Holder moves to the 
center.
(A) Press the Open Button to open the Paper Output Tray if it does not open 
automatically.
2Open the Inner Cover.
Caution
Do not hold the LCD.
Important
If the Scanning Unit (Printer Cover) is left open for more...

Chapter 11 111Routine Maintenance
3Remove the ink tank whose lamp is flashing fast.
(1)Push the tab (A) and remove the ink tank.
4Prepare a replacement tank.
(1)Remove the new ink tank from its packaging, then pull the orange tape (A) toward the 
arrow so that the protective film does not remain on the air hole (C). Then remove the film 
completely (B).
(2)Remove the orange protective cap (D) from the bottom of the ink tank and discard it.
Carefully hold the protective cap when removing it to prevent the...

112Chapter 11Routine Maintenance
5Install the ink tank.
(1)Install the ink tank into the Print Head.
(2)Press on the   mark on the ink tank until the ink tank snaps firmly into place.
(3)Ensure that the ink tank clicks into place and then its lamp lights red (B).
Important
zBe sure to remove the clear film from the ink tank in the exact order shown in step 5, as 
failure to follow this step may cause the ink to leak and stain your clothes and hands.
zDo not touch the electrical contacts (G). Doing so can...

Chapter 11 113Routine Maintenance
6Close the Inner Cover.
7Slowly close the Scanning Unit (Printer Cover). 
Keeping the Best Printing Results
zWhen unplugging the power cord
When unplugging the power cord, be sure to press [ON/OFF] first. When you press [ON/OFF], 
the Print Head is protected by the cap to prevent the ink from drying. When unplugging the 
power cord, be sure to unplug it after turning OFF the machine with [ON/OFF].
zWhen not using the machine for a long time
When not using the machine for...

114Chapter 11Routine Maintenance
When Printing Becomes Faint or Colors are Incorrect
When printing becomes faint or colors are incorrect, even if ink remains in the ink tanks, the Print 
Head nozzles are probably clogged. Follow the procedures below to clean the nozzles.
If the ruled lines are shifted after running the Print Head maintenance, align the Print Head.
zIf the ruled lines are shifted
Note
Before printing the nozzle check pattern or cleaning the Print Head, check the following;
– Open the...

Chapter 11 115Routine Maintenance
„Performing Maintenance
1Press [ON/OFF] to turn on the machine.
See “Turning the Machine ON and OFF” on page 18.
2Press [Menu].
3Display the Maintenance screen.
(1)Use [ ] or [ ] to select , then press [OK].
The Maintenance/settings screen is displayed.
(2)Use [ ] or [ ] to select , then press [OK].
The Maintenance screen is displayed.
(3)Use [ ] or [ ]to select the setting item, then press [OK].
The setting screen for the selected item is displayed.
(1)
(2)
(3) 

116Chapter 11Routine Maintenance
„Printing the Nozzle Check Pattern
Print the nozzle check pattern to determine whether the ink ejects properly from the Print Head 
nozzles and to verify Print Head alignment. Use this function when printed results are blurred or 
the color is incorrect.
1Press [ON/OFF] to turn on the machine, then load a sheet of A4 or Letter-sized 
plain paper in the Auto Sheet Feeder or the Cassette.
See “Turning on the Machine” on page 18 and “Loading Paper” on page 20.
2Use [Feed...

Chapter 11 117Routine Maintenance
„Examining the Nozzle Check Pattern
Examine the nozzle check pattern. Perform cleaning if necessary.
(1) Examine if any missing lines exist on this pattern.
(2) Examine if any white stripes exist on this pattern.
The two different pattern sets will be displayed by turns for the pattern confirmation screen on 
the LCD.
zThere are no white stripes./All the patterns are printed normally.
(1)Select  and press [OK].
The screen returns to the Maintenance screen.
Note
If the...

118Chapter 11Routine Maintenance
zWhen a white stripe exists on any of the printed patterns
(1)Select  and press [OK].
The cleaning confirmation screen is displayed.
(2)Select  and press [OK] to start Print Head cleaning.
See“Print Head Cleaning” on page 118.
„Print Head Cleaning
Clean the Print Head if missing lines or white stripes appear in the nozzle check pattern. This 
unclogs the nozzles to restore the Print Head condition. Note that cleaning the Print Head 
causes waste ink to be absorbed in the...