Canon Pixma Mp550 User Guide

 Caution
 Do not hold the Print Head Holder to stop or move it forcibly. Do not touch the Print Head Holder
until it stops completely.
 Important
 Do not place any object on the Document Cover. It will  fall into the Rear Tray when the
Document Cover is opened and cause the machine to malfunct ion.
 Be sure to lift the Scanning Unit (Cover) with the Document Cover closed.
 Do not touch the metallic parts or other parts inside t he machine.
 If the Scanning Unit (Cover) is left open, the Print Head Holder...

4.Prepare the new ink tank.
(1) Take a new ink tank out of its package, pull the orange tape () in the direction
of the arrow to peel it off, then remove the film (
).
 Important
 Make sure that the film is completely removed from the  air hole (C).
If the air hole is blocked with the remaining film, in k may leak out or may not eject properly.
(2) Hold the orange protective cap (D) as indicated in the  figure below, then twist
and remove it from the bottom of the ink tank. 
Remove the protective cap...

5.Install the new ink tank.
(1) Insert the front end of ink tank into the Print Head at a slant.
Make sure that the position of the ink tank matches the la bel.
(2) Press the mark  (Push) on the ink tank until the ink tank snaps firml y into
place. 
Make sure that the ink lamp lights up red.
 Important
 You cannot print if the ink tank is installed in the wr ong position. Be sure to install the ink tank in
the correct position according to the label on the Print  Head Holder.
 You cannot print unless all...

Advanced GuideTroubleshooting
Contents > Routine Maintenance > Replacing an Ink Tank >  Checking the Ink Status
 Checking the Ink Status 
You can check the ink status on the LCD or with ink  lamps.
 With the LCD on the Machine
(1) Make sure that the power is turned on, and press the 
HOME button.
(2) Press the left 
Function button.
Check if any symbol (A) appears on the remaining ink volu me screen.
Sufficient ink is left for printing if no symbol ap pears.
The ink with  (Ink low) is running low. You...

correct position as indicated by the label on the Print Head Holder. If the position is correct but the lamp
flashes, the ink tank is empty. Replace it with a n ew one.
 
Ink lamp is off
The ink tank is not installed properly or the function f or detecting the remaining ink level is disabled. If the  ink
tank is not installed properly, press the mark 
 (Push) on the ink tank until the ink tank clicks into place.  If it
does not click into place, make sure that the orange prote ctive cap has been removed...

Advanced GuideTroubleshooting
Contents > Routine Maintenance > W hen Printing Becomes Faint or Colors Are Incorrect
When Printing Becomes Faint or Colors Are Incorrect 
If print results are blurred or colors are not printed correctly, the pint head nozzles are probably c logged.
Follow the procedure below to print the nozzle chec k pattern, check the print head nozzle condition, then
clean the Print Head. 
If printed ruled lines are misaligned or print results  are otherwise unsatisfactory, aligning the...

 Note
 You can also perform the maintenance operations from your computer.
For details, refer to the on-screen manual: 
Advanced Guide.
 
     
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When Printing Becomes Faint or Colors Are Incorrect
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Advanced GuideTroubleshooting
Contents > Routine Maintenance > W hen Printing Becomes Faint or Colors Are Incorrect >  Printing the Nozzle Check
Pattern
 Printing the Nozzle Check Pattern 
Print the nozzle check pattern to determine whether  the ink ejects properly from the print head nozzles.
 Note
 If the remaining ink level is low, the nozzle check pattern will not be printed correctly. Replace the
ink tank whose ink is low.
See Replacing an Ink Tank.
You need to prepare: a sheet of A4 or Letter-sized...

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Printing the Nozzle Check Pattern
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Advanced GuideTroubleshooting
Contents > Routine Maintenance > W hen Printing Becomes Faint or Colors Are Incorrect >  Examining the Nozzle
Check Pattern
 Examining the Nozzle Check Pattern 
Examine the nozzle check pattern, and clean the Pri nt Head if necessary.
1.Check if there are missing lines in the pattern (1)  or horizontal white streaks in the
pattern (2).
(A) No missing lines/No horizontal white streaks 
(B) Lines are missing/Horizontal white streaks are  present
2.Select the pattern that is...