Canon Pixma Mp550 User Guide

Advanced Guide > Maintenance > Aligning the Print Head > Aligning the Print Head
Aligning the Print Head
If printed ruled lines are misaligned or print results are otherwise unsatisfactory, adjust the print head
position.
Note
If the remaining ink level is low, the print head alignment sheet will not be printed correctly. Repla ce
the ink tank whose ink is low.
Routine Maintenance
The print head alignment pattern is printed in blac k and blue only.
1.Make sure that the machine is turned on.
2.Load a...

Important
Do not touch any printed part on the print head alignment sheet.
Do not dirty the print head alignment sheet. If the sheet is stained or wrinkled, the pattern
may not be scanned correctly.
5. W hen Did the patterns print correctly? is displayed , confirm that the pattern is printed correctly,
select Yes, then press the OK
 button.
5.Scan the print head alignment sheet to adjust the prin t head position.
1. Place the print head alignment sheet on the Platen  Glass, then close the Document Cover...

Important
Do not open the Document Cover or move the loaded print head alignment sheet until
scanning is complete.
If adjusting the auto print head position has failed, Failed to scan. appears on the LCD.
An Error Message Is Displayed on the LCD
Note
Press the HOME
 button to exit the 
Settings menu and display the  HOME screen.
If the print results are still not satisfactory aft
er adjusting the print head position as
described above, adjust the print head position man ually from the computer.
Aligning...

Advanced Guide > Maintenance > Performing Maintenance from a Computer 
Performing Maintenance from a Computer 
Cleaning the Print Heads
Cleaning the Paper Feed Rollers
Aligning the Print Head Position
Checking the Print Head Nozzles
Cleaning Inside the MachinePage top
Page 694 of 877 pages
Performing Maintenance from a Computer
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Advanced Guide > Maintenance > Performing Maintenance from a Computer > Cleaning the Print Heads 
Cleaning the Print Heads 
The print head cleaning function allows you to unclog clogged nozzles in the print head. Perform print
head cleaning if printing is faint or a specific co lor fails to print, even though there is enough ink . 
The procedure for cleaning the print heads is as follows:  
 Cleaning 
1.Open the printer driver setup window
2.
Click Cleaning on the Maintenance tab  
The Print Head...

5.Check the results  
To check whether the print quality has improved, click Print Check Pattern. To cancel the check
process, click Cancel. 
Important 
Cleaning consumes a small amount of ink. Deep Clean ing consumes a larger amount of ink than
Cleaning.
Cleaning the print heads frequently will rapidly de plete your printers ink supply. Consequently,
perform cleaning only when necessary. 
Note 
If there is no sign of improvement after Deep Clean ing, switch off the machine, wait 24 hours, and
then...

Advanced Guide > Maintenance > Performing Maintenance from a Computer > Cleaning the Paper Feed Rollers 
Cleaning the Paper Feed Rollers 
Cleans the paper feed roller. Perform feed roller cleaning when there are paper particles sticking to  the
paper feed roller and paper is not fed properly. 
The procedure for performing the feed roller cleani ng is as follows: 
 Roller Cleaning 
1.Prepare the machine  
Remove all sheets of paper from the paper source fr om which paper could not be properly fed. 
2.Open...

Advanced Guide > Maintenance > Performing Maintenance from a Computer > Aligning the Print Head Position 
Aligning the Print Head Position 
Print head alignment corrects the installation positions of the print head and improves deviated colors
and lines.  
This machine supports two head alignment methods: a utomatic head alignment and manual head
alignment.
To perform automatic head alignment, refer to Alig ning the Print Head in the manual: Basic Guide and
then execute the function from the operation...

W hen you have entered all the necessary values, click OK. 
Note 
If it is difficult to pick the best pattern, pick the setting that produces the least noticeable verti cal
white streaks. 
(A) Less noticeable vertical white streaks  
(B) More noticeable vertical white streaks 
If it is difficult to pick the best pattern, pick the setting that produces the least noticeable
horizontal white streaks. 
(A) Less noticeable horizontal white streaks  
(B) More noticeable horizontal white streaks 
9.Confirm the...

W hen you have entered all the necessary values, click OK. 
Note 
If it is difficult to pick the best pattern, pick the setting that produces the least noticeable verti cal
white streaks. 
(A) Less noticeable vertical white streaks  
(B) More noticeable vertical white streaks 
11.Confirm the displayed message and click OK  
The third pattern is printed. 
Important 
Do not open the Scanning Unit (Cover) while printin g is in progress. 
12.Check the printed pattern  
Enter the numbers of the patterns with...