Canon printer PIXMA MG7520 User Manual

Important•
Do not open the operation panel while printing is in progress.
6.
Look at the second pattern and adjust the print head position.
1.
Tap I to check the printed patterns, and tap the number of the pattern in column I that has theleast noticeable vertical streaks.
Note
•
If it is difficult to pick the best pattern, pick the setting that produces the least noticeable vertical
streaks.
(E) Unnoticeable vertical streaks
(F) Noticeable vertical streaks
2.
Repeat the same procedure until you finish...

1.Tap a to check the printed patterns, and tap the number of the pattern in column a that hasthe least noticeable horizontal stripes.
Note
•
If it is difficult to pick the best pattern, pick the setting that produces the least noticeable horizontal
stripes.
(G) Unnoticeable horizontal stripes
(H) Noticeable horizontal stripes
2.
Repeat the same procedure until you finish inputting the pattern number for columns b to h, then tap  OK.
The manual adjustment of the print head position is complete.
3.
When...

Performing Maintenance from a Computer
Cleaning the Print Heads from Your Computer
Aligning the Print Head Position from Your Computer
Use Your Computer to Print a Nozzle Check Pattern
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Cleaning the Print Heads from Your ComputerThe print head cleaning function allows you to clear up clogged print head nozzle. Perform print head
cleaning if printing is faint or a specific color fails to print, even though there is enough ink.
The procedure for cleaning the print head is as follows:
 Cleaning
1.
Open the printer driver setup window
2.
Click  Cleaning  on the Maintenance  tab
When the  Print Head Cleaning  dialog box opens, select the ink group for which cleaning is to be
performed.
Click...

2.Click Deep Cleaning  on the Maintenance  tab
When the  Deep Cleaning  dialog box opens, select the ink group for which deep cleaning is to be
performed.
Click  Initial Check Items  to display the items you need to check before performing deep cleaning.3.
Execute deep cleaning
Make sure that the printer is on and then click  Execute.
Click  OK when the confirmation message appears.
Print head deep cleaning starts.
Important
•
Do not close the paper output tray until the deep cleaning is complete.
4....

Aligning the Print Head Position from Your ComputerPrint head alignment corrects the installation positions of the print head and improves deviated colors and
lines.
This printer supports two head alignment methods: automatic head alignment and manual head alignment.
Normally, the printer is set for automatic head alignment.
If the printing results of automatic print head alignment are not satisfactory, 
perform manual head alignment .
The procedure for performing automatic print head alignment is as...

Aligning the Print Head Position Manually from Your ComputerPrint head alignment corrects the installation positions of the print head and improves deviated colors and
lines.
This printer supports two head alignment methods: 
automatic head alignment  and manual head alignment.
Normally, the printer is set for automatic head alignment. If the printing results of automatic print head alignment are not satisfactory, perform manual head alignment.
The procedure for performing manual print head alignment is...

8.Check the printed pattern
Enter the numbers of the patterns with the least noticeable streaks in the associated boxes. Even if the patterns with the least noticeable streaks are clicked in the preview window, their numbers
are automatically entered in the associated boxes.
When 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 vertical
streaks.
(A) Least noticeable vertical streaks
(B) Most...

Enter the numbers of the patterns with the least noticeable streaks in the associated boxes.Even if the patterns with the least noticeable streaks are clicked in the preview window, their numbers are automatically entered in the associated boxes.
When 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 vertical
streaks.
(A) Least noticeable vertical streaks
(B) Most noticeable vertical streaks
11....

When 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
horizontal stripes.
(A) Least noticeable horizontal stripes
(B) Most noticeable horizontal stripes
Note
•
To print and check the current setting, open the  Start Print Head Alignment dialog box, and click
Print Alignment Value .
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