Canon printer PIXMA MG6620 User Manual

Aligning the Print HeadWhen you perform head position adjustment, errors in the print head adjustment position are corrected and
conditions such as color and line streaking are improved. If the print results appear uneven because of line shifts or other conditions, adjust the position of the print
head.
On this printer, you can adjust the print head either 
automatically  or manually.
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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.
The procedure for performing manual print head alignment is as follows:
 Print Head Alignment
1.
Open the printer driver setup window
2.
Click  Custom Settings  on the Maintenance  tab
The  Custom Settings  dialog box opens.
3.
Switch head...

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
9.
Confirm the displayed message and click  OK
The second pattern is printed.
Important
•
Do not open the operation panel while printing is in progress.
10.
Check the printed pattern Enter the numbers of the patterns with the least noticeable stripes or...

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
•
If it is difficult to pick the best pattern, pick the setting that produces the least noticeable
horizontal streaks.
(A) Least noticeable horizontal streaks
(B) Most noticeable horizontal streaks
Note
•
To print and check the current setting,...

Use Your Computer to Print a Nozzle Check PatternThe nozzle check function allows you to check whether the print head is working properly by printing a
nozzle check pattern. Print the pattern if printing becomes faint, or if a specific color fails to print.
The procedure for printing a nozzle check pattern is as follows:
 Nozzle Check
1.
Open the printer driver setup window
2.
Click  Nozzle Check  on the Maintenance  tab
The  Nozzle Check  dialog box opens.
Click  Initial Check Items  to display the...

Cleaning the Machine
Cleaning the Exterior of the Machine
Cleaning the Platen Glass and Document Cover
Cleaning the Paper Feed Roller
Cleaning the Inside of the Machine (Bottom Plate Cleaning)
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Cleaning the Exterior of the MachineBe sure to use a soft and dry cloth such as eyeglasses cleaning cloth and wipe off dirt on the surface gently.Smooth out wrinkles on the cloth if necessary before cleaning.
Important
•
Be sure to turn off the power and unplug the power cord before cleaning the machine.
•
Do not use tissue paper, paper towels, rough-textured cloth, or similar materials for cleaning so as notto scratch the surface. Paper tissue powder or fine threads may remain inside the machine and...

Cleaning the Platen Glass and Document Cover
Important
•
Be sure to turn off the power and unplug the power cord before cleaning the machine.
•
Do not use tissue paper, paper towels, rough-textured cloth, or similar materials for cleaning so as notto scratch the surface. Paper tissue powder or fine threads may remain inside the machine and cause problems such as print head blockage and poor printing results.
•
Never use volatile liquids such as thinners, benzene, acetone, or any other chemical cleaner to...

Cleaning the Paper Feed RollerIf the paper feed roller is dirty or paper powder is attached to it, paper may not be fed properly.
In this case, clean the paper feed roller. Cleaning will wear out the paper feed roller, so perform this only
when necessary.
You need to prepare: three sheets of A4 or Letter-sized plain paper1.
Make sure that the power is turned on.
2.
Select  Roller cleaning .
1.
Flick the HOME screen, then tap  Setup .
Using the Operation Panel
The setup menu screen will appear.
2.
Tap...

2.Open the paper output tray gently.3.
Tap OK.
The machine starts cleaning. The cleaning will be complete when the paper is ejected.
4.
When the completion message appears, tap  OK.
If the problem is not resolved after cleaning the paper feed roller, contact the service center.
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