Canon printer PIXMA MG7720 User Manual

							When you have entered all the necessary values, click OK.
Note

						

							Printing a Nozzle Check PatternThe nozzle check function allows you to check whether the print head is working properly by printing anozzle 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 items that you need to check before printing the nozzle check
pattern.
3.
Load paper in the printer
Load one sheet of A4 size or Letter size plain paper into the cassette 2.
4.
Print a nozzle check pattern
Make sure that the printer is on and click  Print Check Pattern.
Printing of the nozzle check pattern begins.
Click  OK when the confirmation message appears.
The  Pattern Check  dialog box opens.
5.
Check the print result
Check the print result. If the print result is normal, click  Exit.
If the print result is smudged or if there are any unprinted sections, click  Cleaning to clean the print
head.
Related Topic
Cleaning the Print Heads
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							Cleaning
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)
Cleaning the Pad in the Cassette
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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

						

							Cleaning the Platen Glass and Document Cover
Important

						

							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
For the cassette 1: A single sheet of A4 or Letter-sized plain paper (to be cut for use) For the cassette 2: Three sheets of A4 or Letter-sized plain paper1.
Make sure that the power is turned on.
2.
Flick the HOME screen, then tap   Setup .
Using the Operation Panel
The setup menu screen will appear.
3.
Tap   Maintenance .
The  Maintenance  screen will appear.
4.
Tap Roller cleaning .
The confirmation screen will appear.
5.
Tap Yes.
6.
Tap the paper source to clean ( Cassette 1 or Cassette 2 ).
7.
Follow the message to remove any paper from the paper source you selected in step 6,
then re-insert the cassette.
8.
Tap  OK.
The paper feed roller will rotate as it is cleaned without paper.
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							9.Make sure that the paper feed roller has stopped rotating, then follow the message to load
plain paper as follows in the paper source you selected in step 6.
Loading paper in the cassette 1:
Cut a single sheet of A4 or Letter-sized plain paper into four pieces.
Load them in the cassette 1 with the top and bottom edges (A) towards the back side of the cassette 1.
Loading paper in the cassette 2:
Load three sheets of A4 or Letter-sized paper in the cassette 2.
10.
Holding both sides of the paper output tray, gently open it.
The output tray extension will open automatically when the paper output tray is opened.
11.
Extend the paper output support.
Important

						

							Cleaning the Inside of the Machine (Bottom Plate Cleaning)Remove stains from the inside of the machine. If the inside of the machine becomes dirty, printed paper mayget dirty, so we recommend performing cleaning regularly.
You need to prepare: a sheet of A4 or Letter-sized plain paper* * Be sure to use a new piece of paper.1.
Make sure that the power is turned on.
2.
Flick the HOME screen, then tap   Setup .
Using the Operation Panel
The setup menu screen will appear.
3.
Tap   Maintenance .
The  Maintenance  screen will appear.
4.
Tap Bottom plate cleaning .
The confirmation screen will appear.
5.
Tap Yes.
6.
Follow the message to remove any paper from the cassette 2, then tap  OK.
7.
Fold a single sheet of A4 or Letter-sized plain paper in half widthwise, then unfold the
paper.
8.
Fold one side of the opened paper in another half, aligning the edge with the center crease,
unfold the paper, then tap  OK.
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							9.
Load only this sheet of paper in the cassette 2 with the ridges of the creases facing up and
the edge of the half with no crease facing to the far side.
10.
Holding both sides of the paper output tray, gently open it.
The output tray extension will open automatically when the paper output tray is opened.
11.
Extend the paper output support.
Important

						

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