Canon printer PIXMA MX490 User Manual

							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
9.
Confirm the displayed message and click  OK
The second pattern is printed.
Important
•
Do not open the paper output cover while printing is in progress.
10.
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.
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							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.
Confirm the displayed message and click  OK
The third pattern is printed.
Important
•
Do not open the paper output cover while printing is in progress.
12.
Check the printed pattern Enter the numbers of the patterns with the least noticeable stripes in the associated boxes.
Even if the patterns with the least noticeable stripes are clicked in the preview window, their numbers
are automatically entered in the associated boxes.
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							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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							Aligning the Print Head Position Automatically from Your
Computer
Print 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 follows:
 Print Head Alignment
1.
Open the printer driver setup window
2.
Click  Print Head Alignment  on the Maintenance  tab
The  Start Print Head Alignment  dialog box opens.
3.
Load paper in the printer
Load one sheet of A4 size or Letter size plain paper into the cassette.
Note
•
The number of sheets to be used differs when you select the manual head alignment.
•
If the cassette paper information registered on the printer is not set to A4 size and plain paper,
an error may occur. For instructions on what to do if an error occurs, see "
Paper setting for
Printing ."
For details about the cassette paper information to be registered on the printer, see the
following:
•
Paper Settings on the Printer Driver and the Printer (Media Type)
•
Paper Settings on the Printer Driver and the Printer (Paper Size)
4.
Print head alignment pattern printing
Make sure that the printer is on and click  Align Print Head.
The adjustment pattern is printed.
Important
•
Do not open the paper output cover while printing is in progress.
5.
Adjustment pattern scanning
After the adjustment pattern is printed, a message is displayed. As instructed in the message, load the adjustment pattern onto the platen, and press the  Start button
on the printer. Print head alignment starts.
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							Note•
To print and check the current setting, open the Start Print Head Alignment dialog box, and click
Print Alignment Value .185 
						

							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 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.
Note
•
If the cassette paper information registered on the printer is not set to A4 size and plain paper,
an error may occur. For instructions on what to do if an error occurs, see "
Paper setting for
Printing ."
For details about the cassette paper information to be registered on the printer, see the
following:
•
Paper Settings on the Printer Driver and the Printer (Media Type)
•
Paper Settings on the Printer Driver and the Printer (Paper Size)
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 from Your Computer
186 
						

							Cleaning the Machine
Cleaning the Exterior of the Machine
Cleaning the Platen Glass and Document Cover
Cleaning the ADF (Auto Document Feeder)
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.
•
The power cannot be turned off while the machine is sending or receiving a fax, or when unsentfaxes are stored in the machine's memory. Make sure if the machine completed sending or
receiving all the faxes before unplugging the power cord.
•
The machine cannot send or receive faxes when the power is turned off.
•
If the power cord is unplugged, the date/time settings will be reset and all documents stored in the machine's memory will be lost. Send or print a necessary document before unplugging the power
cord.
•
Do not use tissue paper, paper towels, rough-textured cloth, or similar materials for cleaning so as not to 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 cleanthe machine, as this may cause a malfunction or damage the surface of the machine.
188 
						

							Cleaning the Platen Glass and Document Cover
Important
•
Be sure to turn off the power and unplug the power cord before cleaning the machine.
•
The power cannot be turned off while the machine is sending or receiving a fax, or when unsentfaxes are stored in the machine's memory. Make sure if the machine completed sending or
receiving all the faxes before unplugging the power cord.
•
The machine cannot send or receive faxes when the power is turned off.
•
If the power cord is unplugged, the date/time settings will be reset and all documents stored in the machine's memory will be lost. Send or print a necessary document before unplugging the power
cord.
•
Do not use tissue paper, paper towels, rough-textured cloth, or similar materials for cleaning so as not to 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 cleanthe machine, as this may cause a malfunction or damage the surface of the machine.
Use a soft, clean, lint-free and dry cloth. Wipe the platen glass (A) and the inner side of the document cover (white sheet) (B) gently. Make sure not to leave any residue, especially on the glass surface.
Important
•
The inner side of the document cover (white sheet) (B) is easily damaged, so wipe it gently.
189 
						

							Cleaning the ADF (Auto Document Feeder)Be sure to use a soft, clean, lint-free and dry cloth to clean the ADF (Auto Document Feeder).
Important
•
Be sure to turn off the power and unplug the power cord before cleaning the machine.
•
The power cannot be turned off while the machine is sending or receiving a fax, or when unsentfaxes are stored in the machine's memory. Make sure if the machine completed sending or
receiving all the faxes before unplugging the power cord.
•
The machine cannot send or receive faxes when the power is turned off.
•
If the power cord is unplugged, the date/time settings will be reset and all documents stored in the machine's memory will be lost. Send or print a necessary document before unplugging the power
cord.
•
Do not use tissue paper, paper towels, rough-textured cloth, or similar materials for cleaning so as not to 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 cleanthe machine, as this may cause a malfunction or damage the surface of the machine.
1.
Open the document cover.
2.
Open the document feeder cover.
190