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Canon printer PIXMA MX7600 User Manual

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Page 121

117
Routine Maintenance
4Check the print head condition with the printed nozzle check pattern, and take 
appropriate action.
See “Examining the Nozzle Check Pattern” on page 115.
Print Head Deep Cleaning
If print quality does not improve by standard  Print Head Cleaning, try Print Head Deep Cleaning, 
which is a more powerful process. Note that cl eaning the Print Head causes used ink to be absorbed 
in the ink absorber. Print Head Deep Cleaning consumes more ink than standard Print Head 
Cleaning, so...

Page 122

118Routine Maintenance
4Check the condition of the Print Head.
(1)Check the print head condition with the printed nozzle check pattern.
See “Examining the Nozzle Check Pattern” on page 115.
If a particular color is not printed properly, replace the ink tank of that color.
See “Replacing an Ink Tank” on page 103.
(2) If the problem is not resolved, turn off the machine and perform another Print Head Deep 
Cleaning after 24 hours.
(3) If this does not solve the problem, the Print Head may be damaged....

Page 123

119
Routine Maintenance
(5) Use the  { or  } button to select  Ye s, then press the  OK button.
The print head is aligned automatically, and the  print head pattern after the adjustment is 
printed out. This takes about 6 minutes.
„ Manual Print Head Alignment
If the results of Automatic Print Head Alignment are not satisfactory, follow the procedure below 
to perform Manual Print Head Alignment.
For details on performing Automatic Print He ad Alignment, see “Automatic Print Head 
Alignment” on page...

Page 124

120Routine Maintenance
4Look at the first printout, and then adjust the print head position.
(1)Check the printed patterns, and use the [ or 
] button to input the number of the pattern in 
column A that has the least noticeable vertical 
streaks.
(2)Repeat the same procedure until you finish inputting the pattern number for columns B to 
K, then press the OK button.
(3)Confirm the displayed message and press the OK button.
The second pattern is printed.
Note
If it is difficult to pick the best pattern,...

Page 125

121 Routine Maintenance
5Look at the second printout, and then adjust the print head position.
(1)Check the printed patterns, and use the [ or 
] button to input the number of the pattern in 
column L that has the least noticeable vertical 
streaks. 
(2)Repeat the same procedure until you finish 
inputting the pattern number for columns M to 
Q, then press the OK button.
(3)Use the [ or ]button to input the number of 
the pattern in column R that has the least 
noticeable horizontal streaks.
(4)Repeat...

Page 126

122Routine Maintenance
Performing Ink Quality Maintenance Manually
This section describes manual ink quality maintenance operation.
If automatic ink quality maintenance is disabled to prevent extensive vibration and noise, follow the 
following instructions to manually stir the inks about once a week.
1Press the Menu button.
2Use the [ or ] button to select Maintenance/settings, then press the OK button.
The Maintenance/settings screen is displayed.
3Use the [ or ] button to select Maintenance, then...

Page 127

123 Routine Maintenance
Cleaning Your Machine
This section describes the cleaning procedure that is needed to maintain your machine.
„Wiping Off Dirt on the Machine
Be sure to use a soft cloth such as eyeglasses cleaning cloth and wipe off dirt on the surface 
with it gently. Smooth out wrinkles on the cloth if necessary before cleaning.
„Cleaning the Platen Glass and Document Cover
Caution
zDo not use tissue paper, paper towels, or similar materials for cleaning. Paper tissue powders or fine 
threads...

Page 128

124Routine Maintenance
With a clean, soft, lint-free cloth, wipe the Platen Glass (B), the inner side of the Document 
Cover (white sheet) (A), the glass of the ADF (C), and the inner side of the ADF (white area) (D) 
gently. Make sure not to leave any residue, especially on the Platen Glass.
„Cleaning the ADF
1Open the Document Tray.
2Open the Document Feeder Cover.
Caution
zBe sure to turn off the power and unplug the power cord before cleaning the machine.
zThe power cannot be turned off while the...

Page 129

125 Routine Maintenance
3With a soft, clean, lint-free and dry cloth, wipe 
off any paper dust from the inside of the 
Document Feeder Cover (A).
4After wiping, close the Document Feeder 
Cover by pushing it until it clicks into place.
5Close the Document Tray.
„Cleaning the Paper Feed Roller (Roller Cleaning)
Clean the paper feed roller if paper is not fed properly. Cleaning the paper feed roller will wear 
the roller, so perform this only when necessary.
1Make sure that the machine is turned on, and...

Page 130

126Routine Maintenance
6Repeat (4) and (6) in step 2 three times.
The paper cleans the paper feed roller as it feeds through the machine.
If the problem is not resolved after cleaning the Rear Tray, turn off the machine, unplug the 
power cord, and then wipe the paper feed roller (A) located on the right side inside the Rear Tray 
with a moistened cotton swab or the like. Rotate the roller (A) manually as you clean it. Do not 
touch the roller with your fingers; rotate it with the cotton swab.
If the...
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