Canon Pixma Mp540 User Guide

Advanced Guide  Troubleshooting
Contents > Routine Maintenance > When Printing Becomes Faint or Colors Are Incorrect > Printing the Nozzle Check
Pattern
 Printing the Nozzle Check Pattern 
Print the nozzle check pattern to determine whether the ink ejects properly from the print head nozzles.
You need to prepare: a sheet of A4 or Letter-sized plain paper
 Note
 If the remaining ink level is low, the nozzle check pattern will not be printed correctly. Replace the
ink tank whose ink is low.
See Replacing...

Advanced Guide  Troubleshooting
Contents > Routine Maintenance > When Printing Becomes Faint or Colors Are Incorrect > Examining the Nozzle Check
Pattern
 Examining the Nozzle Check Pattern 
Examine the nozzle check pattern, and clean the Print Head if necessary.
1.Check if there are no missing lines in the pattern (1) or no horizontal white streaks in
the pattern (2).
(A) No missing lines/No horizontal white streaks
(B) Lines are missing/Horizontal white streaks are present
2.Select the pattern that is...

      
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Page 93 of 758 pages Examining the Nozzle Check Pattern
 

Advanced Guide  Troubleshooting
Contents > Routine Maintenance > When Printing Becomes Faint or Colors Are Incorrect > Cleaning the Print Head
 Cleaning the Print Head 
Clean the Print Head if lines are missing or if horizontal white streaks are present in the printed nozzle
check pattern. Cleaning unclogs the nozzles and restores the print head condition. Cleaning the Print
Head consumes ink, so clean the Print Head only when necessary.
You need to prepare: a sheet of A4 or Letter-sized plain paper...

Advanced Guide  Troubleshooting
Contents > Routine Maintenance > When Printing Becomes Faint or Colors Are Incorrect > Cleaning the Print Head
Deeply
 Cleaning the Print Head Deeply 
If print quality does not improve by the standard cleaning of the Print Head, clean the Print Head deeply.
Cleaning the Print Head deeply consumes more ink than the standard cleaning of the Print Head, so
clean the Print Head deeply only when necessary.
You need to prepare: a sheet of A4 or Letter-sized plain paper
1.Make...

Advanced Guide  Troubleshooting
Contents > Routine Maintenance > When Printing Becomes Faint or Colors Are Incorrect > Aligning the Print Head
 Aligning the Print Head 
If printed ruled lines are misaligned or print results are otherwise unsatisfactory, adjust the print head
position.
You need to prepare: three sheets of A4 or Letter-sized plain paper
 Note
 The print head alignment pattern is printed in black and blue.
 To cancel the adjustment of the print head position, press the HOME button on the...

 Note
 If it is difficult to select the best pattern, select the pattern that has the least noticeable
vertical or horizontal streaks.
(A) Least noticeable vertical streaks
(B) Noticeable vertical streaks
(C) Least noticeable horizontal streaks
(D) Noticeable horizontal streaks
(2) Repeat the same procedure to input the pattern number for each column from
B to G, and press the OK button.
(3) Confirm the message, and press the OK button.
The second print head alignment pattern will be printed.
(4) Check...

(6) Check the printed patterns, use the  (Left) or  (Right) button to input the
number of the pattern that has the least noticeable stripes for each column from
a to j, then press the OK button.
 Note
 If it is difficult to select the best pattern, select the pattern that has the least noticeable
horizontal stripes.
(E) Least noticeable horizontal stripes
(F) Noticeable horizontal stripes
 
     
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Page 98 of 758 pages Aligning the Print Head
 

Advanced Guide  Troubleshooting
Contents > Routine Maintenance > Cleaning the Paper Feed Roller
Cleaning the Paper Feed Roller 
If 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 paper
1.Make sure that the power is turned on, and remove any paper from the machine.
2.Open...

If this does not solve the problem, contact your Canon service representative.
      
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Page 100 of 758 pages Cleaning the Paper Feed Roller