Canon Pixma Mp630 User Guide

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 92 of 805 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...

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Page 94 of 805 pages Cleaning the Print Head
 

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...

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Page 96 of 805 pages Cleaning the Print Head Deeply
 

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: a sheet of A4 or Letter-sized Canon Matte Photo Paper MP
-101
 Note
 If the supplied paper (Canon Matte Photo Paper MP-101) is run out and the specified Canon genuine
paper is not available, adjust the...

 Note
 The print head alignment pattern is printed in black and blue.
 If the automatic adjustment of the print head position has failed, the error message Auto head
align has failed. appears on the LCD. For details, refer to 
Troubleshooting in the on-screenmanual: Advanced Guide.
 If the print results are still not satisfactory after adjusting the print head position as described
above, align the Print Head manually. For details, refer to the on-screen manual: AdvancedGuide.
      
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Page 98 of...

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 805 pages Cleaning the Paper Feed Roller