Canon Pixma Mp630 User Guide
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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 closer to the printed nozzle check pattern on the confirmation screen. For (A) (no missing lines or no horizontal white streaks) in both (1) and (2): Select All A and press the OK button. The cleaning is not required. The screen returns to the Maintenance screen. For (B) (lines are missing or horizontal white streaks are present) in (1) or (2): (1) Select Also B and press the OK button. Clean the Print Head. The cleaning confirmation screen appears. (2) Select Yes and press the OK button. The machine starts cleaning the Print Head. See Cleaning the Print Head. Page 91 of 805 pages Examining the Nozzle Check Pattern
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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
1.Make sure that the power is turned on.
2.Make sure that one or more sheets of A4 or Letter-sized plain paper are loaded in
the Cassette.
3.Open the Paper Output Tray gently, and open the Output Tray Extension.
Important
If the Inner Cover is open, close it.
4.Clean the Print Head.
(1) Select Settings on the HOME screen, and press the OK button.
(2) Select Maintenance, and press the OK button.
(3) Select Cleaning, and press the OK button.
(4) Select Yes, and press the OK button.
The machine starts cleaning the Print Head.
Do not perform any other operations until the machine completes the cleaning of the Print Head. This takes
about 1 minute 30 seconds.
(5) Select Yes, and press the OK button.
The nozzle check pattern will be printed.
5.Check the nozzle check pattern.
See Examining the Nozzle Check Pattern.
Note
If the problem is not resolved after cleaning the Print Head twice, clean the Print Head deeply.
See Cleaning the Print Head Deeply.
Page 93 of 805 pages Cleaning the Print Head
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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 sure that the power is turned on.
2.Make sure that one or more sheets of A4 or Letter-sized plain paper are loaded in
the Cassette.
3.Open the Paper Output Tray gently, and open the Output Tray Extension.
Important
If the Inner Cover is open, close it.
4.Clean the Print Head deeply.
(1) Select Settings on the HOME screen, and press the OK button.
(2) Select Maintenance, and press the OK button.
(3) Select Deep cleaning, and press the OK button.
(4) Select Yes, and press the OK button.
The machine starts cleaning the Print Head deeply.
Do not perform any other operations until the machine completes the deep cleaning of the Print Head. This
takes about 3 minutes.
(5) Select Yes, and press the OK button.
The nozzle check pattern will be printed.
5.Check the nozzle check pattern.
See Examining the Nozzle Check Pattern.
If a particular color is not printed properly, replace the ink tank of that color.
See Replacing an Ink Tank.
If the problem is not resolved, turn off the power and clean the Print Head deeply again after 24 hours.
If the problem is still not resolved, the Print Head may be damaged. Contact your Canon service representative.
Page 95 of 805 pages Cleaning the Print Head Deeply
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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 print head position manually using plain paper. For details, refer to the on-screen manual: Advanced Guide. 1.Make sure that the power is turned on. 2.Load a sheet of supplied paper or A4 or Letter-sized Canon Matte Photo Paper MP- 101 with the print side (whiter side) facing you in the Rear Tray. Important You cannot feed paper from the Cassette for aligning the Print Head. Load paper in the Rear Tray. 3.Open the Paper Output Tray gently, and open the Output Tray Extension. Important If the Inner Cover is open, close it. 4.Print the print head alignment pattern. (1) Select Settings on the HOME screen, and press the OK button. (2) Select Maintenance, and press the OK button. (3) Select Auto head align, and press the OK button. Note Select Head alignment print to print the current head position adjustment values. (4) Select Yes, and press the OK button. The print head alignment pattern will be printed and the print head position is adjusted automatically. This takes about 7 minutes. Page 97 of 805 pages Aligning the Print Head
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 805 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 the Paper Output Tray gently, and open the Output Tray Extension. Important If the Inner Cover is open, close it. 3.Clean the Paper Feed Roller. (1) Select Settings on the HOME screen, and press the OK button. (2) Select Maintenance, and press the OK button. (3) Select Roller cleaning, and press the OK button. (4) Select Yes, and press the OK button. (5) Select the paper source to clean (Rear tray or Cassette), and press the OK button. The Paper Feed Roller will rotate as it is cleaned. 4.Make sure that the Paper Feed Roller stops rotating, and load paper. Load three sheets of A4 or Letter-sized plain paper in the paper source you selected in the procedure of (5) in step 3. 5.Repeat the procedures of (3) to (5) in step 3 again. The paper is ejected after cleaning. If the problem is not resolved after cleaning the Paper Feed Roller (A) in the Rear Tray, turn off the power, unplug the power cord, then wipe the Paper Feed Roller located in the center inside the Rear Tray with a moistened cotton swab or the like. Rotate the roller manually in the direction of the arrow (B) as you clean it. Do not touch the roller with your fingers; rotate it with the cotton swab. Page 99 of 805 pages Cleaning the Paper Feed Roller
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