Canon Pixma Mp550 User Guide
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For (B) (lines are missing or horizontal white streaks are present) in (1)
or (2)
, or in both (1) and
(2):
(1) Select Also B and press the OK button.
Clean the Print Head. The cleaning confirmation screen will appear.
(2) Select Yes and press the
OK button.
The machine starts cleaning the Print Head.
See
Cleaning the Print Head.
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Page 101 of 877 pages
Examining the Nozzle Check Pattern
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Advanced GuideTroubleshooting Contents > Routine Maintenance > W hen 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 hor izontal white streaks are present in the printed no zzle check pattern. Cleaning unclogs the nozzles and res tores the print head condition. Cleaning the Print Head consumes ink, so clean the Print Head only when nece ssary. You need to prepare: a sheet of A4 or Letter-sized p lain 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 Out put Tray Extension. 4.Clean the Print Head. (1) Select Settings on the HOME screen, and press the OK button. The Settings screen will appear. (2) Select Maintenance , and press the OK button. The Maintenance screen will appear. (3) Select Cleaning, and press the OK button. The confirmation screen will appear. (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. The pattern print confirmation screen will appear. (5) Select Yes, and press the OK button. The nozzle check pattern will be printed. 5.Examine the nozzle check pattern. See Examining the Nozzle Check Pattern. Note Press the HOME button to exit the Settings menu and display the HOME screen. If the problem is not resolved after cleaning the Prin t Head twice, clean the Print Head deeply. Page 102 of 877 pages Cleaning the Print Head JownloadedtfromtManualsPrinterFcomtManuals
See Cleaning the Print Head Deeply.
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Page 103 of 877 pages
Cleaning the Print Head
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Advanced GuideTroubleshooting Contents > Routine Maintenance > W hen 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 c leaning of the Print Head, clean the Print Head dee ply. 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 p lain 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 Out put Tray Extension. 4.Clean the Print Head deeply. (1) Select Settings on the HOME screen, and press the OK button. The Settings screen will appear. (2) Select Maintenance , and press the OK button. The Maintenance screen will appear. (3) Select Deep cleaning, and press the OK button. The confirmation screen will appear. (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 2 minutes. The pattern print confirmation screen will appear. (5) Select Yes, and press the OK button. The nozzle check pattern will be printed. 5.Examine the nozzle check pattern. See step 1 in 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 an d clean the Print Head deeply again after 24 hours. Page 104 of 877 pages Cleaning the Print Head Deeply JownloadedtfromtManualsPrinterFcomtManuals
If the problem is still not resolved, the Print Head may be damaged. Contact the service center.
Note
Press the HOME button to exit the Settings menu and display the HOME
screen.
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Page 105 of 877 pages
Cleaning the Print Head Deeply
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Advanced GuideTroubleshooting Contents > Routine Maintenance > W hen 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. Note If the remaining ink level is low, the print head alignment sheet will not be printed correctly. Replace the ink tank whose ink is low. See Replacing an Ink Tank. The print head alignment pattern is printed in black and blue. You need to prepare: a sheet of A4 or Letter-sized p lain paper* * Be sure to use paper that is white and clean on both sides. 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 Out put Tray Extension. 4.Print the print head alignment sheet. (1) Select Settings on the HOME screen, and press the OK button. The Settings screen will appear. (2) Select Maintenance , and press the OK button. The Maintenance screen will appear. (3) Select Auto head align, and press the OK button. The confirmation screen will appear. (4) Select Yes, and press the OK button. The print head alignment sheet will be printed. Page 106 of 877 pages Aligning the Print Head JownloadedtfromtManualsPrinterFcomtManuals
Important Do not touch any printed part on the print head alignment sheet. Be careful not to get the print head alignment sheet dirty. If the sheet is stained or wrinkled, it may not be scanned properly. (5) W hen the message Did the patterns print correctly ? appears, confirm that the pattern is printed correctly, select Yes, then pres s the OK button. 5.Scan the print head alignment sheet to adjust the prin t head position. (1) Load the print head alignment sheet on the Platen Glass. Load the print head alignment sheet WITH THE PRINTE D SIDE FACING DOWN and align the mark on the upper left corner of the sheet with the alignment mark . (2) Close the Document Cover gently, and press the OK button. The machine starts scanning the print head alignment shee t, and the print head position will be adjusted automatically. W hen adjusting the print head position is completed, re move the print head alignment sheet on the PlatenPage 107 of 877 pages Aligning the Print Head JownloadedtfromtManualsPrinterFcomtManuals
Glass.
Important
Do not open the Document Cover or remove the print head alignment sheet on the Platen
Glass until adjusting the print head position is complete d.
If the massage Failed to scan. appears, press the OK button and confirm the following:
- The Platen Glass and print head alignment sheet are
not dirty.
- The print head alignment sheet is placed in the corre ct position with the printed side
facing down.
Refer to
Troubleshooting in the on-screen manual: Advanced Guide.
Note
Press the HOME button to exit the Settings menu and display the HOME screen.
If the print results are still not satisfactory af ter adjusting the print head position as
described above, adjust the print head position manually from a computer.
For details, refer to the on-screen manual:
Advanced Guide.
To print and check the current head position adjustment values, select Head alignment print
in the Maintenance menu.
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Page 108 of 877 pages
Aligning the Print Head
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Advanced GuideTroubleshooting 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-s ized plain paper 1.Make sure that the power is turned on. 2.Open the Paper Output Tray gently, and open the Output Tray Extension. 3.Select Roller cleaning. (1) Select Settings on the HOME screen, and press the OK button. The Settings screen will appear. (2) Select Maintenance , and press the OK button. The Maintenance screen will appear. (3) Select Roller cleaning, and press the OK button. The confirmation screen will appear. (4) Select Yes, and press the OK button. (5) Select the paper source to clean (Rear tray or Cas sette), and press the OK button. 4.Clean the Paper Feed Roller without paper. (1) Follow the message to remove paper in the paper so urce you selected in (5) of step 3. (2) Press the OK button. The Paper Feed Roller will rotate as it is cleaned. 5.Clean the Paper Feed Roller with paper. (1) Make sure that the Paper Feed Roller has stopped rota ting, then follow the message to load three sheets of A4 or Letter-sized plain paper in the paper source you selected in (5) of step 3. (2) Press the OK button. Page 109 of 877 pages Cleaning the Paper Feed Roller JownloadedtfromtManualsPrinterFcomtManuals
The machine starts cleaning.
The cleaning will be completed after the paper is ejected.
Note
Press the HOME button to exit the Settings menu and display the HOME
screen.
If the problem is not resolved after cleaning the Paper Feed Roller, contact the service center.
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Page 110 of 877 pages
Cleaning the Paper Feed Roller
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