Question about Canon PIXMA MP780 All-In-One InkJet Printer

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Prints every other line

Pixma MP 780 started printing about every other line or two. Need instructions to manually align the print head

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Use the cleaning cycle first.If it completes do a nozzle check and then to align follow below.
You need to hook it up to computer to do a manual head align through the printer properties maintenance section.

Posted on Jun 20, 2009

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Won't print black ink text; looks like faint watermark print; ran all maintenance check several times (nozzle checks, etc)


Remove the black cartridge and soak it with an alcohol free window cleaner soaked paper towel let it sit on the towel for a good thirty minutes then wipe clean and put back in printer run nozzle check if necessary.

Oct 09, 2009 | Canon PIXMA MP780 All-In-One InkJet...

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How do I change the H Value, A O on my Canon Pixma MP 780


Those values can only be changed after printing the alignment page either via the computer or by the keypad on the machine. On the machine they are set with the up/down arrows, but only after printing the alignment page.

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Won't print black ink 3E


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1 Answer

I am getting white horizontal lines through my color photos when I print them. Is there an adjustment that I need to make in order to eliminate these lines for a clear sharp color photograph?


see owners manual PIXMA MX700 Quick Start Guide pages 85-93,:Nozzle Check
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1 Answer

Vista for canon pixma mp140


Here's the solution from Canon USA:

Issue: Banded or streaked prints
Solution: Print Head Alignment MP530

Perform Print Head Alignment Instructions to perform a Print Head Alignment directly from the machine. If diagrams or ruled lines are misaligned, print head alignment is required. The print head alignment can be performed automatically or manually. If the automatic print head alignment does not work, adjust the print head manually. Automatic Print Head Alignment
  1. Press <ON/OFF> to turn on the machine.

  2. Load a few sheets of letter-sized plain paper in the auto sheet feeder.

  3. Press the Open button to open the Paper Output Tray. Then open up and set the extension by pressing down the hollow on the front side.

  4. Execute automatic print head alignment.
    1. Press <COPY> button.
    2. Press <Menu> repeatedly to select [MAINTENACE].
    3. Press the left or right cursor to select [AUTO HEAD ALIGN], then press the <OK>. (A pattern is printed and the print head is automatically aligned. It takes about five minutes to finish printing the pattern.)

      05sj00165_02.jpg

Manual print head alignment
  1. Press <ON/OFF> to turn on the machine.

  2. Load two sheets of Letter-sized plain paper in the auto sheet feeder or cassette.

  3. Ensure that the proper paper source is selected.

  4. Execute manual print head alignment.
    1. Press <Menu> repeatedly to select [MAINTENACE].
    2. Press the left or right cursor to select [ALIGN PRINT HEAD], then press the <OK>. (The nozzle check pattern is printed.)

  5. Check the printed patterns and use the left or right arrow to input the number of the pattern in column A that has the least noticeable streaks.

    mp530_setvalue.gif

  6. Press <OK> to move the cursor to column B, and then use the left or right arrow to input the number of the pattern that has the least noticeable streaks.

  7. Repeat the procedure until you finish inputting the pattern number for column P.

    mp500_align_from_unit_1.jpg

  8. When you have finished inputting all pattern numbers, press <OK>.

    Note: For columns A through N select the patterns with the least visible vertical streaks. For columns O and P select the patterns with the fewest visible horizontal streaks.

    align_compare.jpg

    <1> Example of the pattern with the fewest visible vertical streak

    <2> Example of the pattern with the most visible vertical streak

    mp500_alignment_manual_3.jpg

    <1> Example of the pattern with the fewest visible horizontal streak

    <2> Example of the pattern with the most visible horizontal streak

Hope this helps - fotobean

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Feb 21, 2009 | Canon PIXMA MP150 All-In-One InkJet...

1 Answer

Colr prints showing plenty of lines


Here's a solution from Canon USA:

Issue: Banded or streaked prints
Solution: Print Head Alignment MP530

Perform Print Head Alignment Instructions to perform a Print Head Alignment directly from the machine. If diagrams or ruled lines are misaligned, print head alignment is required. The print head alignment can be performed automatically or manually. If the automatic print head alignment does not work, adjust the print head manually. Automatic Print Head Alignment
  1. Press <ON/OFF> to turn on the machine.

  2. Load a few sheets of letter-sized plain paper in the auto sheet feeder.

  3. Press the Open button to open the Paper Output Tray. Then open up and set the extension by pressing down the hollow on the front side.

  4. Execute automatic print head alignment.
    1. Press <COPY> button.
    2. Press <Menu> repeatedly to select [MAINTENACE].
    3. Press the left or right cursor to select [AUTO HEAD ALIGN], then press the <OK>. (A pattern is printed and the print head is automatically aligned. It takes about five minutes to finish printing the pattern.)

      05sj00165_02.jpg

Manual print head alignment
  1. Press <ON/OFF> to turn on the machine.

  2. Load two sheets of Letter-sized plain paper in the auto sheet feeder or cassette.

  3. Ensure that the proper paper source is selected.

  4. Execute manual print head alignment.
    1. Press <Menu> repeatedly to select [MAINTENACE].
    2. Press the left or right cursor to select [ALIGN PRINT HEAD], then press the <OK>. (The nozzle check pattern is printed.)

  5. Check the printed patterns and use the left or right arrow to input the number of the pattern in column A that has the least noticeable streaks.

    mp530_setvalue.gif

  6. Press <OK> to move the cursor to column B, and then use the left or right arrow to input the number of the pattern that has the least noticeable streaks.

  7. Repeat the procedure until you finish inputting the pattern number for column P.

    mp500_align_from_unit_1.jpg

  8. When you have finished inputting all pattern numbers, press <OK>.

    Note: For columns A through N select the patterns with the least visible vertical streaks. For columns O and P select the patterns with the fewest visible horizontal streaks.

    align_compare.jpg

    <1> Example of the pattern with the fewest visible vertical streak

    <2> Example of the pattern with the most visible vertical streak

    mp500_alignment_manual_3.jpg

    <1> Example of the pattern with the fewest visible horizontal streak

    <2> Example of the pattern with the most visible horizontal streak

Hope this helps - fotobean.

spacer.gif

Feb 21, 2009 | Canon PIXMA MP150 All-In-One InkJet...

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