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

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Auto Head alignment has failed twice. Do I try until it works?

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This depends on why it is failing. You can try to perform a manual alignment through the software if it will let you,(printers, properties, preferences, services, alignment) or just don't align the carts if not necessary (you don't see print defects). On this older model, it is possible that it is related to a scanner issue as well.

Posted on Sep 29, 2010

  • btabor11 Sep 29, 2010

    I lost my User Manual for the Pixma780 when I transferred files to my new IMAC. If I had the manual, I might be able to fix the problem. Where could I download the manual?

  • hughestech Sep 29, 2010

    Paste this link into your browser address bar and be sure to select the file with the correct operationg system. Please let me know if you need further help.http://www.usa.canon.com/cusa/support/co...

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I have changed all ink cartridges on my canon pixma ip4200 printer and it now doesn't work, the green and amber lights flash for 11 times and the cartridge carrier doesn't move. Please can someone advice...


From Canon Help Files.

Automatic Print Head alignment failed
Possible causes are as follows:
6128_image_6.gif A4 or Letter-sized paper is not loaded on the Auto Sheet Feeder.
Press the RESUME/CANCEL button on the printer to clear the error, then load one sheet of A4 or Letter-sized paper in the Auto Sheet Feeder.
Automatic print head alignment cannot be performed using paper from the Cassette. For automatic print head alignment, always load paper in the Auto Sheet Feeder.

6128_image_6.gif Print Head nozzles are clogged.
Press the RESUME/CANCEL button on the printer to clear the error, and then print out the nozzle check pattern to examine the print head condition.

For information on how to print a nozzle check pattern, see "Printing the Nozzle Check Pattern."

6128_image_6.gif The Paper Output Slot has been exposed to a strong light source preventing correct Print Head alignment.
Press the RESUME/CANCEL button to clear the error and move the printer to a darker location.
After carrying out the above measures, if the problem continues after aligning the Print Head again, press the RESUME/CANCEL button to clear the error, and then perform manual print head alignment. For details on manual print head alignment, see "Manual Print Head Alignment."

Sep 10, 2014 | Canon PIXMA Office Equipment & Supplies

2 Answers

Wrong cartridge error code on canon pixma mp780 printer


Reseating the print head is seldomly needed to be done.Press the Open Button (1) to open the Paper Output Tray (2) Raise the Scanning Unit until it stops. Pull and hold the Scanning Unit Lever towards you, then raise the Scanning Unit.The Print Head Holder moves to the middle Open the Inner Cover 1.Open the Inner Cover 2.CAUTION: a. Do not try to manually move or stop the Print Head Holder.b. Do not touch any metal parts.Press the ink tank's tab (1), then remove it from the slot (2) IMPORTANT:Handle ink tanks carefully to avoid staining clothing or the surrounding area. Lift up the lock lever and take out the print head.Again, place the print head back in position and press down the lock lever. Insert the ink tank into the empty slot on the print head. Press down gently on the ink tank until an audible click is heard. Make sure the ink tank is in the correct slot IMPORTANT:a. Make sure that the ink tank is inserted in the slot that corresponds to the ink tank's color.b. If the ink tank is inserted in the wrong slot, perform two head refreshings.Close the Inner Cover 2.Close the Inner Cover 1.Pull the Scanning Unit Lever towards you to close the Scanning Unit.Align the print head position after the print head is installed. You can align the print head position either automatically or manually. When automatic alignment does not work well, align the print head position manually.Automatically Aligning The Print Head Position:Load A4-or letter-size plain paper in the paper support tray. Auto alignment cannot be performed when the Feed Switch is set to [CASSETTE].Press <Menu> epeatedly until [MAINTENANCE] appears.Press left or right arrow to select [AUTO HEAD ALIGN].Press <OK>. The print head position alignment pattern prints.Check the printed pattern. If the printed pattern matches the illustration, the print head position alignment is complete. Manually Aligning The Print Head Position:When automatic alignment does not work well, align the print head position manually.Load A4- or letter-size plain paper in the paper support or cassette.Select the paper source with <Feed Switch> button.Press <Menu> repeatedly until [MAINTENANCE] appears.Use left or right arrow to select [ALIGN PRINT HEAD].Press <OK>. A horizontal pattern is printed.Beginning from column A on the printout, enter checkmarks in the patterns that have the most solid image.(1): Bad example (Least solid box) 2): Good example (Most solid box) Press left or right arrow to select the pattern number that you checked in column A on the printout in step 6.A): Column(0): Select pattern number with most solid image Press <OK>.Repeat steps 7 and 8 to adjust columns B to L. When all the horizontal patterns are adjusted, you will be prompted to print a vertical pattern [PRINT VERT. PATTERN].Press left arrow. A vertical pattern is printed.Beginning from column M on the printout, enter checkmarks in the patterns that have the most solid image.(1): Bad example (Least solid box) 2): Good example (Most solid box) Press left or right arrow to select the pattern number that you checked in column M on the printout in step 11.Press <OK> Repeat steps 12 and 13 to adjust column N.

Oct 09, 2011 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Auto head align Fails screen says "change H


You need to print an alignment page. After you print it, you will be able to align the page using the up and down arrows.

Jan 27, 2011 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

HP Designjet 500, I have replaced the black print head twice, the first new print head would align and then fail the color calibration, the second new head aligns and pass's color calibration, but when I...


it seems there r some air in ur ink tube *** inser the priming heads & done the priming & reinstall the print heads if problem not resolved replace the carridge assembly,,,,,,,,,

Jun 03, 2010 | HP DesignJet 500ps (42 in.) InkJet Printer

1 Answer

Auto head alignment


#1 of 2

Carryout a Manual Print Head Alignment If Possible.

Manual Print Head Alignment

If the results of Automatic Print Head Alignment are not satisfactory, follow the procedure below to perform Manual Print
Head Alignment.


1 Make sure that the machine is turned on, and then load three sheets of A4 or Letter-sized plain paper in the Auto Sheet Feeder or the Cassette.

Important. You cannot print the print head alignment pattern if paper of size other than A4 or Letter is loaded. Be sure to use A4 or Letter-sized plain paper.

2 Open the Paper Output Tray, and then open the Output Tray Extension.
(1) Put your finger in the rounded indent of the Paper Output Tray and open it gently.
(2) Open the Output Tray Extension.
3 Press the Paper Feed Switch to select the paper source where you have loaded paper.
4 Select Settings on the HOME screen.
5 Select Maintenance, then press the OK button.
The Maintenance screen is displayed.
6 Select Manual head align, then press the OK button.
The confirmation screen is displayed.

Note. If you select Head alignment print, the machine exits the process after printing the current head position adjustment values.

7 Select Yes, then press the OK button.
8 When the Print Head alignment pattern is printed, select Yes, then press the OK button.
9 Look at the printout. From the patterns, select the most even, least irregular patterns for each column and input their numbers. Press the OK button.
(1) Select a column to input the pattern number.
(2) Use the or button to input the number of the pattern.
(3) Repeat the steps (1) and (2) until you finish inputting all pattern numbers, press the OK button.

Oct 08, 2009 | Canon PIXMA MP600 all-In-One InkJet...

1 Answer

The 3eBK head stopped printing.


Try below some steps which might help you resolve the problem.

Print Head Cleaning / Head Refreshing If the printed Nozzle Check Pattern is broken, missing, or a specific color is not printed, clean the print head.
  1. Press the <Menu> button on the printers operation panel repeatedly until [MAINTENANCE] appears in the LCD.
  2. Press the left [<] or right [>] arrow buttons to select the cleaning setting you want. Select [HEAD CLEANING] or [HEAD REFRESHING] for deep print head cleaning.

    Note: [HEAD REFRESHING] uses more ink than [HEAD CLEANING], so perform [HEAD REFRESHING] only when necessary.
  3. Press the <OK> button.
  4. Print a Nozzle Check Pattern and perform at least two Head Refreshings if the pattern is not correct.
If this does not help, try removing the print head and then install it again. Once place, dont forget to aligh the head. Following are the steps:

Reseat Print Head Reseating the print head is seldomly needed to be done.
  1. Press the Open Button (1) to open the Paper Output Tray (2).

    mp780_openbutton.gif
  2. Raise the Scanning Unit until it stops.
    1. Pull and hold the Scanning Unit Lever towards you, then raise the Scanning Unit.
    2. The Print Head Holder moves to the middle.

      mp780_scanunit.gif
  3. Open the Inner Cover 1.

    mp780_innercover1.gif
  4. Open the Inner Cover 2.

    mp780_innercover2.gif

    CAUTION:

    a. Do not try to manually move or stop the Print Head Holder.

    b. Do not touch any metal parts.
  5. Press the ink tank's tab (1), then remove it from the slot (2).

    mp780_inktankremoval.gif

    IMPORTANT:
    Handle ink tanks carefully to avoid staining clothing or the surrounding area.
  6. Lift up the lock lever and take out the print head.

    mp780_ph_removed.gif
  7. Again, place the print head back in position and press down the lock lever.

    mp780_ph_inserted.gif
  8. Insert the ink tank into the empty slot on the print head. Press down gently on the ink tank until an audible click is heard. Make sure the ink tank is in the correct slot.

    mp780_inktankclicked.gif

    IMPORTANT:

    a. Make sure that the ink tank is inserted in the slot that corresponds to the ink tank's color.

    b. If the ink tank is inserted in the wrong slot, perform two head refreshings.
  9. Close the Inner Cover 2.
  10. Close the Inner Cover 1.
  11. Pull the Scanning Unit Lever towards you to close the Scanning Unit.
  12. Align the print head position after the print head is installed. You can align the print head position either automatically or manually. When automatic alignment does not work well, align the print head position manually.
Automatically Aligning The Print Head Position:
  1. Load A4-or letter-size plain paper in the paper support tray. Auto alignment cannot be performed when the Feed Switch is set to [CASSETTE].
  2. Press <Menu> repeatedly until [MAINTENANCE] appears.
  3. Press left or right arrow to select [AUTO HEAD ALIGN].
  4. Press <OK>. The print head position alignment pattern prints.
  5. Check the printed pattern. If the printed pattern matches the illustration, the print head position alignment is complete.
Manually Aligning The Print Head Position:
When automatic alignment does not work well, align the print head position manually.
  1. Load A4- or letter-size plain paper in the paper support or cassette.
  2. Select the paper source with <Feed Switch> button.
  3. Press <Menu> repeatedly until [MAINTENANCE] appears.
  4. Use left or right arrow to select [ALIGN PRINT HEAD].
  5. Press <OK>. A horizontal pattern is printed.
  6. Beginning from column A on the printout, enter checkmarks in the patterns that have the most solid image.

    mp780_alignment1.gif

    (1): Bad example (Least solid box)

    (2): Good example (Most solid box)
  7. Press left or right arrow to select the pattern number that you checked in column A on the printout in step 6.

    (A): Column
    (0): Select pattern number with most solid image
  8. Press <OK>.
  9. Repeat steps 7 and 8 to adjust columns B to L. When all the horizontal patterns are adjusted, you will be prompted to print a vertical pattern [PRINT VERT. PATTERN].
  10. Press left arrow. A vertical pattern is printed.
  11. Beginning from column M on the printout, enter checkmarks in the patterns that have the most solid image.

    mp780_alignment2.gif

    (1): Bad example (Least solid box)

    (2): Good example (Most solid box)
  12. Press left or right arrow to select the pattern number that you checked in column M on the printout in step 11.
  13. Press <OK>.
  14. Repeat steps 12 and 13 to adjust column N.
I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.

If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!

Apr 25, 2009 | Canon PIXMA MP780 All-In-One InkJet...

2 Answers

Wron catridge


Try to reseat the print head:
Reseating the print head is seldomly needed to be done.
  1. Press the Open Button (1) to open the Paper Output Tray (2).

    mp780_openbutton.gif

  2. Raise the Scanning Unit until it stops.

    1. Pull and hold the Scanning Unit Lever towards you, then raise the Scanning Unit.
    2. The Print Head Holder moves to the middle.

      mp780_scanunit.gif

  3. Open the Inner Cover 1.

    mp780_innercover1.gif

  4. Open the Inner Cover 2.

    mp780_innercover2.gif

    CAUTION:

    a. Do not try to manually move or stop the Print Head Holder.

    b. Do not touch any metal parts.

  5. Press the ink tank's tab (1), then remove it from the slot (2).

    mp780_inktankremoval.gif

    IMPORTANT:
    Handle ink tanks carefully to avoid staining clothing or the surrounding area.

  6. Lift up the lock lever and take out the print head.

    mp780_ph_removed.gif

  7. Again, place the print head back in position and press down the lock lever.

    mp780_ph_inserted.gif

  8. Insert the ink tank into the empty slot on the print head. Press down gently on the ink tank until an audible click is heard. Make sure the ink tank is in the correct slot.

    mp780_inktankclicked.gif

    IMPORTANT:

    a. Make sure that the ink tank is inserted in the slot that corresponds to the ink tank's color.

    b. If the ink tank is inserted in the wrong slot, perform two head refreshings.

  9. Close the Inner Cover 2.

  10. Close the Inner Cover 1.

  11. Pull the Scanning Unit Lever towards you to close the Scanning Unit.

  12. Align the print head position after the print head is installed. You can align the print head position either automatically or manually. When automatic alignment does not work well, align the print head position manually.

Automatically Aligning The Print Head Position:
  1. Load A4-or letter-size plain paper in the paper support tray. Auto alignment cannot be performed when the Feed Switch is set to [CASSETTE].

  2. Press <Menu> repeatedly until [MAINTENANCE] appears.

  3. Press left or right arrow to select [AUTO HEAD ALIGN].

  4. Press <OK>. The print head position alignment pattern prints.

  5. Check the printed pattern. If the printed pattern matches the illustration, the print head position alignment is complete.

Manually Aligning The Print Head Position:
When automatic alignment does not work well, align the print head position manually.
  1. Load A4- or letter-size plain paper in the paper support or cassette.

  2. Select the paper source with <Feed Switch> button.

  3. Press <Menu> repeatedly until [MAINTENANCE] appears.

  4. Use left or right arrow to select [ALIGN PRINT HEAD].

  5. Press <OK>. A horizontal pattern is printed.

  6. Beginning from column A on the printout, enter checkmarks in the patterns that have the most solid image.

    mp780_alignment1.gif

    (1): Bad example (Least solid box)

    (2): Good example (Most solid box)

  7. Press left or right arrow to select the pattern number that you checked in column A on the printout in step 6.

    (A): Column
    (0): Select pattern number with most solid image

  8. Press <OK>.

  9. Repeat steps 7 and 8 to adjust columns B to L. When all the horizontal patterns are adjusted, you will be prompted to print a vertical pattern [PRINT VERT. PATTERN].

  10. Press left arrow. A vertical pattern is printed.

  11. Beginning from column M on the printout, enter checkmarks in the patterns that have the most solid image.

    mp780_alignment2.gif

    (1): Bad example (Least solid box)

    (2): Good example (Most solid box)

  12. Press left or right arrow to select the pattern number that you checked in column M on the printout in step 11.

  13. Press <OK>.

  14. Repeat steps 12 and 13 to adjust column N.

Jan 16, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Head align fail


Try cleaning the printhead with a cotton swab soaked in isopropyl alcohol.

Jan 14, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Printer


plz send it for repair

Apr 07, 2008 | Canon Pixma MP500 All-In-One InkJet...

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