Question about Canon PIXMA MP750 All-In-One InkJet Printer

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My Canon Pixma MP750 has been repeatedly failing to print selected colours despite numerous attempts at cleaning and head refreshment plus changing cartridges. I'm being told by a local maintenance outfit that it probably needs replacement heads and that with the cost involved I might as well replace it. Any advice would be appreciated

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The new printhead is QY6-0049-000, and costs around $40.00 You can easily replace it yourself.

Posted on Jul 13, 2009

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How do i clean the printhead on my pixma mp750


If you open the preferences option for your printer there should be a maintenance tab with easy options for cleaning and checking the results. The alternative is to use the menu directly on the printer: 1. Press Menu twice to show "2. Maintenance" 2. The first option is NOZZLE CHECK 3. Press OK This should give you a print showing the current state of each colour. If there are any missing lines in 3eBK or lines in any colours then perform the head cleaning below. 1. Press Menu twice to show "2. Maintenance" 2. Press + to show "CLEANING" 3. Press OK Repeat the nozzle check after each clean. If not improved after three attempts try a deep clean as below (cleaning uses up ink) 1. Press Menu twice to show "2. Maintenance" 2. Press + twice to show "HEAD REFRESHING" 3. Press OK Repeat the nozzle check. If still not printing correctly there are various external solutions available to clean the print head such as http://www.printheadhospital.co.uk/canon-hp-printhead-cleaning-kit.html

Oct 17, 2012 | Canon PIXMA MP750 All-In-One InkJet...

1 Answer

How do i remove and clean the printhead from a canon pixma mp780?


Hi there. i understand that you want to clean the printhead of your canon pixma mp780, dont worry im here to help you out with this.
do this following steps in order for you to clean the printhead.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.

    Take Note: [HEAD REFRESHING] uses more ink than [HEAD CLEANING], so perform [HEAD REFRESHING] only when necessary ok?

  3. Press the <OK> button.

  4. Print a Nozzle Check Pattern and perform at least two Head Refreshings if the pattern is not correct.
hope that this steps helped you a lot in cleaning the printhead of your printer.Good Luck!

May 30, 2011 | Office Equipment & Supplies

1 Answer

Colour ink not printing - just black


Try to clen the print head,go in the driver of the printer,next maintenance and clean the print head.If the problem persist you need to replace the print head.The print head is under the cartridge.If i have been useful please give me a vote :).Thanks

Apr 13, 2011 | Canon PIXMA MP750 All-In-One InkJet...

1 Answer

No Printed documents


Have you performed a print head cleaning? If not, follow the instructions below:

1) Press <Menu> on the panel repeatedly until [Maintenance] appears on the display

2) Press left or right arrow buttons until the cleaning setting you want appears, either [Head Cleaning] or [Head Refreshing]

3) Press the <OK> button.

Note: Head cleaning should be attempted first, and may need to be done more than once. Examine the results of the test page.

Head refreshing is more aggressive, uses more ink and should only be performed when necessary (ie. when multiple head cleanings failed to solve your print problem).

Dec 20, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Streaks on copy


Try these steps first:

1. Check ink level.


2. Nozzle Check Pattern
  1. Load A4- or letter-size plain paper in the Auto Sheet Feeder (ASF) or cassette.

  2. Press the <Feed Switch> button to select the appropriate paper source.

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

  4. Press <OK>.
    The machine prints a nozzle check pattern.

    bde48f2.jpg

  5. Confirm the pattern is not broken, missing, or a specific color is not printed.



3. 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.


You can also try using a higher quality print settings as follows:

Change the Print Quality Settings (Windows) The Quality setting controls how finely ink droplets are placed on the printed page. Depending on the type of paper being used a higher Print Quality setting does not always insure a better print. Print speed will decrease as the Print Quality setting is increased. Follow the instructions below to change the print quality settings in the Canon printer driver for the Windows operating system through a printing application.
  1. Click 'Properties' in the Print dialog box.

    Note: Depending on the Application software, 'Properties' may be displayed as 'Preferences'.

  2. Set the desired print quality in the 'Print Quality' section.

  3. Select 'High', 'Standard', or 'Draft / Fast'.
To set more detailed print quality settings, follow this procedure:
  1. Select 'Custom' and click 'Set'.

    cc8d5b7.jpg

  2. In the Set Print Quality dialog drag the slide bar from 'Fast' to 'Fine' to select the print quality.

    1bbaaa1.jpg

    Note: There are five options in 'Quality'. However, selectable options are limited depending on the media type.

  3. Select 'Auto', 'Dither', or 'Diffusion' from the 'Halftoning' section.


If the above steps do not solve your problem, it may be a time to purchase a new printhead.



Oct 09, 2009 | Canon PIXMA MP750 All-In-One InkJet...

2 Answers

MAGENTA NOT PRINTING


The other week I had the black print head clog up, requiring daily nozzle deep cleaning [a normal 'ocassional' maintenance function]. Thought I needed a new Print head, so anything worth a try.
I loaded up an old black cartridge [I load all my own......always have] with Isopropyl Alcohol and ran deep clean on that cartridge a couple of times, then repeat printed [6 times] a page full of the number 8 in about half inch character size, to get the alcohol through the nozzles. then Deep cleaned again 3 times, to wash it through the print head.

I reloaded the normal ink filled cartridge and ran the '8' page again till I got good black output. It has now been working without problem, daily, for over a week. Clearly if it's a Magenta only problem, the cleaning as described above would be a bit different, as the magenta is one of 4 colour cartridges.
My printer does quite a lot of work, and was bought at least a couple of years ago, being used daily for alpha numeric and photo printing work. This was the first difficulty I experienced with it.
Hope the above might help.Ken

May 21, 2009 | Canon PIXMA iP4000 InkJet Photo Printer

1 Answer

Printer prints same goobly gook over and over how do i clear


Solution: Perform the print head cleaning procedure MP750 / MP780

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.

Now if you mean not printing the letters correctly go to this site and download the drivers and reinstall them. Also you will find manuals on HOW TO sort of thing:
http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&tabact=SupportDetailTabAct&fcategoryid=238&modelid=10444#DownloadDetailAct

hope this helped, please leave rating

May 07, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

MP 750 WILL NOT COPY ON BLACK AND WHITE


Sailor,

Does MP750 print in black and white?
Does Scanner work in black and white?

May 29, 2008 | Canon PIXMA MP750 All-In-One InkJet...

1 Answer

Printer update


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. NOTE:
a. Cleaning the print head consumes a small amount of ink. Cleaning too often reduces the amount of ink in the ink tanks.

b. Print head cleaning is performed when you connect the power cord. Your machine may perform print head cleaning periodically to avoid clogging.
  1. Press <COPY> or <PHOTO>.

  2. Press <Menu> repeatedly until <USER DATA> appears.

  3. Press < (left arrow) or > (right arrow) to select [MAINTENANCE].

    sj402063.jpg

  4. Press <OK>.

  5. Use < or > to select [CLEANING] or [HEAD REFRESHIN] as necessary.

    sj402078.jpg

    [CLEANING]: Performs normal print head cleaning.
    [HEAD REFRESHIN]: Performs deep print head cleaning.

  6. Press <OK>.

    sj402079.jpg

  7. Print a Nozzle Check Pattern to see if print quality improved.
    1. Press <COPY> or <PHOTO>.
    2. Press <Menu> repeatedly until <USER DATA> appears.
    3. Press < (left arrow) or > (right arrow) to select [MAINTENANCE].

      sj402063.jpg
    4. Press <OK>.

      sj402064.jpg
    5. Press <OK> again.
      The machine prints a nozzle check pattern (A).

      sj402060.jpg

  8. If broken or white lines appear in the pattern, perform two Head Refreshings (from steps 1 through 6) then print another Nozzle Check Pattern.

  9. If print quality does not improve after two Head Refreshings, replace the appropriate ink tank.
Confirming The Nozzle Check Pattern
Broken lines
sj402061.jpg White lines
sj402062.jpg Click here to return to step x to perform Head Refreshings

Oct 18, 2007 | Canon PIXMA MP130 All-In-One InkJet...

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