Canon PIXMA MP780 All-In-One InkJet Printer Logo

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Anonymous Posted on Feb 08, 2018

My canon mp780 won't turn on

I got an error message telling me to check the printer and push the "ok" button. I tried that but nothing happened. I tried printing a page and got an error message on my computer telling me to press the "ok" button again. Then the machine just shut down completely and won't start up now.

1 Answer

Dayton Computer

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  • Master 669 Answers
  • Posted on Feb 08, 2018
Dayton Computer
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Make certain you have the current updated drivers for the printer. Check to see if the printer is recognized as one of the devices active and available. If its wireless, be certain the communication is both ways. Do a printer test of the Wireless transmission phase. If you connect directly by Cat5/6 cable with Ethernet, check drivers. Check cables. Check for a positive connection on both ports, Computer and Printer. Make certain the printer listed is the Main Printer when you do a setup.

5 Related Answers

A

Anonymous

  • Posted on Jan 21, 2008

SOURCE: Check Ink U130 5BK

Hold down the Stop/Reset button for 5 seconds or so - should start working now - although this stops the low ink warnings from then on

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Anonymous

  • 1 Answer
  • Posted on Mar 31, 2009

SOURCE: error 306 is happening each time i try to print document.

I reloaded the printer driver and it worked again.

michael_grey

Michael Grey

  • 365 Answers
  • Posted on Jun 17, 2009

SOURCE: mp780 wrong cartridge error

Try to reset to factory .
Remove ink cartridges and print head.
Power off machine and unplug for 10-15 minutes.
Restart machine and install head and cartridges.

Anonymous

  • 2 Answers
  • Posted on Nov 29, 2009

SOURCE: Canon MP810-CD-R Tray loading-printing problem

I am trying to print on DVD with Canon MP810 but the image won't line up - seems to be taking the tray too far in and printing some of the image on the F tray! Help.... it's driving me nuts

Anonymous

  • 228 Answers
  • Posted on Dec 30, 2010

SOURCE: My MP780 is displaying wrong cartridge, I tried to

I had the same problem on my pixma mp780. I cleaned the printer head. it worked for about a year, but then i had to replace the printer head. after you clean or replace it reboot it.

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Related Questions:

51helpful
1answer

My MP780 is displaying wrong cartridge, I tried to use the ok button, and tried to turn the printer off and then back on again and the error message won't clear, I even went so far as to take all the...

I had the same problem on my pixma mp780. I cleaned the printer head. it worked for about a year, but then i had to replace the printer head. after you clean or replace it reboot it.
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Hi my printer PIXMA MP780 all in one is not working when switched on it gives me the erra message ##357. everything is on but its not working. Please help

357 ASF paper feed (AP) position error
Cause: An error occurs at the AP positioning in the ASF (Auto Sheet Feeder) unit.
Solution: (1) To reboot, press [OK] button or turn off and then on the power.
(2) Replace the SHEET FEED ***'Y.
(3) Replace the SPCNT board.
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Alert light on says to press ok button, nothing happensm always says check printer push ok

That's an older model, it gives no error code until you enter service mode and get the code. Service mode is only available to service techs since there several things you can do in there that could ruin your printer. You can find the nearest Canon service by calling 1-800-828-4040
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Printer is not working

It is possible that the FAX in the memory is causing the problem. Try unplugging the printer from the wall and leave it off for a minute or two to see if it will clear the memory
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When i turn it(canon MP780)on, i see a error (##357). How can i fix it?

The service manual says this for ##357:
ASF paper feed (AP) position error.
AND ALSO:
##357 ASF paper feed (AP) position error
Cause: An error occurs at the AP positioning in the ASF (Auto Sheet Feeder) unit.
Solution: (1) To reboot, press [OK] button or turn off and then on the power.
(2) Replace the SHEET FEED ***’Y.
(3) Replace the SPCNT board.
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Canon Pixma MP780 gives no lights no response

There are no error code #300 to look up. Please check the error code again and repost and I'll try to help you out with this problem. However the is a #300 error for the fax, it's basically a wrong number was dialed.
You can get the Manual from Canon's website. www.usa.canon.com
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Canon PIXMA MP780 All-in-One Printer, etc.

Is this scanner installed onto a Vista computer?

In some cases the scan button may not operate without a memory resident program installed.

It will work by selecting my computer and selecting the scanner on the window. By double clicking on it, it will scan whatever is on the glass.

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Canon PIXMA MP780 - suddenly no power

Mine has the same problem. The only difference is it threw a few errors first (weird stuff like improper cartridge, etc.) and I had to unplug/replug in the power to get it to work. Now, nothing at all. Dead. I really liked this unit too! Always used brand new Canon ink. Any ideas?
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Mp780 error code ##357

Try Canon Technical Support-maybe a defective printer to be replaced with a recon unit. failing that try www.fixyourownprinter.com
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