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

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Canon mp780 Alarm light blinks and my printer won't accet paper. The alarm sounds off and no copies come. lws

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I would say that you have a paper jam or maybe you did have one & pulled the paper out backwards & you may have damaged the little paper switch right down the bottom of the paper slot if thats the case you will need to take it to a proper repairer

Posted on Oct 27, 2008

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Canon PIXMA MP780: The Clear Paper Jam alarm does not go off, although I have cleared all the paper out of the printer; turned it off, unplugged it, sprayed all the orifices with canned air; and turned it...


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Turn off the printer. Open the Rear access door and clean the rollers with lint free cloth ( upwards just like the paper is rolled )

This should fix the issue.

* Please rate this solution with Thumbs up and comment to help us improve providing support

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Solution 1:
Move the printhead carriage back and forth a few times.

Solution 2:
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All I ask is please come back and just gave a vote, it will gave me some satisfaction to know am helping some one so I will keep on helping.
All The Best: Pineworks

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1 Answer

Canon mp780 -waste ink near full??


Dear mr perfect,
Few days ago I have answered the same question about this for Canon MP700. Here is my answer:
Waste ink absorber capacity of your printer has rise to about 90-95 %. Tentatively, you can continue printing by pressing STOP/RESET button. When ink absorber capacity reach about 100%, the printer stop working and message 'Waste Ink Tank is Full' appears.
To fix this problem, you need to reset waste ink counter. It strongly recommended that you replace waste ink absorber after resetting waste ink counter.
Here are steps resetting waste ink counter of this printer:
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  • While holding ON/OFF button, release the STOP/RESET button. (Do not release the ON/OFF button).
  • While holding the ON/OFF button, press the STOP/RESET 2 times and then release all buttons. (Each time STOP/RESET is pressed, the alarm LED and COPY lights alternately starting with alarm LED).
  • When the COPY button lights in green, press STOP/RESET button 4 times. (Each time STOP/RESET is pressed, the alarm LED and COPY lights alternately starting with alarm LED).
  • Turn off the printer.
Your printer should work normally now.
Regards,

Source:
Canon IJ Forum

Dec 06, 2008 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

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## 357 error is the ASF paper feed position error on the MP780.
I have the maintenance manual in pdf format I could email you, its a 5.6Mb file be warned :)
regards Paul
pduffyd@hotmail.com

Jan 16, 2008 | Canon PIXMA MP780 All-In-One InkJet...

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