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

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Cannon pixma 780

Please Wait is flashing all the time. Unplug both pwr and USB for a day then plug in just pwr Plaese Wait still there. No lights for copy, fax,scan or photo. Pwr button does nothing and stop reset same result. Tried new USB cable nothing.

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  • Anonymous Nov 16, 2008

    I have the same problem, anybody has a solution

  • jim_spinger Nov 20, 2008

    I have the same problem. If I just leave the printer flashing sometimes after a couple of hours sometimes after a few days it will continue through the power on sequence and work. After that it is fine until we have another power outage and it tries to turn back on. It seems to be something in the power up check, like the head position sensor.

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  • Master
  • 10,594 Answers

Is your printer under warranty? If yes, ask warranty cover please.

Posted on Sep 24, 2008

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Since this is a new printer, maybe there is some packing or packing tape that is obstructing the carriage.
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