https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/CP900-fails-to-boot-shows-Canon-screen-but-never-progresses/m-p/275305#M4934 I have/had the same problem. Called support to no avail. They offered a small discount on a newer model. I have built a few computers in my lifetime. The problem is that the printer was not used for a long time. There must be a battery or a diode on the control board. I had my plugged in for over 24 hours and then I did the reset procedure. That is unplug the printer and press the power button 5 times, wait a few minutes and then plug it back in and power it on. Just doing the reset procedure sometimes works, but if it does not as I said, leave it plugged in for a long time. Fri, 07 Jun 2019 18:18:53 GMT phoenix8 2019-06-07T18:18:53Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/CP900-fails-to-boot-shows-Canon-screen-but-never-progresses/m-p/125291#M4932 <P>Even after disconnecting power for 24hrs, when powering on my CP900 shows the Canon screen but never progresses past that state. Is there a way to hard-factory-reset at power-on ?</P><P>Any other ideas or solutions to revive it?</P> Sat, 15 Nov 2014 04:50:56 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/CP900-fails-to-boot-shows-Canon-screen-but-never-progresses/m-p/125291#M4932 dogldogl 2014-11-15T04:50:56Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/CP900-fails-to-boot-shows-Canon-screen-but-never-progresses/m-p/275304#M4933 <P>I have/had the same problem. Called support to no avail. They offered a small discount on a newer model. I have built a few computers in my lifetime. The problem is that the printer was not used for a long time. There must be a battery or a diode on the control board. I had my plugged in for over 24 hours and then I did the reset procedure. That is unplug the printer and press the power button 5 times, wait a few minutes and then plug it back in and power it on. Just doing the reset procedure sometimes works, but if it does not as I said, leave it plugged in for a long time.</P> Fri, 07 Jun 2019 18:01:39 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/CP900-fails-to-boot-shows-Canon-screen-but-never-progresses/m-p/275304#M4933 phoenix8 2019-06-07T18:01:39Z https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/CP900-fails-to-boot-shows-Canon-screen-but-never-progresses/m-p/275305#M4934 I have/had the same problem. Called support to no avail. They offered a small discount on a newer model. I have built a few computers in my lifetime. The problem is that the printer was not used for a long time. There must be a battery or a diode on the control board. I had my plugged in for over 24 hours and then I did the reset procedure. That is unplug the printer and press the power button 5 times, wait a few minutes and then plug it back in and power it on. Just doing the reset procedure sometimes works, but if it does not as I said, leave it plugged in for a long time. Fri, 07 Jun 2019 18:18:53 GMT https://community.usa.canon.com/t5/Desktop-Inkjet-Printers/CP900-fails-to-boot-shows-Canon-screen-but-never-progresses/m-p/275305#M4934 phoenix8 2019-06-07T18:18:53Z