Question about Canon PIXMA MP780 All-In-One InkJet Printer
Are you using the USB or the Network setup?
There are issues with network printers and vista going offline and having to be reinstalled again and again.
If it is a network unit you should upgrade the firmware on your router, change the router's dhcp range to a minimum of xxx.xxx.xxx.50 and over. Then set a static IP on the printer below that range, such as xxx.xxx.xxx.49 then re-install the printer on the computer and it should stay online.
Let me know if you need anything else,
Posted on Feb 03, 2010
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Posted on Jan 02, 2017
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