Question about Canon imageCLASS MF4150 All-In-One Laser Printer

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I cannot support other USB devices when the printer is plugged in

My computer was giving me an error message on my USB devices. I went into Dell Computer troubleshooting and they said try unplugging other devices that might be draining the computer. When I unplugged the printer the other device worked. I still have the keyboard plugged in with no problem. This just started happening. We have enjoyed the printer with no other problems for almost a year. It is so much better than HP, which we have had for years. I wish I had tried a Canon before.

I hope you can solve this problem. The computer says I would need an external USB Device. But I have had this computer for 4 years with no problems of this sort before.
Thanks!

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  • paulg78 Nov 08, 2008

    When the printer is turned on, other USB ports no longer work (plugging in a USB device results in error: "USB device not recognized"). When the printer is turned off, other USB ports work. Previously I had a Brother multifunction plugged into the same computer/same port with no problems. I also have a Dell (Dimension 2400 running Windows XP).

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The driver for the canon printer may have corrupted. Unplug the printer. Uninstalled all existence of the canon printer driver. Restart you computer. Turn on the printer and then plug the USB cable to the computer. The drivers will get installed automatically and your printer will work fine.

Posted on Oct 07, 2008

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