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I need to make a printing server using linux. The printer is a deskjet 3550, usb. I have installed cups, ESP ghostscript, HPLIP and hpijs (official HP driver stuff). But ...
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  1. #1
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    weird USB problem: need help


    I need to make a printing server using linux. The printer is a deskjet 3550, usb.
    I have installed cups, ESP ghostscript, HPLIP and hpijs (official HP driver stuff). But it isnt working, i have a device_not_found error.

    I use a USB mouse, and it works perfectly. If i unplug and plug my mouse again, this is what happens at /var/log/messages:

    Mar 8 10:49:09 localhost kernel: usb 2-1: USB disconnect, address 5
    Mar 8 10:49:11 localhost kernel: usb 2-1: new low speed USB device using uhci_hcd and address 6
    Mar 8 10:49:11 localhost kernel: input: HID 1241:1177 as /class/input/input5
    Mar 8 10:49:11 localhost kernel: input: USB HID v1.10 Mouse [HID 1241:1177] on usb-0000:00:1d.1-1

    Weird thing is that: I plug and unplug my printer usb cable lots of times, on all usb slots, and there is no message at /var/log/messages. No changes at /proc/bus/usb/devices. I have even recompiled my kernel with built-in USB printer support and UHCI.

    Anyone got any clue on why this happens? I dont know what else to do. Thanks.

  2. #2
    Super Moderator Roxoff's Avatar
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    Look I know it's a stupid question, but I gotta ask it. When you plug in the printer, you do turn its power on dont you? It's just that a mouse has no external power supply, but printers do.
    Linux user #126863 - see http://linuxcounter.net/

  3. #3
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    Quote Originally Posted by Roxoff
    Look I know it's a stupid question, but I gotta ask it. When you plug in the printer, you do turn its power on dont you? It's just that a mouse has no external power supply, but printers do.
    yeah,power is on.

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