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KurtHarders
n00b
Joined: 30 Apr 2006
Posts: 7
Location: Germany
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 Posted: Sun Apr 30, 2006 4:49 pm Post subject: /dev/usb/lp0 shows but does not print |
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Hello,
i configured a non-modular kernel for a server and want to attach an USB printer. When the printer is connected there is a /dev/usb/lp0 and the lsusb shows the correct information for the printer. But any output to the printer (echo xxx > /dev/usb/lp0...) does nothing, shows no error message or any log file entry.
Is there any idea to solve this problem?
Regards, Kurt
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Kurt Harders
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didymos
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Location: California
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| Posted: Sun Apr 30, 2006 4:58 pm Post subject: |
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Yeah, have you installed CUPS and configured it?
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Thomas S. Howard |
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mirojira
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Joined: 18 Feb 2006
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| Posted: Sun Apr 30, 2006 5:08 pm Post subject: |
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| Can you see yor printer using lsusb? |
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KurtHarders
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Joined: 30 Apr 2006
Posts: 7
Location: Germany
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| Posted: Sun Apr 30, 2006 5:16 pm Post subject: |
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| didymos wrote: | | Yeah, have you installed CUPS and configured it? |
Yes and no  . I started up with cups, then went back to lprng for several reasons. But the issue is not about the spooler or a driver, its about the printer doing really nothing. It should simply print the data i sent to it.
Regards, Kurt
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Kurt Harders
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KurtHarders
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Joined: 30 Apr 2006
Posts: 7
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| Posted: Sun Apr 30, 2006 5:18 pm Post subject: |
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| mirojira wrote: | | Can you see yor printer using lsusb? |
Yes. When the printer is switched off, /dev/usb disappears and after beeing switched on again it shows /dev/usb/lp0. lsusb shows the correct printer information.
Regards, Kurt
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Kurt Harders
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mirojira
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Joined: 18 Feb 2006
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| Posted: Sun Apr 30, 2006 5:28 pm Post subject: |
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| KurtHarders wrote: | | mirojira wrote: | | Can you see yor printer using lsusb? |
Yes. When the printer is switched off, /dev/usb disappears and after beeing switched on again it shows /dev/usb/lp0. lsusb shows the correct printer information.
Regards, Kurt |
In this case if you have configured your kernel properly you should find:
/lib/modules/'yourkernelname'/kernel/drivers/usb/class/usblp.ko |
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KurtHarders
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Joined: 30 Apr 2006
Posts: 7
Location: Germany
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| Posted: Mon May 01, 2006 5:12 am Post subject: |
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| mirojira wrote: | | KurtHarders wrote: |
When the printer is switched off, /dev/usb disappears and after beeing switched on again it shows /dev/usb/lp0. lsusb shows the correct printer information.
Regards, Kurt |
In this case if you have configured your kernel properly you should find:
/lib/modules/'yourkernelname'/kernel/drivers/usb/class/usblp.ko |
Sorry, no, i will not find that module, because my kernel is built without modules. But i will give it a try if it works with modules.
Regards, Kurt
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Kurt Harders
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mirojira
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Joined: 18 Feb 2006
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| Posted: Mon May 01, 2006 7:05 am Post subject: |
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| KurtHarders wrote: |
Sorry, no, i will not find that module, because my kernel is built without modules. But i will give it a try if it works with modules.
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Follow this:
cd /usr/src/linux
make menuconfig
Device drivers--->
USB Support --->
<M> USB Printer Support
Save menuconfig
make modules
make modules_install
Now you should find in /lib/modules/`uname -r`/kernel/drivers/usb/class file usblp.ko
Into file /etc/modules.autoload.d/kernel-2.6 add usblp
Reboot
And you should start printing  |
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KurtHarders
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Joined: 30 Apr 2006
Posts: 7
Location: Germany
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| Posted: Mon May 01, 2006 7:59 am Post subject: |
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| mirojira wrote: |
Follow this:
cd /usr/src/linux
make menuconfig
Device drivers--->
USB Support --->
<M> USB Printer Support
Save menuconfig
make modules
make modules_install
Now you should find in /lib/modules/`uname -r`/kernel/drivers/usb/class file usblp.ko
Into file /etc/modules.autoload.d/kernel-2.6 add usblp
Reboot
And you should start printing |
I just did a '*' instead of the M, and that gives me the above mentioned problem.
I will give the module a try and keep you informed
Thanks so far, Kurt
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Kurt Harders
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