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astronic
n00b
Joined: 16 Aug 2003
Posts: 44
Location: Dortmund, Germany
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 Posted: Thu Dec 25, 2003 4:24 pm Post subject: CUPS doesn't restart USB printer automatically |
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Dear Gentooists,
I got an HP LaserJet 1300 connected to an USB port working with CUPS. Everything's fine so far but if I turn the printer off and on again, CUPS doesn't automatically restart it (I have to go to the web interface and click on "Start Printer"). However, if I turn on the PC with the printer switched off and switch it on after the system has booted, CUPS recognizes that the printer is there and prints fine.
Hotplug is installed and activated and if I turn the printer off and on again /dev/usb/lp0 reappears after a few seconds, so I think it's a problem of CUPS and not the system.
Any ideas appreciated.
TIA,
Stefan |
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arwen
n00b
Joined: 29 Dec 2003
Posts: 47
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| Posted: Mon Dec 29, 2003 1:39 pm Post subject: |
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Try this.. (i'm writing this from my memory so beware the errors...)
(write this script to file /etc/hotplug/usb/printer or usblp if you are using kernel 2.6)
| Code: | #!/bin/sh
# file: /etc/hotplug/usb/printer
sleep 2
/etc/init.d/cups start
echo "#!/bin/sh" > $REMOVER
echo "/etc/init.d/cups stop" >> $REMOVER
echo "rmmod printer" >> $REMOVER
# for debugging
echo "$REMOVER" > /tmp/.remover_file_name
chmod +x $REMOVER
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(give the script execution rights: chmod +x /etc/hotplug/usb/printer)
IN SHORT: When you start your printer kernel loads the printer driver module and hotplug tries to run /etc/hotplug/usb/<kernel module name> script and when you switch off your printer the $REMOVER file is ran. I don't know if this works if you have printer driver compiled in kernel.
If the $REMOVER file is not working, check the /tmp/.remover_file_name file and look the directory exists where is it trying to create the remover file.
_________________
Arwen |
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