When the job hangs, I see:
ls -l /dev/usb/lp* ls: cannot access /dev/usb/lp*: No such file or directory
ps auxwww | grep usb lp 2243 0.8 1.1 37020 2804 ? Sl 14:30 0:01 Samsung_SCX-4200_Series 32966 anonymous Test Page 1 job-uuid=urn:uuid:d674bfa7-ab5d-3105-4062-fe488128f865 nousb-unidir job-originating-host-name=localhost time-at-creation=1339759834 time-at-processing=1339759834 root 2244 0.0 0.5 23708 1396 ? Sl 14:30 0:00 usb://Samsung/SCX-4200%20Series?serial=8T66BADQ207127T.&interface=1 32966 anonymous Test Page 1 job-uuid=urn:uuid:d674bfa7-ab5d-3105-4062-fe488128f865 nousb-unidir job-originating-host-name=localhost time-at-creation=1339759834 time-at-processing=1339759834 it 3526 0.0 0.3 5596 800 pts/1 S+ 14:33 0:00 grep --color=auto usb
When the job hangs, I see:
ls -l /dev/usb/lp*
ls: cannot access /dev/usb/lp*: No such file or directory
ps auxwww | grep usb SCX-4200_ Series 32966 anonymous Test Page 1 job-uuid= urn:uuid: d674bfa7- ab5d-3105- 4062-fe488128f8 65 nousb-unidir job-originating -host-name= localhost time-at- creation= 1339759834 time-at- processing= 1339759834 SCX-4200% 20Series? serial= 8T66BADQ207127T .&interface= 1 32966 anonymous Test Page 1 job-uuid= urn:uuid: d674bfa7- ab5d-3105- 4062-fe488128f8 65 nousb-unidir job-originating -host-name= localhost time-at- creation= 1339759834 time-at- processing= 1339759834
lp 2243 0.8 1.1 37020 2804 ? Sl 14:30 0:01 Samsung_
root 2244 0.0 0.5 23708 1396 ? Sl 14:30 0:00 usb://Samsung/
it 3526 0.0 0.3 5596 800 pts/1 S+ 14:33 0:00 grep --color=auto usb