Updated CUPS to 1.5.3-0ubuntu2~ppa9.
Tested with usblp not blacklisted. After several successfully printed jobs, CUPS job hangs with "Rendering completed",
grep 32970 /var/log/cups/error_log returns same errors as before:
D [18/Jun/2012:16:22:17 +0300] [Job 32970] Got USB transaction timeout during read.
D [18/Jun/2012:16:22:29 +0300] [Job 32970] Got USB transaction timeout during write.
ls -l /dev/usb/lp*
ls: cannot access /dev/usb/lp*: No such file or directory
Updated CUPS to 1.5.3-0ubuntu2~ ppa9.
Tested with usblp not blacklisted. After several successfully printed jobs, CUPS job hangs with "Rendering completed",
grep 32970 /var/log/ cups/error_ log returns same errors as before: 2012:16: 22:17 +0300] [Job 32970] Got USB transaction timeout during read. 2012:16: 22:29 +0300] [Job 32970] Got USB transaction timeout during write.
D [18/Jun/
D [18/Jun/
ls -l /dev/usb/lp*
ls: cannot access /dev/usb/lp*: No such file or directory
ps auxwww | grep usb SCX-4200_ Series 32970 anonymous Test Page 1 job-uuid= urn:uuid: 50cca4a5- 31a5-335f- 55e1-1c4855b2c7 a8 nousb-unidir job-originating -host-name= localhost time-at- creation= 1340025556 time-at- processing= 1340025556 SCX-4200% 20Series? serial= 8T66BADQ207127T .&interface= 1 32970 anonymous Test Page 1 job-uuid= urn:uuid: 50cca4a5- 31a5-335f- 55e1-1c4855b2c7 a8 nousb-unidir job-originating -host-name= localhost time-at- creation= 1340025556 time-at- processing= 1340025556
lp 3093 0.3 1.1 37020 2804 ? Sl 16:19 0:01 Samsung_
root 3094 0.0 0.5 23708 1396 ? Sl 16:19 0:00 usb://Samsung/
it 3172 0.0 0.3 5596 796 pts/0 S+ 16:26 0:00 grep --color=auto usb