Attachment #625584
snapshot of "Add new printer" output although USB printer is connected image/png 2015-03-05 18:16:15 UTC 21.62 KB no flags Details
Attachment #626167
result of Add Printer in CUPS not finding USB connected printer image/png 2015-03-10 16:49:30 UTC 51.81 KB no flags Details
Attachment #626177
As per your debug instructions text/plain 2015-03-10 17:07:17 UTC 73.01 KB no flags Details
Attachment #626249
'lpinfo --include-schemes usb -v' output (Saša Janiška) text/plain 2015-03-11 06:54:54 UTC 11.11 KB no flags Details
Attachment #626368
As requested in comment 22 - cups-error_log.lpinfo-v.usb text/plain 2015-03-11 15:22:44 UTC 12.85 KB no flags Details
Attachment #626790
/var/log/messages text/x-log 2015-03-13 12:20:45 UTC 111.41 KB no flags Details
Attachment #626791
/var/log/cups/error.log text/plain 2015-03-13 12:21:52 UTC 199.07 KB no flags Details
Attachment #639418
output from strace : strace -o strace.usb /usr/lib/cups/backend/usb text/plain 2015-06-27 09:15:22 UTC 60.18 KB no flags Details
Attachment #639534
output from lsusb text/plain 2015-06-29 12:55:35 UTC 1.92 KB no flags Details
Attachment #639538
the application/x-executable 2015-06-29 13:25:41 UTC 9.96 KB no flags Details

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Attachment #639643
Strace for backend/usb text/plain 2015-06-30 10:52:21 UTC 64.40 KB no flags Details
Attachment #639984
CUPS error after setting debug on text/plain 2015-07-02 17:33:45 UTC 144.48 KB no flags Details