[20:38:56] root@burek:/etc/cups$ LANG=C DEVICE_URI=usb://Canon/iP1000 /usr/lib/cups/backend/usb 5 root dupa 1 resolution=300 /home/d3x/print.ps
STATE: +connecting-to-device
DEBUG: Printer using device file "/dev/usb/lp0"...
STATE: -connecting-to-device
PAGE: 1 1
DEBUG: backendRunLoop(print_fd=3, device_fd=4, use_bc=0, side_cb=0x80499d0)
WARNING: Failed to read side-channel request!
DEBUG: Received 145 bytes of back-channel data!
DEBUG: Read 8192 bytes of print data...
STATE: -media-empty-error
STATE: -offline-error
INFO: Printer is now on-line.
DEBUG: Wrote 8192 bytes of print data...
WARNING: Failed to read side-channel request!
DEBUG: Received 145 bytes of back-channel data!
DEBUG: Read 8192 bytes of print data...
DEBUG: Wrote 8192 bytes of print data...
WARNING: Failed to read side-channel request!
DEBUG: Received 145 bytes of back-channel data!
DEBUG: Read 8192 bytes of print data...
DEBUG: Wrote 8192 bytes of print data...
WARNING: Failed to read side-channel request!
DEBUG: Received 145 bytes of back-channel data!
DEBUG: Read 8192 bytes of print data...
DEBUG: Wrote 8192 bytes of print data...
WARNING: Failed to read side-channel request!
DEBUG: Received 145 bytes of back-channel data!
DEBUG: Read 8192 bytes of print data...
DEBUG: Wrote 8192 bytes of print data...
WARNING: Failed to read side-channel request!
DEBUG: Received 145 bytes of back-channel data!
DEBUG: Read 8192 bytes of print data...
DEBUG: Wrote 8192 bytes of print data...
WARNING: Failed to read side-channel request!
DEBUG: Received 145 bytes of back-channel data!
DEBUG: Read 8192 bytes of print data...