https://bugzilla.novell.com/show_bug.cgi?id=743747
https://bugzilla.novell.com/show_bug.cgi?id=743747#c4
--- Comment #4 from Johannes Meixner 2012-01-27 14:40:23 UTC ---
In your attachment #472988
from Brother support they wrote:
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The issue is CUPS 1.5.0 seems to not have support for usblp printing.
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This is plain wrong.
Therefore don't file a bug report regarding this particular case
at upstream CUPS.
This does not mean there is no issue in CUPS why it cannot detect
your particular printer - there could still be another issue
in CUPS or elsewhere why it cannot detect those kind of Brother
printers since some time.
CUPS 1.5.0 in openSUSE has support for usblp printing:
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root@host# rpm -q cups
cups-1.5.0-76.2
root@host# /usr/lib/cups/backend/usb
direct usb://HP/LaserJet%201220 "HP LaserJet 1220" ...
root@host# rmmod usblp
root@host# /usr/lib/cups/backend/usb
root@host# modprobe usblp
root@host# /usr/lib/cups/backend/usb
direct usb://HP/LaserJet%201220 "HP LaserJet 1220" ...
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I.e. the CUPS backend "usb" in CUPS 1.5.0 in openSUSE
uses the usblp kernel module for printing, and this works
well for my printer and for very most other printers too,
except since some time for some particular Brother devices.
One can configure CUPS via the configure option --enable-libusb
to use libusb for USB printing instead of the traditional
method via usblp kernel module but in CUPS 1.5.0 in openSUSE
we do intentionally not yet use the new libusb method because
there are issue reports at upstream CUPS regarding libusb.
Perhaps
http://www.cups.org/str.php?L3884
is somehow related - but it seems this one is also about libusb.
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