Hi Tim,
Many thanks for your report.
As I can see on the supported scanners site
(http://www.sane-project.org/lists/sane-backends-cvs.html#S-PIXMA), your
scanner is completely supported by the SANE Development Version.
So, with the SANE git version you don't need to use 'PIXMA_EXPERIMENT=1'
anym
Canon MX892 (US model), works
tested:
150/300/600 dpi scans of an IT8 camera target using xsane front end over
802.11g, auto discovery
not tested:
USB / Ethernet
backend:
git clone as of today (16 May), no changes.
related software:
xsane 0.998
cnijfilter-mx890series-3.70-1.x86_64 from canon-a