Experimental RTS8891 SANE backend
Scanners supported
This backend supports the UMAX Astra 4400/4450 and HP 4470c. USB Ids:
- 0x03f0 0x0805
- 0x1606 0x0070
Status since 2008-04-01
The rts8819 backend is now included is SANE's CVS. Older releases here are kept only for history. Please go to SANE site to download sources. The backend
will be part of 1.0.20 release and the following ones.
Status of build rc2 (2008-03-17)
- the backend is now complete
- 75, 150, 300, 600 and 1200 dpi scans
- custom gamma table support
- button support
- lamp on/off options
- can be open by multiple backends at once
- no known bugs
Status of build rc1 (2008-03-14)
- the backend is now finished
- 75, 150, 300, 600 and 1200 dpi scans
- custom gamma table support
- button support
- no known bugs
Status of build 38 (2008-03-05)
- buttons are working
- shading correction has been fixed and picture quality is good
- 75, 150 DPI modes are working very well
- 300, 600 and 1200 DPI work if the width of the scan area is small
Status of build 35 (2008-02-29)
- buttons are working
- 75, 150 and 300 DPI scan modes are working
- 600 and 1200 DPI scans don't work
Status (2008-01-07)
- buttons are working
- all scan modes are working
- wide scans at 600 or 1200 dpi give 'empty' scans
- sensor of HP4470c sold with XPA is different from the one currently coded, and is only supported for color preview
Sources
The full SANE CVS sources patched with the backend are at sane-backends-rts8891.tar.gz
Unpack the sources, configure and compile.
Or you can grab it as patch against SANE 1.0.19 rts8891.patch.gz
You may use the script to do a preview with scanimage and full debug activated, and xrun to run xsane before doing a system wide install.
You can send me or SANE devel (registration required) feedback about your success or problem reports.