On Thu, Mar 03, 2011 at 10:42:47PM +0100, Louis Lagendijk wrote: > Please post the output of sane-find-scanner with the scanner attached > through USB. What chip is detected?
it reports: found USB scanner (vendor=0x04a9 [Canon Inc], product=0x2736 [MF4570dn]) at libusb:002:010 it seems no chip is detected. > Once we know if one of the existing > backends can be made to work over USB, I can have look at integrating > the MFNP stuff (which looks like USB over TCP!) in that backend. The > mfnp looks similar to BJBP, except for the last few packets, but that > may be an extension to read the buttons. i don't think it's buttons (as nothing scan-related has yet shown any reaction to pressing buttons), but could be anything similar. > > [ could a python backend be used? ] > This does not look a very attractive route for integration in Sane to > me. Lets first see if sane-find-scanner recognizes the scanner when > attached over USB. It is quite likely that a well-known chipset is used > that is already supported by one of the existing backends. If so, and > the backend is patched to work with your scanner, we can look at USB > over TCP. is there a way to forcibly try the existing implementations on the device (without its chipset being known)? thanks chrysn -- There's always a bigger fish. -- Qui-Gon Jinn -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 198 bytes Desc: Digital signature URL: <http://lists.alioth.debian.org/pipermail/sane-devel/attachments/20110305/2fd07288/attachment.pgp>