--OgqxwSJOaUobr8KG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable
On Sun, Sep 02, 2001 at 07:55:59PM +0200, Oliver Neukum wrote: > Am Samstag, 1. September 2001 22:45 schrieb Karl Heinz Kremer: > > I just got notice of a very disturbing change in the new EPSON > > scanner Perfection 1250 (and posibly the other new scanners > > they just released): Instead of just two bulk endpoints for > > the USB connection this scanner now uses two bulk and one > > interrupt end point. This is (at least for now) not supported > > by the USB scanner driver, therefore the scanner can not be > > used with the EPSON backend. >=20 > Hm... In principle it is support if the interrupt endpoint is used for=20 > reporting buttons and such stuff only. Has the protocol changed, too ? > Do you have usb snoopy traces ? From the description alone it might be th= e=20 > HP53xx protocol. All I know so far is that the scanner does not seem to respond to commands as the older EPSON scanners do: The backends sends a reset commands which should result in an ack return code (or an error message from the scanner), and the scanner does not answer.=20 I don't have access to the actual device, so I can not create any traces.=20 Karl Heinz --=20 Karl Heinz Kremer [email protected] PGP Key at http://www.freecolormanagement.com/download/khk.asc EPSON Sane Backend: http://www.freecolormanagement.com --OgqxwSJOaUobr8KG Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: PGP 6.5.8 iQCVAwUBO5KIyB4KmkKPBVxtAQGsFQP/UHyfo9k/xGBKBbtzASNGEE4xd51PBu9n 8juzeD/R9rW0f3J+s6Tz97CYQ6t336OoWZiZbjfy7Yc4aJXWKnyJd/kLjOfUwkIM GpmS8Mr1Do/bwN36I2R4Du3KSiySjlFH1NElKncvigyQRCXzgs7CrkXtFr4Ca+W8 K9FjDqy3WI8= =bmW+ -----END PGP SIGNATURE----- --OgqxwSJOaUobr8KG--
