forward to list as well, sorry Dr R.... ---------- Forwarded message ---------- From: m. allan noah <kitno...@gmail.com> Date: Thu, Dec 18, 2008 at 8:37 AM Subject: Re: [sane-devel] umax1220u: sane_start: Invalid argument To: "D. Hugh Redelmeier" <hugh at mimosa.com>
On Wed, Dec 17, 2008 at 10:23 PM, D. Hugh Redelmeier <hugh at mimosa.com> wrote: > | From: m. allan noah <kitno455 at gmail.com> > > | You could try to get a debug log of the backend in operation: > | > | SANE_DEBUG_UMAX1220U=255 scanimage 2>error.log > > Thanks. That seems to give useful information. Not that I know how > to interpet it. > > Near the end, just before the error message, the > UMAX_set_scan_parameters don't look reasonable to me. Are the > resolutions DPI? If so, they seem low. Is it OK to have so many of > the other parameters 0? <snip> > [umax1220u] sane_start > [umax1220u] UMAX_set_scan_parameters: > [umax1220u] color = 1 > [umax1220u] xo = 0, yo = 0 > [umax1220u] w = 0, h = 0 > [umax1220u] xres = 75, yres = 75 > [umax1220u] left = 0, top = 0 > [umax1220u] right = 0, bottom = 0 > scanimage: sane_start: Invalid argument > [umax1220u] sane_cancel: handle = 0x692080 > [umax1220u] sane_cancel: canceling is unsupported in this backend > [umax1220u] sane_close > [umax1220u] UMAX_close_device: > [umax1220u] sane_exit > yes- it appears odd that all of those values are 0. what is the output of scanimage --help allan -- "The truth is an offense, but not a sin" -- "The truth is an offense, but not a sin"