Hi On Sun, Sep 8, 2024, 02:29 Marco Moock <[email protected]> wrote:
> Am 07.09.2024 um 17:08:07 Uhr schrieb Ralph Little: > > > On 2024-09-06 04:12, Marco Moock wrote: > > > Am Tue, 3 Sep 2024 17:55:36 -0700 > > > schrieb Ralph Little <[email protected]>: > > ... > > >> Tried various resolutions in colour scan mode using scanimage: > > >> > > >> 75 - scans OK, but the image is a little light. > > >> 150 - seems to go through the motions, but the scanned image is > > >> blank. 300 - scans OK > > >> 600 - scans OK > > >> 1200 - starts to scan then gets the error that you reported. > > > > I have merged some changes that were submitted 4 years ago which > > improves this backend considerably: > > https://gitlab.com/sane-project/backends/-/merge_requests/853 > > The original MR languished in obscurity unfortunately. Apologies for > > not getting on top of that. > > Thanks. > > > The images are better and 150dpi now works. The general colour > > rendition still isn't great but the scans are consistent and fairly > > crisp. Preview seems to work consistently and I have not seen the > > crashing behaviour. > > The crash behavior for 1200 dpi or the behavior that the first and > sometimes 2nd attempt to scan results in nothing and a hang of the > scanning application? > Sorry I mean the carriage crash that necessitated the power off of the machine. > > 1200dpi gets further but still fails eventually. Looks like a > > buffering issue, because some data is received. > > You are using Debian, but if it helps, our nightly GIT PPA snapshot > > should contain the changes tomorrow morning, assuming it doesn't fail > > (again): https://launchpad.net/~sane-project/+archive/ubuntu/sane-git > > It failed. > If that is fixed I will try the new version and report back. > Looks like it built ok. Yeah the 1200dpi scan gets further but still fails. I did have a quick look and it is pulling quite a bit of data but something happens halfway through that causes an error in the backend. I will investigate it. Cheers Ralph > > -- > kind regards > Marco >
