On 2003.03.17 21:42 Eddy De Greef wrote: > On 2003.03.14 21:25 Pigeon wrote: > > I have a Mustek 1200CP scanner and the latest versions of sane: > > [...] > > It appears that the scanner carriage is advancing two steps when the > > software thinks it has only advanced one step. Scanning anything > > larger than half the length of A4 results in the carriage attempting > > to overrun the end of its travel with unpleasant slipping of gears. > > All scans come out "squashed" and need to be expanded 2:1 in the > > vertical direction. > > Does it happen at all resolutions?
Yes. > What you describe looks as if you are using the 1200CP settings on > a 600CP. I presume that you are sure that it's a 1200CP ? I suppose it's conceivable that the factory could have put the wrong badge on it, but apart from that, yes. > You could try the 600CP setting and see what it gives. Remarkably enough, it seems to work fine! Thanks very much! Maybe they did put the wrong badge on it. > Another thing you could try is to disable fast skipping in your > mustek_pp.conf, eg.: > > scanner Mustek_1200CP 0x378 1200 > option slow_skip No, this makes no difference. > But be careful and limit the height of the scans to at most 1/2 of > the page. The gear slipping isn't very healthy. I know :-) > > Also, the light flashes on and off rapidly during the scan; I am not > > sure if this is related. > > It normally flashes about 1 time per second, but it isn't controlled by > the driver. I meant much more rapidly than that. Now it's working, it seems much steadier, so maybe it was related; maybe it was off for all the skipped lines. Many thanks for your most useful reply. Pigeon
