[sane-devel] Epson Perfection 1650

[Willy Gardiol]

Hi!

this is exactly my problem!
i think it is a bug in the scanner.o driver because i can perfectly scan 
negatives at 1600 dpi under Windows2000 emulated under WMVare (so using huci 
driver). My kernel is 2.4.17


On Monday 11 February 2002 12:11, Sergey Smirnov wrote:
> I tried with both drivers:
> uhci and usb-uhci.
> I use USB Controller: Intel Corp. 82371AB PIIX4 USB (rev 01)
>
> Karl Heinz Kremer wrote:
> > One more question: What USB host controller are you using (OHCI or UHCI),
> > and which driver? There are two for UHCI: uhci and usb-uhci. Somebody
> > just reported performance issues with the uhci driver. If this is
> > what you are using, you may want to try the other one.
> >
> > Karl Heinz
> >
> > On Thu, Feb 07, 2002 at 03:57:09PM +0300, Sergey Smirnov wrote:
> >> Karl,
> >>I'm using Debian unstable with kernel 2.4.18-pre8, sane 1.0.7(epson
> >> backend 0.2.19, xsane 0.84
> >>I have increased timeout up to 160
> >>#define RD_NAK_TIMEOUT (160*HZ)
> >>I also tried with SANE_DEBUG_EPSON=64
> >>...
> >>[epson] receive buf, expected = 4, got = 4
> >>[epson] receive buf, expected = 45, got = 45
> >>[epson] SANE_START: color: 19
> >>[epson] SANE_START: resolution (x, y): (1600, 1600)
> >>[epson] SANE_START: area[dots] (x-offset, y-offset), (x-range, y-range):
> >>(765, 9900), (1488,
> >>2273)
> >>[epson] SANE_START: data format: 16
> >>[epson] SANE_START: halftone: 0
> >>[epson] SANE_START: brightness: 0
> >>[epson] SANE_START: gamma: 2
> >>[epson] SANE_START: zoom[percentage] (x, y): (100, 100)
> >>[epson] SANE_START: color correction: 128
> >>[epson] SANE_START: outline emphasis: 0
> >>[epson] SANE_START: read mode: 0
> >>[epson] SANE_START: mirror image: 0
> >>[epson] SANE_START: (new B6 or B7 command ESC s): 0
> >>[epson] SANE_START: (new B6 or B7 command ESC t): 128
> >>[epson] SANE_START: line counter: 3
> >>[epson] SANE_START: extension control: 1
> >>[epson] SANE_START: (new B6 or B7 command ESC N): 1
> >>[epson] send buf, size = 2
> >>[epson] sane_get_parameters()
> >>[epson] Preview = 0
> >>[epson] Resolution = 1600
> >>[epson] get para 0x80fbe80 0x80fc528 tlx 12.143967 tly 157.164154 brx
> >>35.803833 bry 193.255493 [mm]
> >>[epson] sane_read: begin
> >>[epson] sane_read: begin scan1
> >>[epson] error in receive - status = 5
> >>[epson] receive buf, expected = 6, got = -1
> >>...
> >>Thank's.
> >>
> >>>Sergey,
> >>>
> >>>which Linux distribution are you using? What kernel and
> >>>Sane version?
> >>>
> >>>You probably have some messages on your console about
> >>>USB timeouts after this happens. The reason is very likely
> >>>that your kernel is too old and does not have the increased
> >>>timeout for USB scanner transmissions.
> >>>
> >>>Please see my page at http://www.khk.net/sane/faq.html for
> >>>more information.
> >>>
> >>>Karl Heinz
> >>>
> >>>Sergey Smirnov <svs at leaves.ru> said:
> >>>> Hi,
> >>>>I have problem with Epson Perfection 1650.
> >>>>I can't scan negative film with resolution more than 1200.
> >>>>I/o error and only power off reset scanner.
> >>>>--
> >>>>Sergey Smirnov
> >>>>_______________________________________________
> >>>>Sane-devel mailing list
> >>>>Sane-devel at www.mostang.com
> >>>>http://www.mostang.com/mailman/listinfo/sane-devel
> >>
> >>--
> >>Sergey Smirnov