[sane-devel] Epson Perfection 1650

[Sergey Smirnov]

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@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@www.mostang.com
>>>>http://www.mostang.com/mailman/listinfo/sane-devel
>>>>
>>-- 
>>Sergey Smirnov
>>
> 
-- 
Sergey Smirnov