[sane-devel] ScanMaker 3800
m. allan noah
kitno455 at gmail.com
Wed Dec 8 15:06:22 UTC 2010
Attached, but I'm afraid it's not that helpful.
On Wed, Dec 8, 2010 at 9:49 AM, Armin Stebich <coding at lordofbikes.de> wrote:
> I'm currently working on a backend for my ScanMaker 3800.
> First I customized the sm3840 backend to get the scanner identified. The
> SM3840 and SM3800 have the same controller chip SQ Scan08, but the register
> protocol and/or values are not the same. The motor is switched on, there is
> a loud noise, but the shaft doesn't turn. Even with the belt removed the
> result is the same, thus it must be a problem with a register value
> controlling the stepper motor.
> At the moment I try to figure out the secrets behind the USB protocol,
> comparing the sm3840 source and SANE logs against the sm3800 Windows logs.
> If there is somebody having some hints for me, you're welcome.
> I found the link http://www.sq.com.tw/products/spec/scan08Spec.PDF in older
> posts, but the link is dead. Is there somebody who has a backup of this
> document? Or documents about the newer SQ controller Scan09/SQ11/SQ113?
> Maybe that helps also with the Scan08 chip.
> I've asked Microtek for technical documents but was refused.
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"The truth is an offense, but not a sin"
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