[sane-devel] HP 4890

[Gerhard Jaeger]

On Wednesday 06 February 2008 08:01:43 marco-sass at web.de wrote:
> Hello,
>
> I would like to use my Hewlett Packard ScanJet 4890 with Linux. I am a
> programmer so I could try to write a driver. I have learned from the SANE
> web site that this scanner uses the GL843 chip and maybe the genesys
> backend could be extended.
>
> The specification for the GL843 chip is available on the Genesys web site.
> Now I need information about the connected hardware inside the scanner like
> motor or ccd. Has anybody an idea where to get these information?
>
Connect the device to a windoze box and grab the USB-traffic (usbsnoop
and friends - http://www.pcausa.com/Utilities/UsbSnoop/default.htm). 
Checkout Stefs page for some more hints (it's for the GL646, 
but a good start)

HTH
Gerhard