[sane-devel] TPU functionality in epson2-backend.

Martin Zackrisson martin.zackrisson at cmb.gu.se
Mon Dec 5 07:21:40 UTC 2011

On 2011-12-05 04:48, Olaf Meeuwissen wrote:
> Martin Zackrisson<martin.zackrisson at cmb.gu.se>  writes:
>> On 11/30/2011 05:51 PM, m. allan noah wrote:
>>> SANE_DEBUG_EPSON2=255 scanimage [args here] 2>tpu.log
>>> then look in tpu.log
>>> allan
>> Thanks.
>> Just for reference, I now have the programming guide for the scanner
>> and it seems that the capability that I'm looking to implement in fact
>> is structured as a second TPU-mode and not a setting in the current
>> TPU mode. So I'll get back to scratch and see if I can push it into
>> TPU 2 instead.
> FTR, the device indeed has two TPU modes.  In my earlier mail I only
> mentioned one, having completely missed the information on the second
> TPU which allows for 8" x 10" scans (the first TPU does 5.8" x 9.74").
> Sorry for the incomplete information earlier.
> # Next time I'll reply after my second coffee ;-)
> Hope this helps,
When I realized it was a second TPU and got some pointers from the guy 
who wrote the backend originally, it took me less than five minutes to 
fix it. He also submitted the patch so everything is perfect.

Thanks for all the help.


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