[sane-devel] Re: SANE driver for NEC Petiscan scanner

Allan Kaplan kaplanam1@comcast.net
Mon, 14 Jun 2004 10:14:01 -0700


OK, I managed to take the scanner apart without damaging it, and found the
the big chip hiding under a cover.


I will see what other info I can find.



> Message: 3
> Date: Mon, 14 Jun 2004 11:49:43 +0200
> From: Henning Meier-Geinitz <henning@meier-geinitz.de>
> To: sane-devel@lists.alioth.debian.org
> Subject: Re: [sane-devel] SANE driver for NEC Petiscan scanner
> Hi,
> On Sun, Jun 13, 2004 at 05:08:09PM -0700, Allan Kaplan wrote:
>> As far as I can tell, without further digging into the guts of the scanner,
>> there are two chips which say
>> JIC (?)
>> ES52099S
>> 9919-LHIJ
>> I was not able to find data on this chip.
> Google finds some references but no spec or explanation.
>> Winbond
>> W24512AJ-15
>> 919SA290732601CE
>> Chip specs: 
>> <http://www.chipdocs.com/pndecoder/datasheets/WBOND/W24512AJ-15.html>
> So that's RAM. No other chips? In this c ase the JIC must be the scan
> chip.
>> It occurred to me that this scanner will run off another computer I have
>> access to, but only in MacOS9.  Might there more data that I can access from
>> a computer that will actually run the scanner, versus this laptop with which
>> I want to ultimately run the scanner, but only uses MacOSX?
> You need software that can listen to the USB commands send to the
> scanner ("sniffer"). While some programs are available for Windows I
> don't know if that's the case for MacOS9.
> Bye,
> Henning