[sane-devel] Add support for old OKI scanners

[MOON Sungjoon]

Hi, I'm trying to make a driver for the old OKI scanners.

I own a Sindoh C200 scanner, which is the OEM version of OKI MC561dn 
(source: https://m.blog.naver.com/dgwox200/10189835689, in Korean).


On their website, they provide Red Hat and Debian drivers (each has 
x86_64 and x86 versions)

Driver page: 
https://www.oki.com/eu/printing/support/drivers-and-utilities/colour-multifunction/44473204/


Interestingly, their Red Hat driver has debug symbols, but Debian does not.
And they even have a libsane-oki.so library file, so that's a good 
start. I think it's GPL licensed, so it might be possible to ask for the 
source code.

However, I'd like to start writing drivers for this scanner, so I'd like 
to ask for help.


Additional information:
- This driver itself has other utils, but I think just building a sane 
backend would be enough.
- Uses python2, porting to python3 is needed
- When the driver is built, these scanners will be supported with sane. 
(according to their driver description)

CX2633 MFP; CX2731 MFP; ES3451 MFP; ES3452 MFP; ES3461 MFP;
ES4172LP MFP; ES4192 MFP; ES5162 MFP; ES5162LP MFP; ES5461 MFP;
ES5462 MFP; ES5463 MFP; ES5473 MFP; ES8451 MFP; ES8453 MFP; ES8461 MFP;
ES8461+ MFP; ES8462 MFP; ES8463 MFP; ES8473 MFP; ES8483 MFP; MB441; MB451;
MB461; MB461+LP; MB471; MB472; MB491; MB491+LP; MB492; MB562; MC332;
MC342; MC351; MC352; MC361; MC362; MC363; MC561; MC562; MC563; MC573;
MC851; MC851+; MC852; MC853; MC860; MC861; MC861+; MC862; MC863; MC873;
MC883; MPS2731mc; MPS4200mb

(MC853 supported by sane-airscan)

- Their FTP driver site is down, fortunately there's archieve: 
http://www.mmnt.org/db/0/0/ftp2.okidata.com