[sane-devel] Fujitsu fi-4210Cdj errors (repeat)

[m. allan noah]

On 26 Mar 2003, Oliver Schirrmeister wrote:

> Am Mit, 2003-03-26 um 14.33 schrieb m. allan noah:
> Re: [sane-devel] Fujitsu fi-4120Cdj errors (repeat)> just got a Fujitsu fi-4120C scanner. was previously using an M3091DCd. i 
> > am running latest cvs snapshot. i use the scsi port, not usb. i get the 
> > following error:
> 
> Yes, the problem is really the gamma-pattern. I've hard-set this byte to
> an invalid value and received the same error with the fujitsu-M4097.
> 
> > i have tried hard-setting this to all the possible (and some un-listed) 
> > options, no change. i have tried different modes, no change.
> > 
> > what is this option for (is is gamma correct or a pattern?) and what 
> > should it be for lineart? 
> 
> According to the manual of the M3093 it is a gamma pattern. There are 
> 4 internal patterns (00h - 03h) and 8 download patterns (80h - 87h but
> I don't know what that means).
> The byte is valid for lineart (I can see differences in the scanned
> image). The gamma pattern transforms the gray image before binarisation,
> I guess.
>  

yes, i can sort of get past that with 0x80

> > how easy is it to get programming docs from fujitsu, since the 4120 seems 
> > to need some help?
> > 
> 
> You can find docs at
> http://www.fel.fujitsu.com/home/documentation.asp?l=en&cid=9&doctype=oem&scpm=true
> for some scanners, but I havn't found anything about the 4120.
> I can give you an e-mail adress of somebody at fujitsu who might help. 
> He gave me the documentation of the 4097 which is not on the 
> fujitsu-homepage.
> 

yes, please give me that email. or, if you think the contact would rather 
talk to you, would you ask for them?

allan

> Oliver
> 
> 
> 

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