[sane-devel] canon scanner

[Shashi Thutupalli]

Dear Colleagues,

I would like to make some changes to the operation of a CanoScan 600F. 
However, since I do not have any experience in these matters, I thought 
it best to write to the community for advice - I presume that I should 
be making some changes to the SANE backend driver.

  The following are the operations I would like to achieve and I would 
be very happy for your detailed instructions on how I achieve this.

1) turn off the built-in LED illumination, since I plan to use an 
external LED illumination.
2) turn off the calibration step which automatically sets the gain and 
the offset of each individual sensor pixel, prior to scanning.
3) set the pixel clock to the available minimum frequency to slow down 
the speed of the scanning and thus increase the "exposure time".
4) increase the gain of the sensor to its maximum possible value.
5) set the resolution of the scan to 1200 dpi.

I look forward to hearing from you at your earliest convenience. Thanks 
very much in advance!

Best regards,
Shashi
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