[sane-devel] Canon Lide 220 not working over 1200dpi

Povilas Kanapickas povilas at radix.lt
Thu Feb 6 22:30:21 GMT 2020


On 2/6/20 11:08 PM, Tristan Miller wrote:
> Dear Ralph,
> On Mon, 7 Oct 2019 21:45:48 +0100, Ralph Little
> <skelband at gmail.com> wrote:
>> On Mon, Oct 7, 2019, 13:11 Jeroen Van den Keybus, <
>> jeroen.vandenkeybus at gmail.com> wrote:  
>>> I have had contact with both Genesys Logic and Canon. It is not
>>> possible to get the GL124 data sheet.
>>> Guessing from the data code, this chip is 13+ years old so I'm quite
>>> surprised to see this reluctance to release the data sheet.
>> Well if there is some demand for full support for this machine I will
>> look out for a cheap example and in a while see if I can fill in the
>> blanks on our support for it.
> Any update on this?  Were you able to obtain a scanner and do any work
> on this?  It seems there is indeed demand for this model to be better
> supported by SANE; besides this 1200dpi issue there is also the problem
> that monochrom and greyscale scans are distorted at any resolution; the
> latter problem has been reported multiple times on the issue tracker:
> https://gitlab.com/sane-project/backends/issues/52
> https://gitlab.com/sane-project/backends/issues/106
> Regards,
> Tristan

Canon LiDE 220 now supports resolutions up to and including 2400 dpi. Is
it possible to use color scans and making them grayscale as a workaround?


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