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Get supported resolutions of scanner in Linux
How can I find out the different image resolutions in DPI that my scanner supports?
I'd prefer to use a command line tool to get the supported resolutions.
1 answer
The following users marked this post as Works for me:
| User | Comment | Date |
|---|---|---|
| Matthias Braun | (no comment) | May 22, 2023 at 20:08 |
Using scanimage
First, get the name of the scanner with
scanimage --list-devices
In my case, this produced
device `brother4:net1;dev0' is a Brother Brother_DCP-L3550CDW DCP-L3550CDW
To get the different options and capabilities of that device, run
scanimage --help -d 'brother4:net1;dev0'
In the output, following the line
Options specific to device `brother4:net1;dev0':
there were the supported resolutions, in DPI:
--resolution 100|150|200|300|400|600|1200|2400|4800|9600dpi [200]
I proceeded to do a test scan, to see if the resolution is actually supported:
scanimage -d 'brother4:net1;dev0' --resolution 2400 -o 'test_file.jpg'
This helpful blog post by Julia Evans pointed me to scanimage --help -d.
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