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"Couldn't recognize IPv4 of scanner 'smfp:usb;04E8;3419;8P54BAIQ223032B.'."

Started by Lx, December 28, 2014, 01:44:32

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I'm trying to set up a Raspberry Pi as a printer/scanner server for my network-unaware Samsung SCX-4521F.

I've installed suld-driver2-1.00.06 and suld-scantopc.  "scanimage-L" seems to identify the scanner:
# scanimage -L
device `smfp:usb;04E8;3419;8P54BAIQ223032B.' is a SAMSUNG SCX-4x21 Series on USB Scanner
When I run though, the script dies with this message:
INFO:stderr:Couldn't recognize IPv4 of scanner 'smfp:usb;04E8;3419;8P54BAIQ223032B.'.
This is not entirely unexpected, because the machine is connected via USB.  What can I do to get around this?


A post in another thread indicates that support for the SCX-4521F is not likely:

Quote from: angelnu on June 02, 2013, 05:47:55
The scanerServer is for scanners connected via network only so it will not work if you connect your scanner via USB.

Supporting a USB connected scanner will require the reverse-engineering of the USB protocol. If your scanner just have a key to trigger the scan then maybe the following tool works for you: There is an (old) tutorial at

and unfortunately the abandoned scanbuttond project doesn't support Samsung units.

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