Comment 47 for bug 1811504

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Joel Maxuel (joel-maxuel) wrote : Re: scan with Laserjet MFP-M28 fails

It seems to me the error is of SANE timing out prematurely, as if it assumes the `hpaio` class all have automatic feeders.

It wouldn't be the first time a timeout needed to be adjusted:
> https://unix.stackexchange.com/questions/349850/xsane-error-during-read-error-during-device-i-o-canon-pixma-mg3550-scanner

This would work outside/avoiding the models.dat file model. However I cannot find the acceptable config option to suggest a change in timeout to `/etc/sane.d/hpaio.conf`.

Maybe someone would be better at discovering the SANE documentation for the `hpaio` backend than I am.