Talk:SANE

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Parallel port scanners

Hi folks.

Scanning over my parallel port scanner does not work unless my user is in the "lp" group. This article says that users need not be in any special group for the scanner to work since systemd.

Basically, my experience contradicts the article and I would like to either fix my setup or the article so both are in agreement.

Davidmcinnis (talk) 21:42, 18 June 2017 (UTC)

I wasn't aware that parallel port scanners were a thing!
SANE#Permission problem is really only relevant for usb scanners - parallel ports are assumed to have printers attached, and CUPS uses the lp group for other purposes. See FS#50009, and the note in CUPS#Connection Interfaces. The short version is that the wiki should be fixed to mention this and that you adding your user to the lp group is perfectly fine unless you are concerned about your user being able to view some of the CUPS files, which may contain sensitive information such as network printer passwords.
-- Pypi (talk) 00:46, 19 June 2017 (UTC)
I've made an edit to the page - does that fix the article for you? -- Pypi (talk) 01:25, 19 June 2017 (UTC)