|There are flatbed scanners about still; although many people now use all-in-one kit (scan/print/copy and some with fax option too).|
I have scanned a range of black and white (older) photos and been satisfied with the results; and also more recent colour again fine results. Printing both up to A4 on occasion (for both monochrome - B&W - and colour) has also been fine.
My current scan/copy/print unit is a Canon mp600r; about 5-6yrs old now I think...
this link goes to a review/discussion on flatbed photo scans etc.:
I found it via this trawl:
Perhaps repeat my trawl:
And also (if dropping the word "stand alone" from the search words/string gives you this:
The problem may be finding Linux compatible kit; although I think some Canon all-in-one kit at least has Linux drivers.