Apologies if this sounds obvious, but have you tried different screen values in the scanning software? I've found that the lpi value needs to be absolutely precise in order to work properly and is basically useless if the value used is not spot-on.I have to scan a pic from a printed page. Have tried both the descreen option in the scanning software, and blur then sharpen in PS. Both achieve similar results.
Old newspapers would *probably* be 85 lpi but could be as low as 65 or as high as 100. It also depends whether it's UK, European or American. It may be worth trying differing values around there (unless you're lucky enough to have a screen frequency reader which will tell the precise figure...).
I used to use the Linocolor software which allowed one to input different figures but less flexible packages such as the Epson software have pre-configured values of 85, 120, 133, etc and can't be changed. If you cannot alter the figures then Richard K's workaround is good.
Regards
Simon
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Simon Brown. Director, Media Resources, UCL
+44 (0)20 7679 9257 (ext.09257)
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