By the sound of it, you're mostly offset? Since you're inplant, I would mention to the owner that his employees are costing him money with these crap files. I'm an owner, I know if someone was costing me money, I'd straighten it out real fast
Ok, seriously. There are a number of things you can do. I have given seminars (ok, only once but I did get paid, therefore, I'm a professional expert) on file preperation and not only did I get paid; but I earned a new customer that send me well prepared files. I am all digital, so it's really not that hard for me. You offset guys have a harder time, especially with files coming from programs like Word and Publisher. Anyway, the first and cheapest thing to do would be to print a "file standards" and send it to everyone. That will help BIG. People feel empowered when they are taught something, especially if it is easy and saves them money (but I guess in the case of an inplant shop, it saves them time by getting the job to them faster).
Second, go here-
John Giles Online -and buy that book, 12 Secrets For Digital Success. It is my bible and has taught me A LOT! And if they still give you bad files; you can hit them with the book.
Third, there are PDF drivers that can be installed on your clients computer. Again, THE book talks about that. There are even programs that people can use to create things online and then send it to you.
Fourth, there are also tools for your end that can produce PDFs and edit them. The biggest name in that game is Enfocus. I don't use it (again, all digital) but I heard this is the best tool in the industry-
Enfocus - PitStop Professional - The industry standard for PDF preflighting and editing
Fifth- 12 Secrets For Digital Success.
There is some real advice in hear amongst all the jokes. It's Friday, I'm feeling relly good.
Keith
P.S. Seriously, the best thing you can do is educate those that send you files. Otherwise they'll keep sending you crap and you'll keep fixing it and it just keeps going downhill and you'll get miserable and start hating people. And buy that book, not because I work for John Giles (I don't) but because it is very good.