I can't find anything on the Thomson website about printing in black-&-white but, as I've indicated above, I doubt that it will be a problem. (The bar code is probably the really the important bit and that's black & white anyway!).
>>>they have put mrs against my name
Passports don't show marital status (and your AB profile indicates that you're female) so I can't see why that would be a problem.
>>>my partners name is wrong way round
Oops! Given that airlines now have to notify the passport authorities of the names of everyone who leaves the country, having a ticket and a passport that don't match up might well cause a problem. Get to the airport early and be prepared to be hit with a £90 charge for making the correction:
http://www.thomson.co.uk/editorial/faqs/flights/tickets-and-changes.html