Well, thanks everyone.
Tim: Yes I can transfer the docs from the iPad to my PC and they print full-sized. Yes, we-print is installed on my PC. Remember, with my previous printer, the Cannon MX850, everything worked fine. I could even fax from my iPad (all through the computer, of course!). I simply do not know what has happened since changing the the Brother printer. I've even re-installed the we-print app on the PC when I could not seem to rectify the problem.
Don'tUnderstand: nope, paper size is not A4, but letter, tried switching it back and forth though, just in case there was a glitch somewhere. It didn't change my problem.
As for mentioning Office, yes it was just in passing; the only way I've been able to use PrintCentral on my iPad is to pull any doc/pic/file into the PrintCentral App and print it from there. It seems, Tim, that you have been able to print directly from 3rd party apps prior to the upgrade. If I have understood you correctly, I have never been able to do that with either printer.
I should say that prior to writing on this forum, I engaged in a considerable amount of online reading and research to see if I could solve my problem without bothering others. Just recently, i purchased an iPad info book, "Take control of working with your iPad 2.0." I thought it might be helpful, but alas, I it is not. It was in reading the section on printing from the ipad that I began to wonder if I should delete the PrintCentral app and go with another.
So I guess, with all this frustration and no real answers, what print app(s) would you folk recommend?