Thanks puntjuh for your help! Just saw your last 2 posts. I had been working on the problem and solved it for myself. You were entirely correct in my not having first installed the LPR driver. Have been making up an installation procedure for myself in case I need to reinstall for some reason. Here it is. Thanks again!
Using the Brother website procedure from http://welcome.solutions.brother.com...ion_prn1a.html
for 64 bit Ubuntu 9.04 v. 2.6.28-18 , in step #2 open For Debian/Ubuntu 64bit. The two requirements listed should already have been installed by Ubuntu - ia32-libs or lib32stdc++ ( lib32stdc++6 in my case). In step #3 open the DCP7030 option and download both the LPR driver and cupswrapper driver in .deb format to a convenient directory to install from. Continuing with the instl'n instructions in step #4 turn on the printer, then insert usb cable, but do not use the Ubuntu driver program gui, which will then start. It doesn't have an option for the DCP-7030 installation – at least not at the time of this writing. Close out the gui and start up Terminal. Change to the directory, where the two drivers were downloaded and install the LPR driver using sudo dpkg -i --force-all brdcp7030lpr-2.0.2-1.i386.deb . Next similarly install the cupswrapper driver. Use sudo dpkg -i --force-all cupswrapperDCP7030-2.0.2-1.i386.deb . I tried installing only the cupswrapper driver at first and it wouldn't work, I expect because I hadn't first installed the LPR driver. After installing the LPR and then the cupswrapper drivers, enter (sudo not needed) dpkg -l | grep Brother and a list of installed printer drivers should show up including the DCP-7030. There was a command on the Brother site, which instructed me to restart the printing services with /etc/init.d/lpr restart. But this was not possible (no lpr file). /etc/init.d/cups restart was possible, but the printer wouldn't print. Finally got it working by restarting computer and it now works like a dream.