Blue Print treating clients unfairly

We have always been a very loyal customer of the printing company Blue Print, up until the day that we declined an offer of renting machines from them due to the poor service we have constantly received from them. After our main printer broke and was declared non repairable by Blue Print's technical team, they supp**** us with a \new"Kyocera machine with which we had problems from day 1. Our Director has been complaining about this from 24 October 2014 and to date we have received absolutely NO response or support from them on this whatsoever. They initially blames the ink that we used for the problems that we were having. After we informed them that this is ink that was supp**** by them"