you ned lock the Head in the midle of carriage with one big Bolt, and remove the bearin plane for prevent breake
you need know the best size of dot, respect to paper, and need use one compensation curve for restore the complete dynamic range of screen....
Only need loock the drum with lot of cardboard, and put some cardboard betwen the drum and clamps and rampl system
the best options for you is one Thermal and processless plates, is very symple of use and can make the educational labor perfect.
The real parameter is type of plates expose, negative or positive
The Head is very solid technology , problem is very expensive of service But is the better option if yo search quality
Hi Solved the problem? May be TCPIP config