What printer are best compatible for

[sorayita]

Hello,
I need to print a lot of solid black on transparency film. Any suggestions as to which printer is better? I have tried the 2 that I currently have, 1 laser and 1 ink jet and there are too many spots. I need it solid black. Thanks!!!

 

[Ubrales]

http://www.bhphotovideo.com/

Try commercial grade.