I would check the press under running conditions. Also ink up all the cylinders and put on pressure with proper packing.Full ink transfer to all...
Try a vinegar water mix. Works for us as your last wash. 50/50 probably would work.
I never had match luck running coated stock on a perfector. A nice Patina matta works fine.
Run a solid on each unit. One at a time and if you see lines across the solids about the size of the cylinder gears than you have worn gears. Run...
If you are using a half size or smaller format I here very good things about Ryobi. I ran a 2, 5 and 6 color Komori 20 inch and it didnt have the...
Running less powder and racking in small lifts does help. If that doesnt help the only alternative is to dust the job first by 'wet plating it '...