[PROBLEM] Print interference, especially at the edges [REMEDY] When cutting paper in half prior to printing, it is necessary to back knife trim the edge cut from the front of the guillotine blade. [CAUSE] 
Cutting debris
C u t t i n g d e b r i s
S l o w i n k d r y i n g
E x c e s s i v e d r i e r s
P o o r t r a p p i n g w h e n p r i n t i n g s c r e e n o v e r s o l i d a r e a s
D a m p i n g d e f e c t
G h o s t i n g