When applying glue on the register table for a letter fold;
A minimum of three segmented glue rollers are required.
Fig. A & B; Signature open, glue exposed.
Fig. C; Signature still open, glue exposed.
Fig. D; Although signature closes between rollers 4 & 5 a glue relief is still necessary to avoid flattening/squeezing of glue.*
Fold plates #1 & 3 should have adjustable fold plate nose pieces installed.