MBM Corporation 307A (PERF & SCORING UNIT) - Manual (Page 10)

9
(1) Scoring Position
Move V-Groove of Lower Scoring Roller to the place where scoring. Then, fix the Roller
by Philips Screw Driver. Press “Test” Key as leading edge of paper comes close to Lower
Scoring Roller so that scoring position is determined. Do not feed paper yet to the
rollers.
(2) Positioning of Upper Scoring Roller
Loosen (turn) Release/Fix screw (left) on the left side for 2 to 3 rounds. Turn
Shallow/Deeper screw counterclockwise 2 to 3 rounds. Slide the Upper Scoring Roller
right above the lower V-Groove. Turn Shallow/Deeper screw clockwise till Roller comes
down in to the bottom of V-Groove. Then, Fix the Scoring Block turning Release/Fix
screw clockwise. Now, Upper Blade and Lower Groove position is mechanically matched.
(3) Adjusting shallowness/depth of Upper Scoring Roller
Turn Shallower/Deeper screw counterclockwise for 2 to 3 turns. Then, fix the height by
Fix/Release screw.
3.6 Setting Scoring Block
SCORING UNIT
Upper Scoring Roller
V-Groove
Lower Scoring Roller
Height
Fix / Release
BLADE HEIGHT CONTROL
(Screw on right side)
Scoring Block
Shallower
① ②
Deeper