Operator's Manual
3950 Series
Fine Adjustments and Corrections
112
Out-of-Square
Paper
If the paper is not cut precisely at right angles, the
folded sheet may show "points".
By turning a setting knob, the fold plate stop can be
made parallel to the out-of-square leading edge of the
paper.
Make this correction only on the first fold plate.
It is possible to change the parallelism of the stop
by turning the knurled knob (1).
Ł
Loosen the knurled knob by means of a 4 mm
Allen key (2).
The angle of the stop is changed by turning the
two knurled knobs.
The stop is parallel to the fold rollers when the two half-round marks (3)
face each other.
1
2
3
Shadow Fold
The lower lip can be adjusted by means of a
setting knob (4)
Basic position:
The wide groove is flush with the top
of the knob.
Lower lip advanced:
Small buckle space.
Lower lip set back:
Large buckle space.
Ł
Thin paper grades:
Advance the lower lip by turning the knob counter-
clockwise.
Ł
Heavy paper grades: Set back the lower lip by turning the knob clockwise.
4
0
+
-
-
-
Accordion Fold
It is possible that heavy paper grades get stuck and form a so-called "accordion fold".
In such a case the fold plates must be set back.
Ł
Loosen the Allen screws (5) on both sides of the
fold plate.
Ł
Set back the fold plate by using the scale (6).
Ł
Tighten the Allen screws.
Ł
Change the fold plate stop by the same amount.
6
5
