GBC 2000 Plockmatic Bookmaker - Manual (Page 44)

6. T
roubleshooting
44
If feed errors occur or if the booklets are not square folded properly, especially regarding
heavier booklets, follow this procedure:
Make sure that the clamps and feed belts are clean. See cleaning instructions under
section 7.
Place both springs in the upper position.
squarefolding Quality
Under extreme circumstances, when the cover
sheet tends to be torn from the rest of the set, this
can be rectified by adjusting the Fold Adjust Levers
located above the pre-fold transport. There are eight
positions for each lever. The topmost notch is the
default position. Move the lever notch by notch until
performance is satisfactory.
fold Quality, continues
Springs in normal position. Springs in upper position.