GBC GBC4250 Operating Instructions Manual page 20

The "Word Finishing" People
6. Insert the alien wrench
provided with the laminator
into adjustment hole of the
top film roll (see figure 11).
7. Rotate film roll until
wrench engages internal
brake mechanism. While
holding the alien wrench in
place, rotate film roll in
direction of arrow of figure 11
to increase tension.
8. Check brake tension
setting by rotating the film in the direction of normal rotation. Resistance to
rotation should be slight, not forced.
9. Laminate some test samples to check film tension. Readjust as
necessary.
CARING FOR THE GBC4250 LAMINATOR
GBC offers a Cleaning Kit as well as Extended Maintenance Agreements.
Contact your GBC Service Representative or your dealer/distributor for
additional information.
The only maintenance required is to periodically clean the heat rollers. The
following procedure will help to keep the heat rollers free of adhesive that
has been deposited along the edge of the laminating film. Proper alignment
of the top and bottom rolls of laminating film will minimize the amount of
adhesive deposited.
Acaution
THE FOLLOWING PROCEDURE IS PERFORMED
WHILE THE LAMINATOR IS HOT. USE EXTREME CAUTION.
-Never clean rollers with sharp or pointed objects.
-Do not apply any cleaning fluids or solvents to the rollers.
-Hardened adhesive deposited on the rollers may cause damage. Rotate the
rollers at the "Slow" speed setting only to avoid damaging the rollers.