[Technical Documentation]
On loading paper into the machine, ensure that it is always straight, since if it is
curled, particularly on the leading edges, there will certainly be problems, such as
wrinkles, incorrect passage through the rollers, marks, etc. For a good result when
laminating it is absolutely essential that the paper is well aired and free of any
humidity. Also the manner of passing the paper through the machine against the
fibre or with it can condition the finish.
If the plastic film should catch onto any of the rollers, we can cover them with a
laminated sheet (preferably white) fixed with a clip. The same can be done with the
cutter roller if in time this required any cushioning.
Any marks due to embossing or the lack of temperature can be resolved by
repeated passage through the calendar, that is removing the film and passing the
defective sheets one by one several times through the calendar. To do this
decrease the pressure of the neoprene pressure roller.
The anticurling must be adjusted in such a way that it does not scratch nor curl the
laminated sheet.
It is very important that the rubber wheels that hold the sheets in the cutting
module do so with the correct pressure. If this pressure is not sufficient, the cut will
not be correct, and if they do so in excess the sheets may be separated before
time.
If the sheets to be laminated contain a lot of ink, or are varnished the working
speed should be decreased or the pressure of the contra-calendar roller increased,
because the varnish or great quantity of ink decrease adherence of the plastic film
to the paper.
Any stoppage may leave marks on the print due to the pressure between the rollers
and the rubber roller can stick to the print, therefore it is convenient to have
already laminated sheets to hand too use in the event of a stoppage.
