Some machines (in the job I had access to more than one brand) cut the end not quite as straight as initially (insufficient pressure of the clamp bar).
This should be different now: simply invest more. The trouble here: now I invest even more, particularly in material and time. Already after a few sections, the blade is obviously blunt: either the paper (standard copier paper) torn or shifted slightly. That really is not on paper. Have tried all sorts incl. Photo paper and paper the price range above 10 (500 sheets a'80 gr). The harder the paper, the harder Rexel does.
Soon I came it that the perforation is still working when the knife dull. But that's not long until .......
I then ordered new choppers. Super, now we went back. Oh no, after about 100 cuts it was back then.
The "machine" comes from France. Visitors to the island every now and then, who knows: the French see the loose - there is anyway little just ... I just got annoyed, so that with the machine. Otherwise I'm happy sometimes loosely ...
Who thinks now (like me) was that the DIN A3 format denkste. A 4 bought and ... now I need twice the number of replacement blades. Never again Rexel!