1 paper is not positioned at perforation for tear-off feature
1 select the correct form length using the set-up feature.
2 reset top of form by performing a parking function.
3 refer to section 3.4 vertical positioning adjustment
2 paper tears or jams
1 examine the paper path; remove any obstructions
2 is the paper too loose or too taut between the tractors?
if the holes in the paper are deformed at their outer edges, the paper is too taut.
if the paper rises between the tractors, it is too loose.
readjust the tractor spacing so that the paper lies smoothly but without any tension.
ensure that the paper is horizontally aligned on the pins.
3 open the printer's top cover. if necessary, loosen the two green screws and remove the paper guide plate to gain access to the paper.

6 single sheets are skewed
1 adjust asf cassette paper guides.
2 more information you will find in the enclosed references of the asf cassette.