HP 2566C - Manual (Page 41)

7. Inspect paper tractor holes.
Inspect the holes in the paper’s tractor strips that have just passed
through the tractors. They should have a slight teardrop shape
(Figure 3-21, A). If the holes show an extreme distortion (Figure
3-21, B) or the paper jams, pull out the spring plunger knob (refer to
Figure 3-18) and move the vertical paper tension lever one position
toward “A.” Press the
[ form feed
1 key again and re-examine the
tractor holes.
8. Proceed to "A4justing Forms Thickness."
Follow the instructions on page 3-21 to adjust the thickness setting
for your form.
3-20 PREPARING THE PRINTER FOR OPERATION