Printronix P7000 Quick Reference Manual page 14

Loading Ribbon And Paper
Figure 8. Loading the Paper onto the Right Tractor Sprockets
7. Unlock the right tractor.
8. Load the paper onto the right tractor sprockets.
9. Close the tractor door.
10. Make sure the leading edge of the first sheet of paper is parallel
11. Slide the right tractor to remove paper slack or to adjust for
12. Lock the right tractor.
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to the top of the tractors. If the paper is misaligned, reload it
onto the tractor sprockets until its edge is parallel to the splined
shaft.
various paper widths.
Right Tractor Door