IBM INFO PRINT 3000 Operator's Manual page 170

5. Open the lower transfer station tractor covers.
6. Check for torn carrier strips, oversized carrier holes, and torn paper.
7. Remove any torn forms, carrier strips, and paper chads from the lower tractor
area.
8. Close the lower tractor covers.
9. Lower the transfer station and latch it securely into position.
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InfoPrint 3000 Operator's Guide