Setting the paper release lever (LQ-680)Set the paper release lever to select the paper-feeding method you want the printer to use. The paper release lever has two positions: 
for tractor feeding and 
for single-sheet feeding, as explained below.
Single-sheet feeding position – to use the paper guide, the optional cut-sheet feeder, or the optional roll paper holder.
Tractor feeding position – to use the tractor.
