Epson ActionPrinter L-750 User Manual page 57

Using Continuous Paper
7. Be sure your paper has a clean, straight edge and then insert the
paper into the printer until it emerges between the platen and
the ribbon guide. Pull it up to the sprocket frames.
8. Fit the holes of the paper over the tractor pins of the sprocket
frames, and then close the sprocket covers.
2-12 Paper Handling