Epson EPI-4000 User Manual page 53

Loading Paper to Print a Self Test
12. Insert the stack of paper between the left and right paper guides.
Press down a little on the edge of the paper that enters the
printer first. Then push the stack in gently as far as it will go;
next adjust the right paper guide so it rests lightly against the
paper stack.
13. Slide the paper-end clip until it fits lightly against the end of the
stack.
Setting Up the Printer
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