The   (Error) LED lights and the   (Ready) LED blinks when the even pages finish printing.
2. After the even pages are printed, remove the paper stack from the center output tray.
Note:
Warped or curled prints can cause paper jams. Straighten them before setting them.
3. Stack the prints and set them as they are (with the blank side facing up) into the multipurpose
feeder (MPF), and then press the button on the operator panel. Pages are printed in order of page 1
(rear of page 2), page 3 (rear of page 4), and then page 5 (rear of page 6).
Note:
Printing on both sides of the paper is not possible if the document consists of various sizes of paper.
Using the Output Tray Extension
The output tray extension is designed to prevent print media from falling from the printer after the
print job is complete.
Epson AcuLaser M1400 Series     User’s Guide
Printing Basics     40