Epson Stylus Pro 4400 Reference Manual page 313

10. While pushing in the side pin, turn the paper cutter cover to
the left to close the casing.
Note:
Make sure the paper cutter cover is set correctly; otherwise, the paper
may not be cut.
11. Make sure CLOSE TOP COVER appears, and then close the top
cover. The cutter holder moves to the home (far right)
position.
12. Wait until READY appears on the LCD.
Maintenance and Transportation
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