Epson EPL-N1600 Reference Manual page 61

6. Lift the printer and duplex unit up and away from the 500
sheet lower paper cassette.
Caution:
c
When you lift the printer and duplex unit, always use the lifting
grips in the duplex unit, as shown above. Do not use the grips in
the printer itself. If you lift the printer/duplex unit combination
using the printer grips, you may drop the duplex unit and
damage it.
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Options
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