OKI C5100 User Manual

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C5100 Loading Paper  • 25
2. Press down on the loading platform.
3. Load the print media and adjust the guides (1) to the size media 
being used.
• Letterhead stationery:
– For single-sided printing, load with pre-printed side up and 
the top edge into the printer.
– For two-sided (duplex) printing, load with pre-printed side 
down and top edge away from the printer. (Optional duplex 
unit must be installed.)
• Envelopes: load print side up (flap down) with top edge to the 
left and short edge into the printer. Do not select duplex print-
ing on envelopes.