6While pushing in the knobs, gently turn them clockwise until they are horizontal. The duplex unit is secured in place.

" Make sure that both knobs are securely locked.

7Close the duplex cover.

8Enable the duplex unit in the driver. For instruction on enabling the duplex unit, see “Selecting Driver Options/Defaults (for Windows)” on page 17.

Duplex Unit

147

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Xerox 6120 manual Duplex Unit 147,  Make sure that both knobs are securely locked