5. Install the duplex option.
Align the duplex option with its installation position, and then push down on the bottom of the
duplex option until it locks into place.
Note:
When attaching the duplex option, attach the bottom of the option first. If the duplex option is
attached incorrectly, it may be damaged.
AcuLaser CX16 Series Printer / Copier / Scanner User’s Guide
Installing Accessories (AcuLaser CX16NF only) 205