Chapter 6
Installing Option
Duplex Unit (B-310N only)
Installing the duplex unit
Follow the steps below to install the duplex unit.
1. Turn off the printer
2. Press the hooks on both sides of the upper rear printer cover, and then remove the upper rear
printer cover.
Note:
The removed upper rear printer cover should be retained since it will be necessary when you remove
the duplex unit.
B-310N/B-510DN User’s Guide
Installing Option
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