![background image](/i/dell/154397/dell-2150cdn-2150cn/h/dell-2150cdn-2150cn-393.png)
Maintaining Your Printer
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8 Insert the PHD unit until it stops, and then turn the four PHD lock levers 90-
degrees clockwise to lock the PHD unit.
9 Close the belt unit, and push at the top of the unit until it clicks.
10 Close the front cover.