HP 16V - Manual (Page 109)

Periodic Routine Maintenance
4. Seat the print unit in
place. Press down gently on
the left and right portions
marked PUSH until the
guide pins at both sides of
the print unit are positioned
at the round marks (labeled
in the grooves).
Notice:
If you do not proceed to the next step immediately, close the
printer’s top cover to protect the photoconductor drum from light.
After you have installed the print unit, install a new toner bottle. See
Replacing the Toner Bottle described previously in this chapter.
Close the printer’s upper door. Press down the top cover until it
clicks shut. Reconnect the power cord and turn on the printer.
4-14 User’s Manual