HP LaserJet 4345mfp Series - Page 188

Duplex-printing unit
1 Slide the duplex-printing unit away from the MFP.
Figure 6-18 Remove the duplex-printing unit (1 of 2)
2 Slightly lift up on the duplex-printing unit to disengage the slide rails, and then remove it.
Figure 6-19 Remove the duplex-printing unit (2 of 2)
158 6 Removal and replacement