Dell 2145cn Service Manual page 54

Disassembly and Reassembly
2. Remove the 6 screws from both side. And 3. Use a thin, less than 2 mm flat-blade screw
remove the right/left Hinge Cover. driver in the upper left hand corner of the hinge,
push the screwdriver towards the printer to push
the hinge out of the printer.
3-7