HP 3150 EN - Manual (Page 102)

100 Removal and replacement EN
Upper guide assembly
1 Remove the three (3) screws (callout 1) from the upper guide
assembly.
2 On some HP LaserJet 3100 products, there is a fourth screw
(callout 2) to remove.
3 Lift up and rotate the assembly toward you.
Figure 28. Upper guide assembly removal (1 of 2)
2 1
2 2