HP QMS 1660 - Manual (Page 169)

Single In-Line
Memory
Modules
6-31 Printer Options
4 Remove the SIMM.
Tilt the SIMM backward to a 45° angle away from the SIMM con-
nector, and then lift it out.
5 If necessary, refer to “Installing a SIMM,” earlier in this section.
6 Replace the printer and controller board covers.
Use the instructions in the “Replacing the Printer and Controller
Board Covers” section of this chapter.
45°