HP LaserJet 4 Service Manual - Page 91

Accessing the SIMM Slots Please refer to Chapter 6, Removal and Replacement, for instructions on removing the SIMMS door to access the slots. Note that access to the SIMM slots are slightly different for the various printer models. Installing the SIMM Boards Figure 3-24 Positioning the SIMM board with the notch at the bottom. 1 Through the open door, you can see the four SIMM board slots (see previous Figure 3-23). For easiest installation, fill the slots from right to left, starting with slot 1 (see the diagram on the SIMM slots door). 2 Remove the SIMM board from the antistatic package. Hold the board with your forefingers on the side edges and your thumbs against the back edge. Turn the board so the notch on one end is on the bottom and the metal teeth face the slot (see Figure 3-24. Configuration 3-55