HP Designjet 250c Service Manual - Page 62

CAUTION Installing a RAM or ROM SIMM Before handling a SIMM, either put on a A RAM SIMM provides the plotter with extra grounding wrist strap and attach the end to memory. A ROM SIMM contains new the metal chassis of the plotter, or touch the firmware code to override the internal outer metal surface of the plotter with your firmware code. hand. Otherwise, static electricity from your 1 Make sure that the plotter is switched body could damage the SIMM. OFF and that neither the power cord nor an interface cable is connected. 3 Take the SIMM out of its bag, holding the SIMM only by the edges. 4 With the SIMM's small notch on the left and the metallic edge away from you, load the SIMM into the slot X X - nearest to you (RAM SIMM) - furthest from you (ROM SIMM) To do this, first hold the SIMM at an angle, and then gradually push it back until it clicks vertically into place. Notch 2 Unscrew the cover plate at the back of the plotter, and remove it. 2 1 5 Replace the cover plate and the screws. Torx-10 or Flat 6Ć4 Removal and Replacement C4699Ć90000