Installing a RAM or ROM SIMM

A RAM SIMM provides the Printer with extra memory. A ROM SIMM contains new firmware code to override the internal firmware code.

1￿ Make sure that the Printer is switched OFF and that neither the power cord nor an interface cable is connected￿

2￿ Unscrew the cover plate and the cable clip at the back of the Printer￿ and remove it￿

Torx-10

or

Flat

Before handling a SIMM, either put on a grounding wrist strap and attach the end to the metal chassis of the Printer, or touch the outer metal surface of the Printer with your hand. Otherwise, static electricity from your body could damage the SIMM.

3￿

8-6

HP DesignJet 430, 450C and 455CA Printers

Removal and Installation