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8-6 Removal and Installation
HP DesignJet 430, 450C and 455CA Printers
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.