HP d640 HP D640 High-Volume Printer - PostScript Emulation Manual, C5630-90002 - Page 7

Installing the SIMM Card, Opening covers

Page 7 highlights

Installing the SIMM Card CAUTION To prevent damage from electrostatic discharge, make sure you use a wrist strap and grounding mat to install the SIMM card. A wrist strap is included in with the PostScript emulation kit. To install the SIMM card: Step 1 Power off the printer. Step 2 Open the upper right cover and the ejection unit cover. Ejection unit cover Upper right cover Figure 1 Opening covers Chapter 1: Introduction 3

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Chapter 1: Introduction
3
Installing the SIMM Card
CAUTION
To prevent damage from electrostatic discharge, make sure you use a
wrist strap and grounding mat to install the SIMM card. A wrist strap is
included in with the PostScript emulation kit.
To install the SIMM card:
Step 1
Power off the printer.
Step 2
Open the upper right cover and the ejection unit cover.
Figure 1
Opening covers
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Ejection unit
cover
Upper right
cover