92-2448-01 Rev.B
GPIO Multi-Expansion Option 
Overview
This document describes the contents, installation, and use of the I-Class and W-Class GPI/O MultiExpansion option. Additional instructions are included for those using an MCL application. After verifying the contents of your kit and the tools required, follow the steps below to install and use the option.
DO NOT remove or change the jumper settings on the circuit card included in this option: equipment damage can occur. Also, for your safety and to avoid damaging the printer,
WARNING turn OFF the power switch and unplug the AC power cord before starting this installation.
Contents of the GPI/O Multi-Expansion Option Kits
In addition to this document, these kits contain the following items:
GPI/O Multi-Expansion CCA
Rear Cover Plate
Screws, (4) M4 x 12
1
2
3 
Tools Required
To install this option, you will need a Phillips screwdriver.
Step 1: Preparing the Printer
A) Turn OFF the Power Switch and unplug the Power Cord from the AC Receptacle.
Power Switch 
AC Receptacle
Power Cord 
1
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