64 Installation and Service Guide: Printer Controller EB-34
Replacing Parts
To remove the power supply
1 Shut down and open the EB-34 (see pages 38).
To access the power supply, you must remove the side panel.
2 Remove the following cables and components from the motherboard to provide room for removing the power
supply:
• Copier interface board
• Power and reset button cables
• DVD drive and hard disk drive SATA cables
• UIB cable and front panel USB port cable
3 Remove the power cable from the hard disk drive.
4 Disconnect the power supply cable from the DVD drive power and data combination cable.
5 Remove the 20-pin motherboard power cable from the motherboard.
6 Remove the 4-pin CPU power cable from the motherboard.
7 Remove the power supply cables secured by the cable harness in the chassis.
8 Remove the five screws that attach the power supply to the chassis (see Figure 27 on page 65).
Set the screws aside so that you can replace them later.
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