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Contents
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Chapter 4: Service Procedures
Overview
4-1
System software
Accessing components
4-3
Removing the front panel
4-8
Checking internal connections
4-11
Restoring and verifying functionality after service
4-14
Reassembling the system
Verifying functionality
4-16
Removing and replacing boards
4-17
Copier interface board
User interface board
4-19
Motherboard
4-22
Removing the motherboard
Replacing the motherboard
4-26
Verifying new motherboard installation and updating the system
4-29
Replacing parts on the motherboard
4-34
Motherboard CPU
4-36
Motherboard battery
4-40
Motherboard jumpers
4-41
Fan
4-42
Power supply
4-43
Checking voltages
Removing and replacing the power supply
4-44
Hard disk drive
4-46
DVD drive
4-51
Jewel
4-54
Control Panel buttons
4-55
System software service
4-56
Restoring backup system software
4-57
Installing system software
4-59
Chapter 5: Troubleshooting
The Troubleshooting process
5-1
Preliminary on-site checkout
5-2
Checking external connections
5-3
Checking internal components
5-4
Inspecting the system
5-5
Normal startup sequence
5-11
Error messages and conditions
5-12