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Contents
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Chapter 4: Service Procedures
Overview
4-1
System software 4-1
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 4-14
Verifying functionality 4-16
Removing and replacing boards
4-17
Copier interface board 4-17
User interface board 4-19
Motherboard
4-22
Removing the motherboard 4-22
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 4-43
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