HP Officejet LH 6000 Service Manual page 104

Chapter 6
CAUTION
4. For both rack-mounted and pedestal models, gain access to the system board assembly.
NOTE
WARNING
5. Access the system board assembly.
The processor board is mounted on the system board.
To access the processor board for replacement of the part, it is necessary to disassemble the entire system
board assembly.
1. Remove the Processor fans
2. Remove the Processor cage covers – Undo the thumbscrew and lift the cover away from the
cage
3. Remove the Processor and Terminator assemblies. Note positions of processors and
terminators for reinstallation.
4. Remove the fan guides, upper and lower – remove two screws on each guide
5. Remove the Processor cage support – remove two screws and slide the support upward
releasing the four tabs from the slots on the cages
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The power supplies will continue to provide standby current to the NetServer until
the power is disconnected.
In the rack-mounted version, this assembly is under the right side lower cover, in the
pedestal version, it is under the top right cover.
Always disconnect the power cords before removing the covers, to avoid exposure
to high energy levels that may cause burns when parts are short-circuited by metal
objects such as tools or jewelry. Disconnect any telephone cables to avoid exposure
to shock hazard from telephone ringing voltages.
Captive
fastener
Cover
System Board Assembly showing System and Processor Boards
Processor
board
System
board
Processor Board
Replacing Parts