Phaser 6180 Color Laser Printer Service Manual 87
Service Parts Disassembly
MCU Board (PL9.1.20)
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If the MCU Board is exchanged, store internal data to the Image 
Processor Board. Enter Service Diagnostics menu: Service Mode > 
Engine Diag > NVM Settings > Save NVM. Refer to ”Service 
Diagnostics” on page 4-5 for detailed procedures.
1. Remove the Rear Cover (page 8-11).
2. Remove the Right Side Cover (page 8-12).
3. Remove the Left Side Cover (page 8-13).
4. Remove the Controller Shield (page 8-92).
5. Disconnect the 18 MCU Board connectors.