8-86 Phaser 6280 Color Laser Printer Service Manual
Service Parts Disassembly
MCU Board (PL9.1.20)
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 to ESS. Refer to
”Service
Diagnostics” on page 4-5 for detailed procedures.
1. Remove the Rear Cover (page 8-12).
2. Remove the I/P Board Shield Assembly (page 8-96).
3. Remove the MCU Board Shield (page 8-94).
4. Disconnect the 20 wiring harness connectors on the MCU Board.
5. Remove 6 screws (6 mm) securing the MCU Board to the printer.
6. Remove the MCU Board from the printer.
If the MCU Board is exchanged, simply move the NVRAM chip from
the old MCU Board to the new MCU Board.
s6280-241
P17
P16
P12
P28
P30
P29
P13
P14
P10
P19
P15
P18
P26
P20
P31
P22
P24
P25
P23
P27
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