Xerox Phaser 840 Service Manual page 30

Printhead drive
board
Internal hard
drive
Network
card
Power
supply
Main board
Fig 1-5 Circuit boards of the print engine (left rear view Phaser 850)
Fig 1-6 Circuit Boards of the print engine (right rear view Phaser 860)
1 - 14 Phaser 840/850/860/8200 Color Printer - Service Manual
Drum Maintenance
Counter EEPROM
Internal Hard Drive
Drum
Maintenance
counter
EEPROM
I/O board
left
Printhead
Drive Board
Power Control
Board
I/O Board left
Main Board
Power Supply
P860-004
Power
control
board
0388-04