Phaser 6180MFP Multifunction Printer Service Manual 2-3
Theory of Operation
■Scanner Controller – The Scanner Controller processes image input
from the Scanner Assembly.
â– For copying, local scanning, and network scanning, the Scanner
Controller sends data to the Printer Controller.
â– For Fax sending, the Scanner Controller sends data via the Network
Control Unit (NCU) to the communication line.
â– For Fax receiving, the Scanner Controller processes data sent from
the communication line via the NCU, and sends the data to the Printer
Controller.
Automatic Document Feeder
Scanner Assembly
CCD
Lamp (Inverter) Sensor Motor
Print Engine
Control Panel
Scanner
Controller
Network
Control
Unit
Laser
Unit
MCU
Printer
Controller
PSTN/PBX
Network
IEEE 1264
USB
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