Table of Contents
Advertisement
6 November, 2001
Mother Board
Interfaces the BICU and Controller. The operation panel connects directly to the
Mother Board.
Operation Panel
Controls the LCD user interface and button controls.
PSU (Power Supply Unit)
Provides dc power to the system and ac power to the fusing lamp.
HVPS (High Voltage Power Supply)
Supplies high voltage to the drum charge roller, development roller, and transfer
belt.
IOB (Input/Output Board)
Controls the mechanical parts of the printer (excluding the paper feed section), and
the fusing lamp power. Specifically, the IOB controls:
• All main drive sensors, motors, and solenoids.
• PWM (Pulse Width Modulation) of the HVPS.
• Serial interfaces of all peripherals.
• Fusing.
PFCB (Paper Feed Control Board)
Controls the mechanical parts of all paper feed sections.
Duplex
Provides the system interface for all electronic components, i.e. sensors, switches,
motors, and solenoids for the attached duplex unit.
6-5
BOARD STRUCTURE
Advertisement
Table of Contents
