Controller System
Overview
This product is mainly controlled by the main and DC controllers.
Low Voltage Main PCB
Low Voltage Sub PCB
Off Hook PCB
Telephone Line
Network
Reader Unit
Main Controller
PCB
DC Controller PCB
Relay PCB
FAX-NCU PCB
Wireless LAN PCB
Driver PCB
Parts name Role
Main Controller PCB Provides controls on the system, image processing, reader / ADF, FAX and network and maintain
various setting values.
DC Controller PCB Provides controls on printer, laser, high-voltage PCBs, I/O, etc. and maintain setting values.
Controls
■ Motor Controls
This product uses 3 motors for paper feed and image formation.
The tables below show motor specifications used in this product.
Name Symbol Driven parts Type Failure detection
Drum Motor M1 Photosensitive drum, developing cylinder, ITB DC Motor Available
Registration
Motor
M3 Registration Roller Stepping Motor Not Available
Developing
Motor
M2 Developing Cylinder DC Motor Available
Fixing Motor M4 Pressure Roller, Delivery Roller, Diplex Feed Roller Stepping Motor Not Available
Pickup Motor M5 Pickup Roller, Multi Manual feed Roller, Multi Purpose Tray
Pickup Roller
Stepping Motor Not Available
2. Technical Explanation
26