Canon imagerunner C5180 Service Manual page 125

IC No. ASIC Main Function
Name
IC1 TREAD IH Control, Halogen Heater Control, AD Control (Thermistor temperature,
temperature sensor), Stepping Motor Control (fixing), Cartridge Memory
Control, Fixing Motor Control, Safety Circuit of the Fixing Assembly, I/O
(mainly Fan Motor Control)
IC2 - I/O (Everything that can be controlled with the digital values.)
Input of each sensor, Fan Motor Control, Solenoid/Clutch Control, High-
IC3 -
Voltage Control (Excludes the analog value.)
IC4 MAISY 1. Stepping Motor Control (Pickup Motor, Pre-registration Motor,
Registration Motor, Duplexing Motor, Developing Assembly Motor (Y/M/
C/K)
2. Toner Container Motor (Y/M/C/K) Control
3. High-Voltage Clock Generation
4. Drum ITB Motor Drive Clock Generation
5. Registration Sensor
6. DA Control (for high-voltage control)
T-4-2
Chapter 4
4-5