2 - 5CHAPTER 22. Operationsa. CPU (IC201)This printer contains an 8-bit single-chip microcomputer for its CPU.This CPU is a single-chip CPU with a built-in ROM and RAM. It performs the controls for the following itemsbased on the control program stored in the ROM.1) Printer sequence.2) Video interface.3) High-voltage power supply circuit.4) Laser/scanner.5) Sensors.6) Loads (motors, solenoids, etc.).b. Reset IC (IC202)IC202 monitors +3.3V and resets the CPU when the power is turned ON.c. Fixing Control CircuitSee the section “B. Fixing Control Circuit” in this chapter.d. High-Voltage Power Supply CircuitSee the section “C. High-Voltage Power Supply Circuit” in this chapter.e. Low-Voltage Power Supply CircuitSee the section “D. Low-Voltage Power Supply Circuit” in this chapter.
