Service Manual
Product spec and feature
2-12
Samsung Electronics
2.2.2 H/W Structure and Descriptions
2.2.2.1 H/W Overview
ML-1640/2240 is roughly made up Main Control part and SMPS/HVPS part.
Main Controller uses Jupiter4E for its ASIC, which is on chip micro controller and developed for Low-end Laser
Beam Printer.
Jupter4E provides the integrated printing functions such as Printer video controller, Laser Scan Unit controller,
PWM controller and Bi-polar Stepper Motor Controller and has USB interface and built-in Flash memory with 4Mbits
capacity.
2.2.2.1(a) Main Control
ML-1640/2240 of Main Control are composed of CPU and Print and operate follows function by CPU
- Bus Control, I/o
- Handling, each Driver and PC Interface
Main Control operate its full function on the Main B'd and CPU control Controller ASIC and build-in
Memory.
2.2.2.1(b) CPU
Use 32Bit RISC Processor of Jupiter4e, and control system by operating Operation Block of the System
Program inside Flash Memory.
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General
Weight and Dimensions
