Epson Stylus Photo R800 - C550 MAIN Circuit Operating Principle

EPSON Stylus Photo R800 Revision A
OPERATING PRINCIPLES Electrical Circuitry Operating Principles 34
The following is the block diagram of the power supply circuit.
Figure 2-14. Power Supply Circuit Block Diagram
2.3.2 C550 MAIN Circuit Operating Principle
The C550 MAIN Board consists of the following circuits and sensors.
 Logic Circuits (CPU-ASIC 2 in 1, PROM, SDRAM)
 Motor control/Drive circuits
(CR Motor, PF Motor, APG Motor, ASF Motor, Pump Motor)
 Head control/Drive circuit
 Interface Circuits
USB 2.0, IEEE1394
 Sensor circuits
 Reset circuits
 EEPROM circuit
 D/A converter circuit
Download Service Manual And Resetter Printer at http://printer1.blogspot.com