Epson Stylus Scan 2000 - Page 52

EPSON Stylus Scan 2000
Revision A
Operating Principles
Electrical Circuit Operating Principles
51
[CR/PF Motor Drive Circuit]
Constant current drive is performed by the HIC. Out of this, only CR Motor is
controlled for Micro-Step control and HIC becomes possible to flow the appropriate
current value at each steps. (PF Motor has only 1-2, 2-2 phase drive method). Also,
bipolar drive is performed on the 4 cables individually.