3 ) Scanner Drive Circuit - Kyocera Mita DC-2560 Service Manual

1AH
(3) Scanner drive circuit
CPU
(IC32)
SM
MM
LM
BL
Figure 2-3-15 Scanner drive circuit block diagram
The scanner drive circuit consists of CPU (IC18) on the main PCB and each motor drive
IC.
The CPU (IC18) communicate timing and control data with CPU (IC32) through the
parallel and serial circuit, and controls the scanner system in time with CPU (IC32)
according to the program stored in EPROM (IC22).
2-3-14
Parallel control signal
Serial control signal
Scanner
motor drive
circuit
Address
latch
(IC23)
ROM
(IC22)
CPU
(IC18)
SHRPSW
LHPSW
MHPSW