2. Circuit Description
A. Outline
This circuit controls paper feed, transport, reverse, and delivery.
This circuit consists of the following divisions: managing signals from the sensors, the switches, and the main unit; driving the motors, the solenoid, and the clutch; the CPU and associated circuits.
B. Block Diagram
Main Unit
RXD0
SGND
TXD0
DC+24V 
DC+24V
DC+5V
Inserter
H_SEN
HI_SEN
HYK_SEN
KC_SEN
S_SEN
EMP_SEN
REG_SEN
TIM_SEN
T_VR
T_SEN
TH_SEN
TS_SEN
P_ST_SW
P_MO_SW
P_PN_SW
P_PN_LED
P_MO_LED1
P_MO_LED2
P_MO_LED3
P_MO_LED4
P_ST_LED1
P_ST_LED2
COMMU-
NICATION
CIRCUIT
SENSORS
INPUT
CIRCUIT
CPU
SW
INPUT
CIRCUIT
LED
DRIVE
CIRCUIT
JAM COVER
OPEN/CLOSED
DETECTION
CIRCUIT
(24V
CONDUCTIVE DETECTION)
|
| INRUSH |
|
| CURRENT |
|
| |
JCK_SW |
| LIMITING |
|
| CIRCUIT |
|
|
|
DC+5V
ROM
EEP ROM
DRIVER
F_SOL
R_CL
K_MOT
H_MOT
Y_MOT
Finisher
RXD1
SGN
TXD1
DC+24V