DUPLO SEIKO CORPORATION Duprinter DP-330, Service Manual

Page: 65 / 330

64
x
Platemaking / Master Feed / Ejection Section
chap.2
Product No.: 020455314 -
The mode is detected under the following conditions
2
B mode
When the C mode detect sensor is photointerrupted, the B mode detect sensor detects the edge of photointerrupting
/
photopassing or photopassing - photointerrupting.
2
C mode
When the B mode detect sensor is photopassing, the C mode detect sensor detects the edge of photointerrupting
f
photopassing.
(1) B / C Mode Detect Sensor
Sequence
C mode detect sensor
B mode detect sensor
Clamp motor
C-mode B-mode C-mode B-mode C-mode B-mode C-mode
Master tip end is pulled into
the master ejection box
Master tip end is fed to
the master clamp section
Master
clamp
grips
the master
tip end
: Motor normal rotation(CW), Sensor photointerruptig(ON)
: Motor stops, Sensor photopassing(OFF)
: Motor reverse rotation(CCW)
B mode detect sensor
M a i n P C B u n i t
Red
Blue
-9 1
2
3 -11
Green -10
5V
5V
5V
0
C mode detect sensor
Red
Blue
CN17-3 1
2
3 -5
Orange -4
5V
5V
5V
0
CN1-1
-32
CN9-26
-27
Clamp motor
Yellow
Orange
2
1
18
19
Drive PCB unit
-
CN3-1
-32
-
Photopassing :0V
Photointerrupting:5V
Photopassing :0V
Photointerrupting:5V
Circuit
Operation / Sequence
3. Function of Parts
440W14e
440SEQ04e