3MJ
2-3-1
2-3 Operation of the PWBs
2-3-1 Finisher control PWB
Figure 2-3-1 Finisher control PWB diagram
SDI
SCLK
FSSOL ACT/RET
5V
24V
DF SEL
SDO
RESET
5V
PUSOL
PCSW
TOCSW
ITS,SRFHPS,SRRHPS,TERHPS
STES, STCS, STHPS, STSPS
DF RDY
EEPROM
Reset IC
CPU
5V
SDA
SCL
Machine
Paper conveying unit
FINPWB
Buf
fer
Stepping motor
driver circuit
Motor
driver circuit
Stepping motor
driver circuit
Stepping motor
driver circuit
Stepping motor
driver circuit
Driver circuit
FSSOL
PUSOL
Staple section
PCM
STM
FSRM
RSRM
TERM
Sensors
PCSW
TOCSW
Switches
sensors
Serial
communication
Summary of Contents for DF-420
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Page 11: ...First Edition DP 420 ...
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Page 82: ...First Edition PF 420 ...
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Page 159: ...3MJ 1 2 4 3 Remove the tape from the process table Figure 1 2 4 Tape Process table ...
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