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3.MAIN UNIT REPLACEMENT
EO18-33016A
3.2 MAIN PC Board Ass’y
3- 5
11. Replace the MAIN PC board with a new one, and reassemble in the reverse order of removal.
CN501
A
UD/RTC
(Not used)
CN13
Panel PCB
CN9
Print Head, Signal
CN19
Parallel I/F
CN17
LAN I/F
CN18
USB I/F
CN8 Power Su
pp
l
y
CN12 SIO PC Board
CN10 Fan
CN6
Serial Interface
CN4
Ex
p
ansion I/O PCB
CN5
Sensors
CN3
Option
CN2
Ribbon Motor
CN1
Print Head, Power
CN500 Stepping Motor
CN11 External I/O (Not used)