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5
Replacement
73
S84-ex/S86-ex Service Manual
5.5 Replacing the Main (CONT) PCB
Required tools:
• Box wrench
• Phillips screwdriver
1
Make sure that the printer is in power off mode, then disconnect the power cord from
the AC outlet.
2
Open the
rear housing covers
from the printer.
Section 5.1.1 Opening the Rear Housing Cover
for details.
3
Remove two
screws
attaching the
interface panel plate
to the rear
housing cover.
4
Remove four
hexagon posts
and two
screws
of the interface connectors.
5
Disconnect all the cables from the
connectors
(as listed below) on the
main (CONT) PCB
.
A
:
FAN
, connects to the fan unit.
B
:
POW24
, connects to the power supply unit.
C
:
POW
, connects to the power supply unit.
D
: Optional
RFID
, connects if installed.
E
:
KB
, connects to the operator panel KB PCB.
F
:
SENSOR
, connects to various sensors.
G
:
USBH
, connects to the USB PCB.
H
:
HEAD
, connects to the print head assembly.
I
:
FEED
, connect to the gearbox motor.
J
:
RIBBON_REWIND
, connects to the ribbon
motor (rewind).
K
:
RIBBON_SUPPLY
, connects to the ribbon
motor (supply).
L
: Optional
HEAD_UP
, connects if installed.
M
: Optional
WLAN
, connects if installed.
1
1
2
3
4
3
6
X 7
5
A
B
C
E
F
H
D
I
L
G
M
J
K
Summary of Contents for S84 ex
Page 1: ...Service Manual For printer model ...
Page 6: ...Table of Contents 4 S84 ex S86 ex Service Manual This page is intentionally left blank ...
Page 104: ...5 Replacement 102 S84 ex S86 ex Service Manual This page is intentionally left blank ...
Page 123: ...7 Appendix 121 S84 ex S86 ex Service Manual This page is intentionally left blank ...