SATO S84 ex - Replacing the Operator Panel KB PCB

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.
Refer to 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.
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