Switches/Leds; Switches; Leds; Test Pin - Gestetner A193 Service Manual

SWITCHES/LEDS

4. SWITCHES/LEDS

4.1 SWITCHES

BICU
Number
SW 1 Resets all systems (like turning the main switch off/on).

4.2 LEDS

BICU
Number
LED 2 Monitors the +5V line for the slave CPU (IC5). Usually, this LED is blinking.
LED 1 Monitors the +5V line. Usually, this LED is lit.
IOCSS
Number
Monitors the connection between the IOCSS and the BICU. Usually, this
D103
LED is lit.

4.3 TEST PIN

IOCSS
Number
TP105 Monitors the control voltage of the TD sensor (Vcont).

5. SPECIAL TOOLS AND LUBRICANTS

5.1 SPECIAL TOOLS

Part Number
A006 9104
A193 9351
A193 9353
A153 9004
5420 9516
5420 9507
(A193)
Monitored Signal
Description
Scanner Positioning Pin (4 pcs/set)
ROM Board 2
Flash ROM/SRAM Copy Tool 2
Wiping Cloth (for the Drum Charge Roller)
Test Chart - OS-A3 (10 pcs/set)
Digital Multimeter
4-44
Function
Function
Function
Q'ty
1
1
1
1
1
1
SM