SATO S84 ex - Test Print Check

4 Checking and Performing Printer Adjustments
44
S84-ex/S86-ex Service Manual
4.2 Checking the Direct Current Power Voltage
This checking procedure enables checking various direct current voltages of the main (CONT) PCB
board. These checking activities require the use of a multimeter and may be performed with or without
the assistance of the SATO test module. The test module is a purchase option.
Required tools:
• Digital multimeter
• Phillips screwdriver
• SATO test module, optional
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 Locate the CN10 connector on the bottom left corner of the main (CONT) PCB board.
When using the optional test module for checking, connect the optional test module to the CN10
connector as shown below.
If test module is not available, direct measurement on CN10 connector is possible. Refer to the
following illustration to locate the required pins.

Connect ground probe here
0
1
2
3
4
5
6
7
8
GND SIG
5B
4B
3B
2B
1B
6B
5A
4A
3A
2A
1A
6A
Connect positive
probe here
Test module dial
Test
module
Main (CONT) PCB
LAN
RS-232C
SW1
VR1
CN10
USB
IEEE1284
EXT
CN10 Connector
Pin Designation
1A6A
1B6B