SATO 9001226(A) Service Manual page 161

6.9 ADJUSTING AND CHECKING SENSORS (Cont'd)
When using the optional Test Module for checking, connect the optional Test Module to the CHK
6.
connector as shown above. Set the digital multimeter to direct-current voltage mode. Connect [+] probe to
"SIG" and [-] probe to "GND" of Test Module . Turn the dial to "6" .
If Test Module is not available, connect [+] probe of the multimeter to " CH3B " and [-] probe to " CH1A " of
the CHK connector as specified below.
To adjust low level (without tag / jump hole), ensure no tag is loaded onto the printer and then use the
7.
microdriver to adjust the J.HOLE potentiometer ( VR10 ) until the sensor level shows +0.6V or below on the
multimeter.
To adjust high level (tag), load the tag to the Jump hole sensor.
8.
Use the microdriver to adjust the J.HOLE potentiometer ( VR10 ) until the sensor level shows +2.3V or
9.
more.
Table of normal performance values:
Low level (without media/ Jump hole area):
High level (with tag):
If you are having difficulty adjusting the sensor properly, clean the sensor and check the connector
10.
connection. If the problem persists, replace the sensor.
TG3 Series Service Manual
Section 6: Checks and Adjustment Procedures
+0.6V or below
+2.3V or above
Page 6-23