SATO TG308, Service Manual

Page: 160 / 252

Section 6: Checks and Adjustment Procedures
Page 6-22
TG3 Series Service Manual
6.9 ADJUSTING AND CHECKING SENSORS (Cont’d)
6.9.5 Jump hole Sensor Sensitivity Adjustment
This sensor adjustment regulates penetrating ability for media referencing. The edge sensor is located next to
I-Mark sensor.
1.
Enter to SENSOR LEVEL setting screen and press the
FEED
button repeat-
edly until PAPER SENSOR JUMP HOLE is selected.
2.
Physically feed in the tag from the
media guide
until it touches the
Lid
Latch
and rests over the
Jump hole sensor
.
3.
Check the sensor response via the LCD screen.
The LCD screen will display
[1]
if tag is set on the jump hole sensor and display
[0]
if no tag is set.
4.
Pull out the tag and check the LCD screen.
If the LCD screen does not response correctly, proceed the following steps to adjust the sensor level.
To calibrate the Jump hole sensor level with the potentiometer
NOTE:
Measure the sensor level directly in the
Maintenance
mode only. This is because the sensor
protection (measurement to prolong operating life) is enabled in the
ONLINE
mode.
These checking activities require the use of a multimeter and may be performed with or without the assistance
of the
SATO Test Module
.
5.
Remove the side cover to reveal the
Main PCB (CONT board)
. Please refer to
step 2
and
3
of
Section
6.2 Checking the Direct-Current Power Supply
.
Jump hole sensor
Connect [ - ]
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 [ + ]
probe here
Set Dial to 6
Test
Module
CONT PCB
CHK
Top view of
CHK
Connector
Connect [ + ] to point 3B
Connect [ - ] to point 1A
VR10
(J.HOLE)