Adjustment Of Gap Sensor - SATO e Series Service Manual

Section 4. Electrial Checks and Adjustments

4.6 Adjustment of Gap Sensor

STEP PROCEDURE
Refer to Section 4.2 and remove the left side cover for access to the main circuit board.
1. Refer to illustrations and charts on pages 4-3, 4-4 and 4-9.
Turn VR6 (GAP) potentiometer on the main circuit board all the way to the left, until you
hear the CLICK sound.
2. Set the digital multimeter to DC voltage measurement mode. Attach the connector from
the TP Test Module to the test port on the main circuit board. Note the correct positioning
of the connector. Nibs on the connector are placed down in the receptacle on the circuit
board in the forward position. Set the dial of the TP Test Module to 5.
3. Connect (+) probe of the multimeter to Sig+ and (-) probe to pin GND.
4. Switch ON the power of the printer.
5. For Low level (Label Gap part with backing only) adjustment, put label gap part in the
sensor. Then adjust the electrical level with VR6 on the main circuit board so that it will
measure less than 0.5V.
6. For High level (paper part) adjustment, put paper part in the sensor and check the electrical
level. If the level difference is +1.0V more than the Low level, it is acceptable. If not,
return to STEPS 5 & 6 and readjust VR6.
7. Standard values:
PN 900109
Rev. A
4-8
Additional equipment required: TP Test Module
Low level (gap): below +0.5V
High level (paper part): Low level +1.0V or higher. If these values
do not result, try the following:
a) Repeat the process
b) Clean the sensor
c) Verify sensor is operational and replace if necessary.
d) Replace labels with higher quality labels.
e) Perform factory reset.
SATO M-10e TT/DT Printers Service Manual
Digital Multimeter