SATO M-8400RVe Operator And Technical Reference Manual page 52

Section 3: Configuration
GAP
INPUT
Page 3-20
GAP - When setting the "gap" threshold, the voltage shown on
[X.XV]
the top line of the display must be measured with nothing but
[X.XV]
the backing in the sensor and then again with a label still
attached to the backing. The formula to be used for setting the
threshold is:
(High Voltage Level + Low Voltage Level) x 0.5 = Start Value
1. Insert a label still attached to the backing into the sensor
and close the Label Hold-Down. Record the voltage
shown on the top line of the LCD panel. This line should
have the message "GAP" on the top line (DIP switch
DSW2-2 = OFF). Make sure the label is all the way under
the sensor.
2. Strip the label from the backing and insert the backing
strip under the sensor and close the Label Lid. Record the
voltage shown on the top line of the LCD panel. The
voltage ranges measured should be within the following
range
If the measured values are outside this range, you may
have trouble in finding a value that will work properly
under all conditions. If this is the case, a higher quality
label may be needed to get adequate performance.
3. Calculate the starting point voltage using the formula.
4. Use the LINE key to step the counter to the desired
setting. The display will increment one step for each time
the LINE key is pressed. If the LINE key is held pressed
for more than two seconds, it will automatically go into the
fast scroll mode. The reading will advance to a setting of
3.3 (the maximum voltage) after which it will automatically
wrap and start at "0.0" again. If a value of "0.0" is set,the
printer will automatically set the level each time the printer
is powered on with labels loaded or the head is closed.
5. Once the setting is correct, pressing the FEED key will
accept the setting and advance to the Online Feed
display.
PN 9001075A
Backing without label = 0.5V or less
Backing with label = 1.0V the low value
SATO M8400RVe