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Testing and Adjusting
3-17
3
Adjusting the Label Mark Sensor
The mark sensor detects the mark on the back of continuous media stock. The
output is then used to determine the start of print point. This sensor is located
under the label pathway across from the platen roller. Two adjustments affect
the performance of this sensor, its physical position and sensitivity. To perform
this procedure, you need the following tools:
• Digital multimeter
• #2 Phillips screwdriver
• Small straight-slot screwdriver
To position the label mark sensor
1. Remove the media cover.
2. Use your finger to reach underneath the lower guide.
3600M.034
Label mark
sensor
Locate the label mark sensor
behind the platen roller near
the inboard edge of the printer.
Use your index finger to adjust
the label mark sensor.
Platen
roller
Inboard edge
of printer.
The platen roller
is not shown
for clarity only.