24 Intermec EasyCoder C4—User’s Guide
Chapter 2— Operation
Label Gap Sensor
Adjustment
The EasyCoder C4 printer is fi tted with a label gap sensor that detects
slots between tickets and tags, or gaps between labels, as the media is
fed past the sensor during printing. Thus the fi rmware can determine
the length of the tags or labels and control the media/ribbon feed
accordingly.
The label gap sensor is a center-aligned photoelectric sensor that
measures the light that passes through the media path. The transparency
of the liner of a label supply may differ between batches, making it
diffi cult for the sensor to discriminate between labels and liner. When
this occurs, the indicator lamp will switch from green to orange,
indicating that sensor should be adjusted by entering the Test Mode, as
described below.
Test Mode
The Test Mode can be used for four main purposes:
• To adjust the Label Gap Sensor.
• To enter the Dump Mode.
• To print a Test Label with a test pattern and a list of the printer's
current setup.
• To reset the printer to its default settings.
Do not use continuous stock in the Test Mode. The printer
will not be able to detect any gaps and an error will occur.
Use the Test Mode this way:
1 After having loaded the printer with full width labels, tickets, or tags,
switch off the power to the printer.
2 Press and hold the Feed key while switching on the power.
3 Release the Feed key when the green indicator lamp fl ashes.
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