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Chapter
Label Stop Sensor
The label stop/black mark sensor (LSS) is a photoelectric sensor that controls the printer’s media feed by detecting gaps between labels, or slots or black marks in continuous stock, depending on the printer’s setup
in regard of media type (see Chapter 6, “Setting Up the Printer”). An obvious prerequisite is that the LSS must be aligned with the gaps, slots, or black marks. If
The LSS can be moved laterally between 5 fixed positions. There is one part of the sensor on top of the upper media guide and another part underneath the lower guide. These must be adjusted individually to the same position. Using a small screwdriver, push them inwards as far as they go and then pull them
The various detection points of the sensor in relation to the inner edge of the media are as follows:
One click out | 3 mm | .118 inches |
Two clicks out | 8 mm | .315 inches |
Three clicks out | 12 mm | .472 inches |
Four clicks out | 16 mm | .639 inches |
Five clicks out | 20 mm | .787 inches |
One diode +
One sensor
Upper part of LSS
One diode +
One sensor
Lower part of LSS | Print mechanism |
Intermec EasyCoder PF4i Compact | 109 |