Chapter 1 — Introducing ESim
ESim for the PC4 and PF8 Printer Programmer’s Reference Manual 3
Entering a Mode
The printers have 8 modes of operation:
•Autosensing mode
•Dump mode
•Direct mode
•Print mode
•Error mode
• Form Retrieve mode
• Form Edit mode
•Pause Printing mode
When power is first applied to the printer, the printer looks for a
startup form named AUTOFR, see “FS - Form Store” on
page 74. If an AUTOFR form is found, it is executed in a loop. If
no AUTOFR is found, the printer switches to Direct mode,
which is the main operating mode of the ESim protocol.
Autosensing Mode
The Autosensing mode is used to calibrate the sensors that
control the media feed and determine where the individual labels
or tags start and stop. There are two different sensors.
• The Gap sensor detects perforated slots in continuous media
and the gap between self-adhesive labels mounted on a liner
(backing paper).
• The Black Mark sensor detects black marks printed on the
bottom side of the media.
To enter Autosensing mode
1 Turn off power to the printer.
2 Load the appropriate type of media.
3 Switch on the power while holding down the Feed key.
4 Select a detection method:
a Select gap detection by releasing the Feed key within 2
seconds. The status LED blinks green and the printer is set
to gap detection.
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