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2.1. Control Panel
Interface Indicator
The interface indicator shows which of the printer’s interfaces is currently active. It uses the following abbreviations:
PAR Standard
SER Serial interface
OPT1 Optional interface 1
OPT2 Optional interface 2
The PAR, SER, OPT1, or OPT2 indicator flashes when the printer is receiving and has received all the data, and then remains on. The printer gives priority to data coming in over the interface corresponding to the blinking indicator.
Resolution Indicator
This shows the current printing resolution. The default is 600 dpi