Epson LQ-500 User Manual - Page 90
Initialization, Technical, Specifications
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Initialization There are three ways that the printer can be initialized (returned to a fixed set of conditions). Hardware initialization Software initialization 1. The power is turned on. 2. The printer receives an INIT signal at the parallel interface (pin 31 goes LOW). 3. Software sends the ESC @ (Initialize the printer) command. These three kinds of initialization have slightly different effects. In particular, ESC @ resets the font to the current SelecType setting; the other two methods reset the typestyle according to the default settings selected by the DIP switches within the font compartment. Also, ESC @ does not initialize the printer mechanism, clear the input data buffer, or clear the user-defined character set. Technical Specifications 5-11