Initialization; Interface Timing - Epson ActionPrinter 2250 User Manual

Interface timing

The figure below shows the timing for the parallel interface.
BUSY
ACKNLG
DATA
STROBE

Initialization

The printer can be initialized (returned to a fixed set of conditions) in three ways:
Hardware initialization
Software initialization
The power is turned on.-
l
* The printer receives an INIT signal from the parallel
interface (pin 31 goes LOW).
Software sends the ESC @ (initialize the printer)
l
command.
Technical Specifications
Appendix A-11