Epson ActionPrinter 3250 - Initialization; Interface Timing

Technical Specifications
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:
The printer receives an INIT signal from the parallel
Software sends the ESC @ (initialize the printer)
Appendix A-11