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Initialization, A-11, Interface timing – Epson 2250 User Manual

Page 82: Appendix a-11

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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:

Hardware initialization

l

The power is turned on.-

* The printer receives an INIT signal from the parallel

interface (pin 31 goes LOW).

Software initialization

l

Software sends the ESC @ (initialize the printer)

command.

Appendix

A-11