Lexmark 248X, 249X manual Timing, Init

Pin	Line	Description
31	INIT*	INIT* from the system resets the printer to its initial power-
		on-state. The BUSY line goes high, and any received data is
		printed. When INIT* goes low, the printer resets to the power-
		on default state. If data is in the USB buffer, the USB FIFO is
		not reset.
32	ERROR*	The printer sets the ERROR* line low if the printer detects an
		error or out-of-paper condition.
		A critical error condition exists when both ERROR* and PE
		are low.
33	GND	Ground level.
34-35		Not used.
36	SELECT IN	The printer does not respond to the DC1/DC3 code when this
		signal, valid only in Epson mode, is low.

* Inverted logic (signal is active when low).

Timing

The following chart shows the timing in microseconds of these signals.

Section 6: Using the Printer Interface 95