Epson 4100 manual HEX Dump Mode, On Line

Operator’s Guide 121

POWER-UP SEQUENCE TEST, CONTINUED

After Turning
On Printer,	Meaning That :	If Not Observed :
Observe the
Following:
C. Printer chirps.	Printer is mechanically	Call for service.
	and electronically OK. (A
	manual off line/on line
	cycle also causes this
	chirp.)
D. ON LINE	Printer is ready for	If ON LINE does not light,
indicator	operation.	check for paper out,
lights.		paper jam, printhead
		carriage obstruction. If it
		flashes, close the
		operator access door. If
		necessary, call for
		service.

HEX DUMP MODE

The hexadecimal (hex) dump mode is used for checking:

•Proper receipt of characters by the printer

•Control commands

•Nonprintable codes