Epson 4100 manual Troubleshooting Aids, POWER-UP Sequence Test

120 Troubleshooting

TROUBLESHOOTING AIDS

POWER-UP SEQUENCE TEST

The normal start-up sequence for the printer is detailed in the following table. The printer performs this sequence each time the printer is turned on.

After Turning
On Printer,	Meaning That :	If Not Observed :
Observe the
Following:
A. Indicators light	Power is applied to	Check power receptacle,
briefly.	printer. Main power	power cable, and printer
POWER	supply is operating OK	fuses (Page 107). If
indicator	and feeding power to	necessary, call for
remains on.	switch panel.	service.
B. Printhead	Carriage motor functions	Check for an obstruction.
carriage	properly. While tracking,	If necessary, call for
moves right to	the printer checks	service.
left, then stops	position of the printhead
at extreme	carriage and then parks
left.	the carriage at its "home"
	position in preparation for
	printing.