Epson EPL-8000 Product Information Guide - Page 12

Data Dump Mode Data dump mode is a special feature that makes it easy for experienced users to find the cause of communication problems between the printer and computer. In data dump mode, the printer produces as exact printout of the codes it receives. Make sure that paper is loaded and the printer is off. Hold down the SelecType button while you turn on the printer. Make sure you hold the button down until you see message HEX DUMP on the display. Next, run any program that causes the printer to print (either an apphcation program or a program written in any programming language). Your printer prints out all the codes it receives in hexadecimal format, as showm below. .**...*. WEI mmP LIST PASE 1 Information Reference List Engineering Change Notices NOrb2. Product Support Bulletins NOXU?. Technical Information Bulletins NOlW. Related Documentation TM-EPL8ooo EPL8ooo Service Manual PL-EPL8ooo SPKEPL8ooo EPL-8000 Parts Price List EPL-8ooo self Paced Kit 4oooa34 GtI1-00 EPL-8000 User's Guide 4uoos35 Gal-al EPL-8000 Quick Setup& Maintenance Guide 4. To turn off the data dump mode and stop printing, press ON LINEtosettheprinteroffline.(IfyoupmsONLINEwNea page is being printed, the green ON LINE Ii&t flashes until the page is ejected and the printer goes off line.) To exit the data dump mode, turn off the printer. Look at the sample data dump printout. By reading the characters printedinthetextfieldmtherightsidedthedatadump printout or the printout of hexadecimal codes, you can check what codes are being set to the printer. In the text field, printable characters appear as their true ASCII characters. Non-printable codes, such as control codes, are rqmsented by dots. To interpret a data dump printout, look at the fht two hexadedd codes on line 0004 of the printout sample (73 to). Code 73 represents the letter s; code 20 repmsents a space. ChcckthefihhlineofthernctCiddantheri%tEideofthe printout and you will find the letter s followed by a space. EPL-8000-12 3/3/92 Laser Printers