Epson LQ-510 User Manual - Page 92

Using the Data Dump Mode 4. To turn off the data dump mode after you have taken the printer off line, turn off the printer. By comparing the characters printed in the text field on the right side of the data dump printout (see step 3) with the printout of hex codes, you can check which codes are being sent to the printer. To interpret the data dump printout, examine the first three hex codes on the second line of the printout sample (20 20 54). Each hex code 20 represents a space; hex code 54 represents the letter T. Check the second line of the text field on the right side of the printout and you will find the letter T preceded by two spaces. The chart below interprets the first eight codes. Hex codes 1B 40 1B 52 00 1B 74 01 Command ESC ESC R 0 ESC t 1 Function Initialize printer Select USA character set Select Epson Extended Graphics set 3-26 Using the Printer