Epson LQ-850X User Manual - Page 116
the second line of the text field on the right side of the printout
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By comparing the characters printed in the text field on the right side of the data dump printout 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 R0 ESCt1 Function Initialize printer Select USA character set Select PC 437 (Epson Extended Graphics) 3-34 Using the Printer
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 |
 |
By comparing the characters printed in the text field on the right side
of the data dump printout 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
Command
1B
40
ESC @
1B 52 00
ESC R0
1B 74 01
ESCt1
Function
Initialize printer
Select USA character set
Select PC 437 (Epson Extended Graphics)
3-34
Using the Printer