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3.
To turn off the data dump mode, press the
ON LINE
button to take the
printer off line, and then turn off the printer. (The data dump mode
can
also be cancelled by sending an INIT signal from the computer.)
Look at the data dump shown in Step 2. By comparing the characters
printed in the right column with the printout of the hexadecimal codes,
you can check what codes are being sent to the printer. If characters are
printable, they appear as their true ASCII characters. Nonprintable
codes, such as control codes, are represented by dots.
As an example of how to interpret a data dump printout, look at the first
three hex codes on the second line of the printout sample (20 20 54). Each
hex 20 represents a space, while hex 54 represents the letter T. Check the
second line of
the
right column and you will find the letter T preceded by
two spaces.
The chart below interprets the first line of codes:
Hex codes
Command
lB40
ESC @
lB5200
ESC R0
lB7401
ESC tl
lB36
ESC 6
12
DC2
lB50
ESC P
lB70 00
ESC p0
Function
Initialize printer
Select USA character set
Select Epson Extended Graphics
Printable code expansion
Cancel condensed mode
Select 10 cpi
Cancel proportional
6-6
Troubleshooting