3-4 Service Manual
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Hex Trace Mode
The hex trace mode helps the user test and troubleshoot programs.
Use the hex trace procedure to get a hexadecimal printout of the
data stream sent to the printer. All data, including both control and
character data, print in hexadecimal instead of ASCII.
To activate hex trace mode:
1. Press and hold Tractor and then turn the printer on.
2. After a few seconds, release Tracto r and the lights go out.
3. Start your application program. Be sure the printout is similar to
the hex trace sample shown. Two hexadecimal digits, followed
by a space, are printed for each byte of data sent to the printer.
4. The printer continues to print in hexadecimal until you turn the
printer off.
Hex Trace Mode Sample