3-2 Service Manual
2580+, 2581+, 2590+, 2591+
Print test
The Print test helps you test and troubleshoot the printer. To start the Print test:
1. Paper must be at the print position; the test does not print if paper is parked.
2. Press and hold Line Feed, and turn the printer on.
3. Release Line Feed when the printing starts.
4. To interrupt the printer test:
a. Press Start/Stop. The test stops after a complete line of characters prints.
b. Press Start/Stop to continue the test sample.
5. To stop the printer test, turn the printer off.
If the Print test fails, go to “Start” on page 2-1.
Note: The short horizontal lines at the top of the sample are a test of each printhead wire numbered in
sequence, from top to bottom.
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 Tractor, 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
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