Intermec 6822 6820 Series 80-Column Printer User Manual (for printers purchase - Page 93

Testing Communications/PC, Form Feed, Set

Page 93 highlights

Chapter 5 - Troubleshooting and Maintaining the 6820 If the beep codes and LEDs do not indicate the listed conditions, but the printer does not perform properly, perform a printer self-test. Press and hold the Form Feed and Set Page buttons until the printer beeps and all indicator lights turn on. As the test progresses, the lights change. At the end of the self-test, the printer generates a report the verifies the following information: • Errors detected during self-test • Error history • Communication configuration If the printer self-test report does not print, reset the printer. If the report does print after resetting, then the printer is all right and the reason the printer does not respond to PC print requests is probably communications or PC related. If the report is partially completed, and a printer error occurs during the printing of self-test, see "Printer Failure Indicators" on page 80. Perform a power-on-self-test (POST) to test for errors either by resetting the printer or powering it up. If errors occur, audible error codes, along with indicator light status, are produced during POST. For more information on these error codes, see "POST Error Codes" on page 81. If the POST completes without error, try the printer self-test again. If the self-test prints correctly, but the printer does not respond to the PC, then the problem may be related to communications or PC problems. Testing Communications/PC Use the self-test report to verify that the communications protocol options, selected at the printer, match those expected by the host. For information on the self-test report see "Running the Self-Test" on page 84. If communication protocol options are incorrect, reconfigure the printer as described in "Setting the 6820 Configuration" on page 27. 6820 Series 80-Column Printer User Manual 77

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Chapter 5 — Troubleshooting and Maintaining the 6820
6820 Series 80-Column Printer User Manual
77
If the beep codes and LEDs do not indicate the listed conditions, but
the printer does not perform properly, perform a printer self-test.
Press and hold the
Form Feed
and
Set Page
buttons until the printer
beeps and all indicator lights turn on. As the test progresses, the lights
change.
At the end of the self-test, the printer generates a report the verifies
the following information:
Errors detected during self-test
Error history
Communication configuration
If the printer self-test report does not print, reset the printer. If the
report does print after resetting, then the printer is all right and the
reason the printer does not respond to PC print requests is probably
communications or PC related. If the report is partially completed,
and a printer error occurs during the printing of self-test, see
“Printer
Failure Indicators” on page 80
.
Perform a power-on-self-test (POST) to test for errors either by
resetting the printer or powering it up. If errors occur, audible error
codes, along with indicator light status, are produced during POST.
For more information on these error codes, see
“POST Error Codes”
on page 81
.
If the POST completes without error, try the printer self-test again. If
the self-test prints correctly, but the printer does not respond to the
PC, then the problem may be related to communications or PC
problems.
Testing Communications/PC
Use the self-test report to verify that the communications protocol
options, selected at the printer, match those expected by the host. For
information on the self-test report see
“Running the Self-Test” on
page 84
. If communication protocol options are incorrect,
reconfigure the printer as described in
“Setting the 6820
Configuration” on page 27
.