Miscellaneous Troubleshooting Tips - Intermec 6820 Series User Manual

Miscellaneous Troubleshooting Tips

Possible Printer Problems
Symptom
Printer does not communicate
with the mobile computer.
Double-spacing on application
reports but single-spacing on
self-test.
Zero prints incorrectly (with/
without slash).
Does not print extended char-
acter set — missing font.
Printer emits 1 or 2 beeps or
blinking green light is the only
indicator.
Printer emits 2 sets of 3 beeps
Printer works but some or all
LEDs do not work.
Printer does not print
6820 Series 80-Column Printer User's Manual
The following table lists actual printing problems, possible causes, and ac-
tions you should take to correct a problem.
Test or Cause
Incorrect protocol selection. Check
S
lines 17 and 18 on the self-test report for
correct bit rate and protocol selection.
Bluetooth Unable to connect.
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Check line 16 on the self-test report, if
"CR+LF" then this is an incorrect con-
figuration for NPCP.
Check line 15 on the self-test report for
"Zero Font Style" setting.
Check line 11 or 12 on the self-test re-
port to see if the "NFT0000.MOD" file
is listed after "Font Module."
Printer mechanism does not have ade-
quate power for printing. The 12 V may
be under or over voltage fault. (Note: Er-
ror lights do not flash if voltage is too high)
Printer out of paper
Gray ribbon cable connecting control
panel board to pivot frame assembly is
loose.
No voltage
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Voltage too high or low. Check line 13
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on the self-test report, under the "Battery
Voltage" header.
No data input
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Chapter 7 Troubleshooting and Diagnostics
Solution
Change protocol settings through config-
uration process.
Make sure you are in range (10cm to
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10m)
Make sure your device is configured to
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be discoverable and/or connectable (see
Appendix A, "Bluetooth Configuration
Commands")
Make sure the Bluetooth shutdown tim-
S
er has not expired
See page 31 for instructions.
If incorrect, adjust the zero print option,
see page 32 for instructions.
Use the 6820 Printer Tool Kit to reload
this file or send for hardware repair.
Check battery or power supply.
If battery, recharge or replace (see page
S
15 for instructions).
If power supply, adjust supply voltage
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to 7.5–15 volts.
Check the printer's internal battery, if
installed. Check the vehicle charge cable
(see the 6820 Printer Installation Instruc-
tions P/N: 962-018-016).
Reload paper into printer mechanism.
See page 18 for instructions.
Call Customer Support (800-755-5505)
or send printer for hardware repair.
Adjust supply voltage to 7.5–15 volts.
Tighten computer connections.
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