No Communication (General) - Intermec EasyCoder PX4i Service Manual

Chapter 17 — Troubleshooting

17.9 No Communication (general)

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Description:
The following actions are valid for all communication interfaces installed
in the printer.
Possible Causes and Suggested Remedies:
• Defective cable between printer and host.
- Check that the communication cable is correctly inserted and that it
is of the correct type and is correctly confi gured.
- Check that any clips or ground screws are properly engaged.
- Inspect cable for physical damage.
- Disconnect and connect the cable a few times to rub off possible
oxide from the connectors.
- Try using another identical cable.
• Defective cable between interface board and CPU board. This does not
apply to the serial port ("uart1:"), the USB port, or any EasyLAN board
which all are fi tted directly on the CPU board.
- Check that the cable is connected correctly.
- Inspect cable for physical damage.
- Disconnect and connect the cable a few times to rub off possible
oxide from the connectors.
- Replace the cable.
• Error in host.
- Try connecting the printer to another host computer.
• Erroneous data.
- If using Fingerprint, check if the data string contains the correct char-
acters using the Line Analyzer program included in Intermec Shell
(see the User's Guide).
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