Diagnostic Loopback - Intermec EasyCoder 4630 User Manual

All data sent to the printer prints as ASCII control characters and
hexadecimal codes.
Note: To stop Buffer Hex Dump mode, turn off the printer and return the
interface rotary switch to position A.
To start Buffer Hex Dump mode at the host
1. Turn off the printer and make sure the proper 9-pin host adapter is
attached to the interface card and that the printer is connected to
the host.
2. Turn on the printer and wait for the ONLINE READY display.
3. Place the printer in Data Line Print mode (Service menu, Data Line
Print, Enable).
4. Send the following command from the host to the host printer:
&%Z42,1
All data sent to the printer prints as ASCII control characters and
hexadecimal codes.

Diagnostic Loopback

In Diagnostic Loopback mode, the interface card transmits data to
itself to check for errors.
To start Diagnostic Loopback mode
1. Turn off the printer and disconnect the host cable(s) from the
9-pin host adapter, but leave the adapter connected to the interface
card.
2. Set the interface card rotary switch to position F.
3. Turn on the printer. The printer prints a test label indicating that
the interface card is in Diagnostic Loopback mode.
4. Turn off the printer to end Diagnostic Loopback mode and set the
interface card rotary switch to position A.
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Troubleshooting
3-5