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RW 420 User Guide
3. Press the FEED key. The printer will print: “Entering
DUMP mode.”
NOTE: If the FEED key is not pressed within 3 seconds, the printer will print “DUMP
mode not entered” and will resume normal operation.
4. At this point, the printer is in DUMP mode and will print
the ASCII hex codes of any data sent to it, and their text
representation (or “.” if not a printable character).
Additionally, a file with a “.dmp” extension containing the
ASCII information will be created and stored in the printer’s
memory. It can be viewed, “cloned” or deleted using the Label
Vista application. (Refer the Label Vista documentation for
more information.)
To terminate the Communications Diagnostics Mode and re
-
turn the printer to normal operations:
1. Turn the printer OFF.
2. Wait 5 seconds.
3. Turn the printer ON.
Calling Technical Support
If the printer fails to print the configuration label, or you en-
counter problems not covered in the Troubleshooting Guide,
contact Zebra Technical Support. Technical Support ad-
dresses and phone numbers for your area can be found in Ap-
pendix D of this manual. You will need to supply the following
information:
• Model number/type (e.g. RW 420)
• Unit serial number (14 digit number, including dashes)
The serial number is found on the large label on the back
of the printer. It is also reported in the configuration label
printout. (Refer to Figures 23 through 23b.)
• Product Configuration Code (PCC) (15 digit number, in-
cluding dashes). The PCC number for an RW 420 Printer
will begin with “RW4” and is printed above the unit serial
number on the back of the unit.