Zebra Technologies GC420t 사용자 설명서

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Resetting the Factory Default Values
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P1052686-001
GC420t™ User Guide
5/22/2012
Resetting the Factory Default Values 
Sometimes, resetting the printer to the factory defaults may solve some problems. Refer to the 
four-flash sequence in 
 in this section.
Communications Diagnostics
If there is a problem transferring data between the computer and printer, try putting the printer 
in the communications diagnostics mode. The printer will print the ASCII characters and their 
respective hexadecimal values (a sample is shown below) for any data received from the host 
computer. To find out how, 
There are multiple ways to enter hex data dump mode: 
• The ~JD ZPL command 
• The dump EPL command 
• On power up with the Feed button pressed. Refer to the power off mode procedure in 
 in this section.
The printer will print ‘Now in DUMP’ (see below) and advance to the top of the next label.