
Page 2-28 Z4M/Z6M Maintenance Manual 77259L Rev. 4 12/16/03
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Press and hold both PAUSE and FEED while turning the printer On (l). Release both keys
anytime after the first front panel LED turns off.
PAUSE and FEED together reset the printer to the default settings. These values are not
saved in EEPROM, but may be saved by sending the ZPL command ^JUS or saving
through the LCD on the front panel. After entering factory defaults, the printer will remain
in the paused state to let the operator know that the defaults have been loaded.
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The communications diagnostic mode is a troubleshooting tool for checking the
interconnection between the printer and the host data device. When “Diagnostics” is
selected, all data sent to the printer will be printed as straight ASCII hex characters. The
printer prints all received characters including control codes like CR (Carriage Return).
To enter the communications diagnostics mode press and hold + while turning the printer
On (
l). Release the key anytime after the first front panel LED turns off. You can also enter
enter the diagnostics mode by pressing the SETUP/EXIT and then + until you get to
communications. Press SELECT then enter the password, press + to change number and
– sign to move cursor.
Send a label format from the host data device to the printer and observe the printout on the
label stock. Figure 2-18 provides an example of the diagnostic mode printout.
If errors are indicated, verify your communication parameters are correct.
Note • An FE indicates a framing error.
An OE indicates an overrun error.
An PE indicates a parity error.
An NE indicates noise.
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