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Corrective Maintenance
Main Logic Board
8/9/07 ZM400/ZM600 Maintenance Manual 14207L-001 A
9. Press (–) or (+) until LOAD DEFAULTS is displayed. Press SETUP/EXIT.
This resets all settings to the factory default.
10. Turn off (O) the printer.
Check Hardware ID and Firmware Version
1. See Figure 262. Print a configuration label.
a. Press and hold
CANCEL while turning on (l) the printer.
b. Release
CANCEL after the DATA light turns off (approximately five seconds).
Figure 262 • Configuration Label
2. If you printed a configuration label at the beginning of these kit instructions, compare the
configuration label you just printed to that one.
3. Reconfigure the printer using your User Guide.
Important • When the front panel is unable to communicate with the MLB, it will display
"Internal Printer Error, Please contact your Zebra Service Representative". The
troubleshooting section of the maintenance manual should detail what conditions would
cause the front panel to display this message. Possibilities include but are not limited to
the cable between the MLB and the front panel not being connected properly or the MLB
not having a valid bootblock or firmware