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Maintenance
Other Printer Maintenance
There are no user level maintenance procedures beyond those detailed in this section.
See the Troubleshooting for more information on diagnosing printer and print problems.
RTC Battery
The Real Time Clock (RTC) is included with ZD620 and ZD420 Ribbon Cartridge printers.
Some other ZD420 printer’s may also include this option.
The clock’s battery is rated to provide approximately ten (10) years of service and is not
user replaceable. See a Zebra authorized service technician to replace the battery. See
the warranty for your printer for more details at the Zebra Web site:
www.zebra.com/warranty
Caution • The printer has a three volt lithium battery. You can discern a low or flat battery
if the printer provides a consistently delayed date stamp. Battery replacement must be
performed by a qualified service technician. Only use a Zebra approved replacement
battery.
Important • Recycle batteries according to local your guidelines and regulations. Wrap the
battery when disposing (or storing) to avoid a short circuit.
Caution • DO NOT short circuit the battery. Short circuiting the battery may result in heat
generation, fire or bursting.
Caution • DO NOT heat, disassemble or dispose of battery in fire.
Fuses
There are no replaceable fuses in ZD-Series printers or power supplies.