Zebra QLn420 User's Guide download pdf (Page 52)

QLn Series User Guide

Preventive Maintenance

Extending Battery Life

• Never expose the battery to direct sunlight or tempera-

tures over 104° F (40° C).

• Always use a Zebra charger designed specifically for Lithium-Ion

batteries. Use of any other kind of charger may damage the bat-

tery.

• Use the correct media for your printing requirements. An

authorized Zebra re-seller can help you determine the op-

timum media for your application.

• If you print the same text or graphic on every label, con-

sider using a pre-printed label.

• Choose the correct print darkness, and print speed for

your media.

• Use software handshaking (XON/XOFF) whenever possi-

ble.

• Remove the battery if the printer won’t be used for a day or more

and you’re not performing a maintenance charge.

• Consider purchasing an extra battery.

• Remember that any rechargeable battery will lose its

ability to maintain a charge over time. It can only be re-

charged a finite number of times before it must be re-

placed. Always dispose of batteries properly. Refer to

Appendix E for more information on battery disposal.

General Cleaning Instructions

Caution • Avoid possible personal injury or damage to

the printer: never

insert any pointed or sharp objects into the printer.

Always turn the printer o before performing any cleaning

procedures.

Use care when working near the tear bar. The edges are very sharp.

Caution • The printhead can be very hot after prolonged printing.

Allow it to cool o before attempting any cleaning procedures.

Only use the cleaning pen supplied with the printer or a cotton swab

saturated with alcohol for cleaning the printhead.

Caution • Use only cleaning agents specied in the following tables.

Zebra Technologies Corporation will not be responsible for damage

caused by any other cleaning materials used on this printer.

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Zebra QLn420 User's Guide Page 52