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ZQ500 Series User Guide
The smart battery’s health has three states: GOOD, REPLACE,
and POOR. The battery health factor determines whether or not
the printer can operate and what is communicated to the user via
the display.
# of Charge Cycles Health Power-up Message
<300 GOOD None
>300 but <550 REPLACE “Battery Diminished
Consider Replacing” *
>550 but <600 REPLACE “Warning-Battery
is Past its Useful Life” **
>600 POOR “Replace Battery
Shutting Down” ***
* Warning accompanied by three beeps in rapid succession.
** Warning accompanied by a series of three double beeps in
rapid succession.
*** Warning will flash on and off and be accompanied by
beeping at a rate of once per second. After 30 seconds the
printer will shut down.
Printing Technology
The ZQ500 Series printers use the Direct Thermal method to
print human readable text, graphics and barcodes. It incorporates
a sophisticated print engine for optimal printing under all opera-
tional conditions.
Direct Thermal
Direct thermal printing uses heat to cause a chemical reac-
tion on specially treated media. This reaction creates a dark mark
wherever a heated element on the printhead comes in contact
with the media. Since the printing elements are arranged very
densely at 203 d.p.i. (dots per inch) horizontal and 200 d.p.i. ver-
tical, highly legible characters and graphic elements may be
created a row at a time as the media is advanced past the print-
head. This technology has the advantage of simplicity, as there
is no requirement for consumable supplies such as ink or ton-
er. However, since the media is sensitive to heat, it will gradually
loose legibility over long periods of time, especially if exposed to
environments with relatively high temperatures.
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