ZD620 and ZD420 Desktop Printers User Guide

Battery Indicators and Controls

The optional printer battery accessory has a simple, one button, four-LED indicator user interface to control and display battery status and health. The battery acts as an uninterruptible power supply (UPS) for the printer.

For more information on using the battery with your printer and power saving modes (Sleep, Shutdown, etc.), see Printing with the Attached Battery Base and Battery Option.

The battery indicators are located on the rear of the battery (A).

1	Battery Control button
2	Battery health indicator
3	Battery charge level indicator

Battery Indicators and Controls
Icon	Button/Indicator	Descriptions
	Battery Control button—The button helps you control the battery, both inside and outside of the printer.	Pressing and releasing this button when the battery is on does the following: Wakes up (activates power) the battery from Sleep mode or Shutdown mode. The battery health and charge status are checked. The battery indicators all flash on and off together three times. You have one minute to turn printer power on before the battery reverts to a prior Sleep mode or Shutdown mode. The battery displays the battery level charge in the first 10 seconds after internal battery health checks are complete To make the printer enter shutdown mode, press and hold Battery Control for 10–11 seconds and release. The battery starts shutting down. Approximately three seconds later, all battery LEDs flash three times to let you know the battery has shut down.
	Battery Health indicator—Displays the battery’s charging status and health of the battery.	Green—Good health, charge complete and ready to operate. Amber—Charging (printer is OFF). Red—Battery has an internal error. Remove the battery and see Troubleshooting. Flashing red—Charging error - over or under temperature, internal monitoring error, etc.
	Battery Charge Level indicator—Displays the battery’s charging status and health of the battery	Three green bars on, no flashes—The battery is fully charged. (The battery will not start charging.) Two green bars on with the top bar flashing—The battery is at less than full charge. One green bar flash—It is time to charge your battery! No bars on—The battery needs charging, but the Battery Health indicator flashes when the Battery Control button is pressed. The printer cannot be turned on. Amber—The battery is charging.