5-1
5. CARE AND MAINTAINANCE
5.1 NI-MH BATTERY MAINTAINANCE
NI-MH batteries have a high self-discharge rate. It is therefore recommended to complete a full charge cycle
at least once a week. If the batteries become discharged to the point the unit will no longer turn on under
battery power, complete a full recharge cycle by plugging the unit in and leaving it plugged in for 3 hours. The
Battery Information screen (shown below) will display the batteries’ charge and voltage information. It can be
viewed from the Main Menu and pressing “ESC” on the keypad will return the user back to the Main Menu
screen.
FIGURE 56: Battery Info Screen
5.2 CLEANING
Only the outer surfaces of the case and the front panel of the unit should need cleaning. Use a damp cloth
with glass cleaner to wipe clean the front panel surfaces. Take care not to allow cleaning fluid or fluids of any
kind to enter through the crevasses of the front panel (ports and connection terminals). The front panel
should not need removed under normal circumstances. Do not attempt to vacuum the main chassis.
5.3 PRINTER MAINTENANCE
5.3.1 Power On Self-Test
The self-test procedure is initiated by supplying power to the printer while the paper feed button is depressed.
When the paper feed button is released a test print will be produced.
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