Paxar Mobile Work Station (MWS) Monarch 9876 - Manual (Page 22)

Check the wiring for your batteries and charger.
Make sure the ground wire is attached using one M5 screw with two M4 nuts
and M4 washers as shown.
Keep the Mobile Work Station’s power switch ON when
continuously operating the MWS and/or printer(s). If the
MWS will be unused for extended periods of time, turn
OFF the Mobile Work Station’s power switch.
The MWS’ power switch controls the power to all printers. If using more
than one printer on the MWS, manually turn OFF each printer’s
power switch.
4-2 Power Options
Ground Wires
Battery
Strap
Battery
Support