Specifications

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Check battery contacts and keep clean of corrosion and grime. Clean contacts with 90%
isopropyl alcohol and a cotton swab.
Batteries should be completely discharged once per week. To discharge, run the printer
until you get a battery under voltage—level 1 indication (Error LED off and Power LED
flashing). Follow the procedures in Charge Battery on page 2-3 for recharging the battery.
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Figure 4-1. Clean Head-Open Sensor
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Head-Open Sensor Plate
Press
Down
Clean under screw.