APEX 4 User’s Guide
Rev 1.0
21
4.2.1 Important Notes on Charging Batteries
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The model APEX 4 printers require an adaptor output of 10VDC/1.32A.
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The battery Fast-Charge is initiated each time the power adapter is connected to the printer
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The fast-charge controller checks the battery’s voltage and temperature before the start of
the fast recharge process. If the battery voltage or the temperature is outside of the fast-
charge limits, the charger defaults to trickle charge at C/10 or 70 mA rate
•
Optional external battery chargers are available for Extech batteries. Refer to
Section 4.7
“Printer Supplies” for detailed information.
4.2.2 Important Notes on Replacing Batteries
•
Replace battery every 15 – 18 months or as directed by your IT department. Check for the
correct Extech part number for the battery and only user that part for your new battery. See
Section 4.7
for printer supplies.
Risk of explosion if battery is replaced by an incorrect type
Dispose of used batteries according to instructions in
Section 4.5
4.3 Verifying Battery Charge State
We strongly recommend testing your printer before returning it to Extech. Follow these steps to
identify and correct any battery power problem that may be encountered. These will help to
identify that the fault is with the printer and not some other part of your system.
To test the AC adaptor:
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Use a multi meter and measure the output voltage. Output should be 10VDC.
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Press the <ON/OFF> switch and wait until all LED’s are off.
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Insert the AC adaptor plug into the printer. If the amber LED goes on, the battery is not
fully charged but the charge circuit is functioning.
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The AC power portion of the circuit appears ok.
