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To test the AC adaptor use a multi-meter and measure the output. Output
should be 10V.
1.
Press the <OFF> switch and wait until all LED’s are off.
2. 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.
The AC power portion of the circuit appears ok
3.
Press and hold the <FEED> switch, then press and release the <ON>
switch and <FEED> switch.
4.
The printer will print a “self test” receipt as illustrated.
If the selfl-
test receipt is printed, the DC power is ok
5.
Press <OFF> and wait until all the LED’s are off.
6.
Plug the AC adaptor into the printer. Press <ON>; the green LED is
illuminated and after 20 seconds the LED should go off.
If the amber LED is on, this will continue on through this test indicating that
the battery is accepting a charge and that the charge circuit is ok. At the end of
a 90 minute charge cycle the LED will go off.
