The Pronto is able to print an internal Test Card independently of it’s Host Computer.  This function is useful test to check the Printer is working correctly without involving any Computer software or Printer Driver settings.

To print the internal test card

1. Press the Pronto’s front panel switch twice (quickly in succession).
2. The colour of the front panel switch should change from green to yellow.
3. After a short delay (whilst downloading the Test Card image), the Pronto’s Rollers should start to turn.
4. At this point a Card should be fed into the Printer’s front panel card feed  slot.

The result should be the Test image shown below:
(please do excuse my poor quality scan)