15
2.2.6.5.2 Printer Diagnostics
LED state
Description
Steady Flash (once per second)
Normal operation
Off
No power. Check that the ribbon cable connecting the
printer to the display has been fitted.
Rapid Flash
(Four times per sec)
Printer not ready. Check: -
Paper roll inserted
Paper holder door fully closed
Battery pack not connected
Battery flat (see notes on power supply)
2.2.6.5.3 Changing the Paper Roll
The printer mechanism is a simple clamshell
design.
Open the printer cover and remove the existing
paper roll.
Pull off a length of paper and insert the roll as
shown opposite.
Close the cover ensuring that it is snapped shut.
Perform a Test Print to ensure that the printer is
fully working.