103
④After making sure the SPAN value press (or )
to get back to SPAN test mode and press again
to go to next Display test mode. Then test display
automatically by pressing .
⑤Press go to next Keyboard test mode. In this
mode user may press any key and a specific number
(ex. 104 ) comes up on total price display (first
line of display) except because is used for
exit out of current mode.
⑥Press to go to RAM test mode. Then press
to test.Display will show either "PASS" or "Error"
in a few second. Please refer to "Table 15:Error
Messages" on page 115 when "Error" comes up.
⑦Press to go to Printer self-test mode.
Then, press to test the printer and show
current voltage on the display.
PROGRAM MODE
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