Chapter 2: Diagnostics and Conguration14 Revision D 12/09
A799-PG00001D
Indicators
The printer communicates various conditions both visually, with the green LED or audibly, with a series of tones or beeps.
The following table lists these indicators.
Indicator Sequence Condition
LED Continuous, ashing quickly Paper out
Cover o
Knife unable to home
LED Continuous, ashing slowly Paper is low
(if paper low sensor is installed)
Printhead too hot
Voltages out of range
Tone Two-tone beep Start-up diagnostics completed successfully
(low frequency, high frequency)
LED Single beep Boot CRC test failure
and Tone Single LED ash
LED Double beep SRAM test failure
and Tone Double LED ash
LED Triple beep EEPROM test failure
and Tone Triple LED ash
LED Four beeps Dynamic memory initialization failure
and Tone Four LED ash
LED Two-Tone beep Main program CRC test failure
and Tone (high frequency, low frequency) Or
Continuous ashing of LED DIP switch is in on position indicating
ash download mode
The printer is also able to communicate its status to the host application if the application has been programmed to receive
this information
For more information about See this section
Error conditions and correcting them “ Troubleshooting the printer” on page 30, Chapter 4:
Using the Printer, in the A799 User Guide
Communication of printer status to the host application “Command descriptions” in Chapter 4: Programming
commands, Status sections.
