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Chapter 2: Printer Status, Ethernet and Indicators6
A776 (B780) Programming Guide A776-PG00001 C 12/09
Indicators
The printer communicates various conditions both visually, with two green lights or audibly,
with a series of tones or beeps. The following table lists these indicators.
Green on-line, paper status,error light (to the rear of the paper feed button)
Indicator Sequence Condition
Light Continuous, ashing quickly Paper out
Cover open
Knife unable to home
Light Continuous, ashing slowly Paper is low
(if paper low sensor is installed)
Printhead too hot
Voltages out of range
Tone Two-tone beep Startup diagnostics completed successfully
Repeating Tone Single beep Boot CRC test failure
Repeating Tone Double beep SRAM test failure
Repeating Tone Triple beep EEPROM test failure
Repeating Tone Four beeps Dynamic memory initialization failure
Light Two-Tone beep Main program CRC test failure
and Tone Or
Continuous ashing of light DIP switch is in on position indicating
ash download mode
Green slip-in light (in front of the paper feed button)
Indicator Sequence Condition
Light O No check or form inserted or are incorrectly inserted
Light On (continuous) Check or form properly inserted
For more information about See this section
Error conditions and Troubleshooting
correcting them Chapter 5 of the User Guide
The printer is also able to communicate its status to the host application if the application has been programmed to
receive this information.