User guide

A795 User Guide: Programming Supplement

Chapter 2: Diagnostics and Configuration

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, flashing quickly Paper out

Cover off

Knife unable to home

LED Continuous, flashing 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

(low frequency, high frequency)

LED Single beep Boot CRC test failure

and Tone Single LED flash

LED Double beep SRAM test failure

and Tone Double LED flash

LED Triple beep EEPROM test failure

and Tone Triple LED flash

LED Four beeps Dynamic memory initialization failure

and Tone Four LED flash

LED Two-Tone beep Main program CRC test failure

and Tone (high frequency, low frequency) Or

Continuous flashing of LED DIP switch is in on position indicating

flash download mode

For more information about See this section

Error conditions and “ Troubleshooting the

correcting them printer” in Chapter 4: Using

thr Printer, in the A795 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.

For more information about See this section

Communication of printer “Command descriptions”

status to host application in Chapter 4: Programming

(commands section)