Green LED, quick steady flashing
Firmware CorruptPut printer in BOOT MODE and load the correct firmware (Flash then Boot)A758/A760: Put switch 1 in the up postion and power cycle the printer
Downloads for A799A794/A795/A776/B780: Put switch 1 in the down position and power cycle the printer
Downloads for A799 Knife unable to homeOpen cover and clear paper if jammed.Stop using the printer and contact your authorized service representative.
Paper outLoad a new paper rollChapter 3: Setting up the Printer,"Load or change the receipt paper"
Downloads for A799 Printer is in boot modeBe sure switch 1 on the back of the printer is in the PROPER positionA758/A760: Normal operating condition switch 1 in the down position
Downloads for A799A794/A795/A776/B780: Normal operating condition switch 1 in the up postion
Downloads for A799 Receipt cover openClose the cover
Green LED, slow steady flashing
Paper is low (if paper low sensor is installed)Load a new paper roll. If this does not stop flashing, contact your authorized service representative.Chapter 3: Setting up the Printer, "Load or change the receipt paper"
Downloads for A799 LED blinks in a pattern continuously
Defective printerStop using the printer and contact your authorized service representative.
LED is flashing slowly, indicating paper low even though there is a full roll of paper
Paper low setting is enabled.Printer has no paper low sensor, need to disable paper low in the printer configurationUse Printer Configuration Utility to disable paper low. See "Configuring the Printer."
Downloads for A799 Printer beeps (two-tone—low frequency, high frequency)
Printer has been turned on and is ready to operate No action is required
Printer beeps and flashes green LED in various combinations
These all indicate serious conditionsStop using the printer and contact your authorized service representative.
Printer beeps during normal operation
The printer may be programmed to beep by the software application used on the host computer.Consult your application software manual.
Printer beeps in a single, double, or triple pattern at first power on. The on-line paper status error light blinks in the same pattern, and the printer won't power up.
The printer has a problem with its electronics.Contact a service representative.
Printer Beeps several times then stops
Defective printerStop using the printer and contact your authorized service representative.
Printer emits low tone beep when powered
Printer is in auto baud modePlug in RS232 cable and send data to the printer, what ever the application is set to, the printer will connect (this may take several attempts)
Printer in continuous reset with 3 tone beep
Wrong firmware loadedPut printer into boot modeLoad correct Flash then Boot
Downloads for A799