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M84Pro Service Manual PN: 9001111A Page 6-1
6
TROUBLESHOOTING
ERROR SIGNALS
The LED display, Front Panel LED Indicators and Buzzer provide a visual and audio indication of
the type of error encountered. Find the correct symptom in the table below to reference the
correct response.
LED LCD MESSAGE BEEP ERROR CONDITION TO CLEAR
Error on Machine error 1 long Machine Error Cycle power on/off.
Error on EEPROM error 1 long EEPROM read/write error Cycle power on/off.
Error on Head error 1 long Print Head is damaged Replace print head.
Cycle power.
Error on Sensor error 3 short Sensor Cycle power on/off.
Error blinks Card r/w error 1 long Memory card read/write Format card and cycle
power.
Error blinks Card low Battery 1 long Memory card battery low Replace battery and
cycle power.
Error blinks Head Open 3 short Head open Latch print head.
Error on Line
blinks
Parity Error 3 short RS232 parity error Match parity to system.
Error on Line
blinks
Overrun Error 3 short RS232 overrun error Verify RS232 settings.
Error on Line
blinks
Framing Error 3 short RS232 framing error Verify RS232 settings
Error on Line
blinks
Buffer Over 3 short Buffer overflow Verify RS232 settings.
Error on Line
blinks
Paper End 3 short Media end or misselected
media type.
Replenish media, select
correct media, open/
close head lever, open/
close media hold down
Error blinks
Ribbon on
Ribbon End 3 short Ribbon end or ribbon broken. Replace ribbon. Open/
Close Head Lever.
Open/Close Media Hold
Down
Error blinks,
Label blinks
Media Error 3 short Media error Open/Close head lever.
Ribbon blinks None Ribbon near end. Replace ribbon with full
roll.
Line blinks None Buffer near full Slow down transmission
rate.