Cembre MG3A Operation And Maintenance Manual page 11

MG3 is equipped with self-diagnostics which notify the user in the event of certain 'fault' situations by means of a combination of
flashing LEDs and an audible alarm.
Alarm indications
GREEN LED (1): remains lit when MG3 is ON and ready for use.
This LED blinks when the print head malfunctions or is disconnected or damaged.
YELLOW LED (2): blinks during the print cycle process with the relative movement of the carriage.
ORANGE LED (3): mainly signals MG3 errors or failures, the nature of which are identified by the number of LED
blinks and audible beeps, as follows:
N° OF
BLINKS / BEEPS
1
Printer ribbon not present
3
Print head not lowered
4
Print head not raised
Carriage not in correct starting position or
5
out of position
Carriage not moving correctly or in wrong
6
position
System software or printer driver
8...11
malfunction
12.....
MG3 electronic controller malfunction
BLUE BUTTON (4): authorised user only TEST mode, accessed by pressing BLUE BUTTON (4) for more than 6 seconds during the
initial start up cycle, is indicated by the YELLOW and ORANGE LEDs blinking simultaneously.
Inadvertent access may be cancelled by switching MG3 OFF and then ON again after a few seconds.
7. TROUBLESHOOTING
FAULT DESCRIPTION POSSIBLE SOLUTION
Check condition of the ribbon and that it threaded
correctly.
Switch MG3 OFF and then ON again after a few
seconds.
Switch MG3 OFF and then ON again after a few seconds.
Press the BLUE button (4) to move the carriage and ensure it
is operating correctly.
Switch MG3 OFF and then ON again after a few seconds.
Press the BLUE button (4) to move the carriage and ensure it is
operating correctly.
Switch MG3 OFF and then ON again after a few seconds.
Press the BLUE button (4) to move the carriage and ensure it is
operating correctly.
Remove any obstacles preventing full movement of the
carriage.
Switch MG3 OFF and then ON again after a few seconds.
Press the BLUE button (4) to move the carriage and ensure it
is operating correctly.
Check the printer driver and system default settings are cor-
rect. Switch MG3 OFF and then ON again after a few seconds
Switch MG3 OFF and then ON again after a few seconds
If the problem persists please contact CEMBRE,
see section 7
. 11 .