TROUBLESHOOTING
160 77144 Issue 8 August 2009
Unable to exit from
particular function or
menu icon
Incorrect key being pressed Refer to “Control Unit
keypad Layout” (on page
53 onward) for the
correct keystroke
System has stopped
responding
Reboot the unit, if the
problem still persists,
contact Domino for
service
LCD screen too dim to
read
Cover screen is scratched or
dirty
Clean control unit with
Domino cleaning solution
Problem with LCD screen Contact Domino for
service
Sensor misses item
when counting
Sensor lens dirty Clean lens with Domino
cleaning agent
Print surface too far away Use external sensor or use
guidance rails on conveyor
Print surfaces bunching up
on the conveyor
Ensure there is a big
enough gap between
surfaces
Sensor activates when
no items are passing
Sensor is triggered by
excessive movement, bright
flashing lights or direct
sunlight.
Relocate the unit to an
area with less activity and
flashing lights
Sensor causes printing
more than once on the
same item
Sensor detecting holes or
black areas on the print
surface
Use an external sensor
positioned to avoid the
effected areas
Problem Possible Cause Possible Solution
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