A: The nozzle type is not right for the medium dispensed (viscosity of mounting medium either too low or too high for the nozzle type used)
Try another nozzle type.
A: Nozzle is off center
Visually check if medium is applied right along the center of the slide. If this is not the case, ask your Leica service engineer to re-adjust the nozzle.
A: Nozzle is partially blocked with dried medium
See Release the nozzle as described in the operator’s manual, clean it (needle) and thoroughly soak/rinse it in xylene for a few hours.
A: Suction cups dirty, faulty or deformed
Check the integrity and cleanliness of the suction cups. If necessary, clean suction cups with a tissue moistened with xylene and dry them for approx. 1 hour before re-installing.
A: Medium volume setting possibly incorrect
Increase/decrease the volume and run a few samples for checking.
A:Nozzle height is incorrect
Check the nozzle height – there must be a 0.8 mm gap between the nozzle and the slide surface.
A:Working pressure (on the media bottle) is not kept constant
This can only be checked by a Leica Service engineer!
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