The coverslips are not properly positioned – what can I do? FAQ Report A: The coverslip laydown position needs to be optimized Go to the corresponding menu - see section 9.3.1 of the Operator's Manual for details. If the coverslips are still not positioned correctly, after the adjustment has been completed, the coverslip position may need to be optimized laterally. This type of adjustment can only be carried out by a Leica service representative.