Patent ID: 8540947

Claim:
A method for operating a staining device ( 20 ), comprising the steps of: providing a first container ( 22 ) filled with a first process medium ( 23 ) and at least one second container ( 24 ) filled with a second process medium ( 25 ); immersing samples ( 26 ) to be stained in the first process medium ( 23 ); determining a speed representative of how fast the samples ( 26 ) are to be withdrawn from the first process medium ( 23 ) according to the first process medium ( 23 ) and/or according to the samples ( 26 ), wherein the determined speed is determined using an assignment rule in which each process medium ( 23 ), each sample ( 26 ), and/or each combination of process medium ( 23 ) and sample ( 26 ) is assigned at least one speed; and withdrawing the samples ( 26 ) from the first process medium ( 23 ) at the determined speed.