diff -Naur rxtx-2.2pre2.orig/src/gnu/io/LPRPort.java rxtx-2.2pre2/src/gnu/io/LPRPort.java
--- rxtx-2.2pre2.orig/src/gnu/io/LPRPort.java	2007-04-26 07:26:05.000000000 +0200
+++ rxtx-2.2pre2/src/gnu/io/LPRPort.java	2020-05-28 10:20:22.755141415 +0200
@@ -370,7 +370,7 @@
 		public void run()
 		{
 			eventLoop();
-			yield();
+			Thread.yield();
 		}
 	}
 }