diff --git a/pretixprint/app/src/main/java/eu/pretix/pretixprint/byteprotocols/ESCLabel.kt b/pretixprint/app/src/main/java/eu/pretix/pretixprint/byteprotocols/ESCLabel.kt
index 53a60cf0..29853ec4 100644
--- a/pretixprint/app/src/main/java/eu/pretix/pretixprint/byteprotocols/ESCLabel.kt
+++ b/pretixprint/app/src/main/java/eu/pretix/pretixprint/byteprotocols/ESCLabel.kt
@@ -11,6 +11,7 @@ import java8.util.concurrent.CompletableFuture
 import java.io.ByteArrayOutputStream
 import java.io.InputStream
 import java.io.OutputStream
+import java.util.UUID
 import java.util.concurrent.TimeUnit
 
 
@@ -48,25 +49,31 @@ class ESCLabel : StreamByteProtocol<Bitmap> {
         //
         // Command notes:
         // ~DY: Store file to printer memory
-        //      Contrary to the documentation, the file name should also contain the extension
-
-        // Delete all files volatile memory
-        ostream.write("^XA^IDR:*.*^FS^XZ".toByteArray())
+        //      Contrary to the documentation, the file name should also contain the extension.
+        //      Diverging from the sample in the documentation, we are also naming each file
+        //      explicitly, so that we can delete it rather than issue a "delete everything" command
+        // ~ID: Delete file or files from printer memory
+        //      As confirmed by Ivar, the delete operations take for bloody ever and slow down the
+        //      printer a lot. As such, we diverge from the official documentation/sample and only
+        //      delete the printed file at the end of the job. Should too many prints fail and clog
+        //      up the volatile memory, the user will have manually clear the memory from the
+        //      printer's menu.
 
         // Register image in printer in volatile memory as a PNG
         val stream = ByteArrayOutputStream()
         img.compress(Bitmap.CompressFormat.PNG, 100, stream)
-        ostream.write("~DYR:IMAGE.PNG,B,P,${stream.size()},0,".toByteArray())
+        val filename = UUID.randomUUID().toString().replace("-", "").take(8).uppercase()
+        ostream.write("~DYR:${filename}.PNG,B,P,${stream.size()},0,".toByteArray())
         stream.writeTo(ostream)
         img.recycle()
 
         // Create label and print previously transferred image
         ostream.write("^XA".toByteArray())
-        ostream.write("^ILR:IMAGE.PNG^FS".toByteArray())
+        ostream.write("^ILR:${filename}.PNG^FS".toByteArray())
         ostream.write("^XZ".toByteArray())
 
         // Delete the image from the printer again
-        ostream.write("^XA^IDR:*.*^FS^XZ".toByteArray())
+        ostream.write("^XA^IDR:${filename}.PNG^FS^XZ".toByteArray())
 
         ostream.flush()
         return ostream.toByteArray()