--- /dev/null	2020-06-10 12:30:14.000000000 -0700
+++ new/test/jdk/java/awt/print/PrinterJob/AlphaPrintTest.java	2020-06-10 12:30:09.936580000 -0700
@@ -0,0 +1,199 @@
+/*
+ * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8240654
+ * @summary Test printing alpha colors - banded printing works with ZGC.
+ * @key headful
+ * @requires (os.family == "windows")
+ * @run main/manual/othervm -XX:+UseZGC -Dsun.java2d.d3d=false AlphaPrintTest
+ */
+
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Frame;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.GridLayout;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import java.awt.print.PageFormat;
+import java.awt.print.Printable;
+import java.awt.print.PrinterException;
+import java.awt.print.PrinterJob;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.JTextArea;
+import javax.swing.SwingUtilities;
+import javax.swing.WindowConstants;
+
+public class AlphaPrintTest extends JPanel implements Printable {
+
+    static final int W=400, H=600;
+
+    static volatile JFrame frame = null;
+    static volatile AlphaPrintTest comp = null;
+    static Color color = Color.red;
+    static volatile boolean passed = false;
+    static volatile boolean printInvoked = false;
+    static volatile boolean done = false;
+
+    public static void main(String[] args) throws Exception {
+
+        SwingUtilities.invokeAndWait(() -> {
+            frame = new JFrame("Alpha Color Print Test");
+            frame.setLayout(new GridLayout(1, 2));
+            frame.add(comp = new AlphaPrintTest());
+            frame.add(new InstructionPanel());
+            frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+            frame.pack();
+            frame.setVisible(true);
+        });
+
+        while (!done || !printInvoked) {
+            Thread.sleep(1000);
+        }
+
+        SwingUtilities.invokeAndWait(() -> frame.dispose());
+
+        if (!passed) {
+            throw new RuntimeException("Test failed.");
+        }
+    }
+
+    @Override
+    public Dimension getPreferredSize() {
+        return new Dimension(W, H);
+    }
+
+    
+    @Override
+    public Dimension getMinimumSize() {
+        return getPreferredSize();
+    }
+
+    @Override
+    protected void paintComponent(Graphics g) {
+        super.paintComponent(g);
+        paintContent(g);
+    };
+
+    private void paintContent(Graphics g) {
+        Color c = new Color(255, 0, 0, 240); // not a solid color.
+        g.setColor(c);
+        g.drawLine(0, 0, W, H);
+        g.drawLine(W, 0, 0, H);
+        
+        for (int i=10; i < 150; i+=10) {
+            g.drawRect(i, i, W-(i*2), H-(i*2));
+        }
+        g.drawString("Alpha Paint Test", W/2-30, H/2);
+    }
+
+    public int print(Graphics g, PageFormat pf, int pageIndex) {
+        if (pageIndex == 0) {
+            Graphics2D g2d = (Graphics2D)g;
+            g2d.translate(pf.getImageableX(), pf.getImageableY());
+            paintContent(g);
+            return Printable.PAGE_EXISTS;
+        }
+        return Printable.NO_SUCH_PAGE;
+    }
+
+    public void doPrint() {
+        printInvoked = true;
+        PrinterJob pj = PrinterJob.getPrinterJob();
+        pj.setPrintable(this);
+        if (pj.printDialog()) {
+            try {
+                pj.print();
+            } catch (PrinterException e) {
+                e.printStackTrace();
+                done = true;
+            }
+        }
+    }
+
+    public void doClose(boolean pass) {
+        if (printInvoked) {
+            passed = pass;
+            done = true;
+        }
+    }
+}
+
+class  InstructionPanel extends JPanel implements ActionListener {
+
+    static final String INSTRUCTIONS =
+            "You must have a printer to peform this test.\n" +
+                    "Press the print button which will bring up a print dialog." +
+                    "Select a suitable printer, and confirm to print. " +
+                    "Examine the printed output. It should closely resemble the rendering in" +
+                    " the panel to the left. If yes, press PASS, else press FAIL";
+
+    InstructionPanel() {
+        GridLayout gl1 = new GridLayout(2, 1);
+        setLayout(gl1);
+        JTextArea ta = new JTextArea(INSTRUCTIONS);
+        ta.setEditable(false);
+        ta.setLineWrap(true);
+        ta.setWrapStyleWord(true);
+        add(ta);
+        JPanel p = new JPanel();
+        JButton print = new JButton("Print");
+        JButton pass = new JButton("PASS");
+        JButton fail = new JButton("FAIL");
+        print.addActionListener(this);
+        pass.addActionListener(this);
+        fail.addActionListener(this);
+        p.add(print);
+        p.add(pass);
+        p.add(fail);
+        add(p);
+    }
+    @Override
+    public Dimension getPreferredSize() {
+        return new Dimension(200, 600);
+    }
+
+
+    @Override
+    public Dimension getMinimumSize() {
+        return getPreferredSize();
+    }
+    public void actionPerformed(ActionEvent e) {
+        String cmd = e.getActionCommand();
+        switch (cmd) {
+            case "Print" -> AlphaPrintTest.comp.doPrint();
+            case "PASS" -> AlphaPrintTest.comp.doClose(true);
+            case "FAIL" -> AlphaPrintTest.comp.doClose(false);
+        }
+
+    }
+
+}