Print a self-test page
1. Make sure the printer is on and loaded with unused, plain, white paper.
2. Press the * and # keys at the same time and then press 1, 2, and 7 .
3. Press the Right-arrow key to select Reports and then press the OK .
4. Press the Left-arrow key and select the vpp self test . The test page prints.
That will help narrow down the problem. If it prints black on the test page, we know it is something to do with the software.