Xerox WorkCentre 3210 Service Manual page 138

General Troubleshooting
ROM Test
Pattern Test
4-8
This tests the printer's ROM. If successful, the software version appears on
the display.
This test prints one or all of the test patterns stored in ROM. These are used
to evaluate printer performance and operation. Refer to "Test Prints" on
page 5-35 for test print descriptions.
WorkCentre 3210/3220 Multifunction Printer Service Manual