Service Tests and Utilities

5Use the Arrow keys to scroll through the “Service Utilities” selections and press the OK key to begin a specific operation when the required Service Utility is highlighted.

If the printer is not used for 135 seconds, the printer exits out of the Service Utilities Menu and you must repeat the above steps to enter Service Utilities again.

In some cases a quick press of a button may not be recognized by the Printer. When pressing a button, be sure to press it deliberately and all the way to the bottom of its travel.

1. Test Messages

Use the Test Messages service test to get instructions for accessing diagnostic mode. These instructions can also be found in this chapter. Using the Front Panel on page 3-5.

You can also use this test to verify the functionality of the Front Panel after replacing the Front Panel or Front Panel cable.

1In the Service Tests submenu, scroll to "Test Messages" and press OK.

2The Front Panel displays instructions for accessing diagnostic mode. These instructions can also be found in this chapter. Using the Front Panel on page 3-5.

2. I/O Tests

This test is not applicable to the T610 printer.

The I/O Tests service test checks the network interface functionality of the

Formatter.

Perform this test after replacing the Formatter.

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HP Designjet T Series — Service Manual