3. For On-Site Engineers, hold the Up and OK keys down and turn the printer on using the Power
key. Wait until you hear one beep (usually after 5 seconds) before releasing all three keys.
4. Once inside the Service Tests Menu, use the arrow keys to scroll through the Service Tests
selections. Press the OK key to begin a specific test when the required Service Test is highlighted.
NOTE: The Service Tests work in a special mode that does not require full initialization of the
printer. Therefore, once you have finished with the Service Tests, you must power off the printer
and power on again before trying to print.
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.
If the printer hangs up during a test, switch the printer off and restart from step 1.
Scan Axis test
The purpose of this test is to diagnose a failure in the operation of components related to the Scan Axis.
Perform the Scan Axis test as follows:
1. In the Diagnostics submenu, select Scan Axis and press OK.
The diagnostic starts checking the Scan Axis motor; the front panel announces the current activity.
NOTE: The Carriage may move repeatedly during the tests.
2. Depending on the results of the tests, you may be asked to open the Window, close the Window,
or move the Carriage manually. Follow the instructions on the front panel.
CAUTION: The Carriage should move easily, without resistance. If you feel resistance, do not
try to force it: you may damage something.
3. When the tests are successfully completed, the following message is displayed.
4. Press OK to return to the menu.
Paper Drive test
The purpose of this test is to diagnose a failure in the operation of components related to the Paper
Axis.
92 Chapter 5 Service tests and utilities ENWW
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