3. When prompted by the front panel, open the Window, open the Carriage Cover and remove all
printheads from the Carriage. Then close the Carriage Cover and the Window and press OK.
If a printhead remains in the carriage after you press OK, you are reminded to remove it.
If you are sure that all printheads were removed before this message appeared, press Cancel; the test
ends and a system error message is displayed.
4. When the printheads have been removed, some additional parameters are checked, and their values
and/or ranges are displayed.
5. The front panel prompts you to put a sheet of blank paper under the Carriage, which is already in the
middle of the platen, to perform the LED and sensor checks. The paper should be large enough to cover
the whole Carriage area. Press OK to continue.
6. The diagnostic checks the Carriage LEDs and sensors, which can take a few minutes. When the checks
are done, the front panel prompts you to remove the paper from under the Carriage.
88 Chapter 5 Service tests and utilities ENWW
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