7. When you see the message below, open the Window, open the Carriage Cover and re-insert all the
printheads. Then close the Carriage Cover and the Window, and press OK.
If a printhead has not been correctly inserted, the front panel reminds you to insert it.
If you are sure that all printheads were correctly inserted before this message was displayed, press
Cancel; the test ends and a system error message is displayed.
8. When the printheads have been inserted, some further checks are made. When the tests are completed,
the following message is displayed.
9. Press OK to return to the menu.
IDS tests
The purpose of these tests is to check the operation of the Ink Delivery System.
To start the Ink Delivery System tests, scroll to IDS and press OK.
The test consists of a series of subtests as described below.
Air pressure system
The purpose of this test is to check the operation of the Air Pressurization System (APS). You should perform
this test before replacing the APS; if it passes the test, you do not need to replace it.
1. Select Air pressure system from the Ink Delivery System Test menu.
2. The front panel asks for confirmation.
3. The front panel asks you to insert the Ink Cartridges. Press OK after inserting all of them.
4. The printer initializes various electrical subsystems, pressurizes the APS, holds the pressure for while,
then depressurizes it. The current pressure is displayed on the front panel at each stage.
5. If the test finishes successfully, the front panel displays OK.
ENWW Entering the Service Tests menu 89
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