The test consists of a series of subtests as described below.
Air pressure system subtest
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.
Check ink supplies
The purpose of this test is to check which Ink Cartridges are valid for the purge process, and their
current available ink levels. The status of some Ink Cartridges may not be accessible if they have
previously suffered a failure (faulty, broken bag, etc.).
1. Select Check ink supplies from the Ink Delivery System Test menu.
2. After a brief delay, the front panel displays information on the status of the ink supplies, or an
error message if any problem is found.
3. If the test finishes successfully, the front panel displays OK.
ENWW
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93
Service tests and
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