Pro 7900 and 9900 Field Repair Guide 10/6/10
AID Check Test Printer Component, Software Item, LCD Display, Printer Button Page 253.
AID Check Test
Purpose: The AID Check verifies the correct operation of the AID (Auto Ink Detection) circuitry.
Note: If the AID Check fails, verify that the Print Head does not have missing nozzles. Missing nozzles
on the Print Head will cause the test to fail.
1. Start the AID Check test.
1.1 Enter Self Testing mode: Down, Right, and OK buttons, and turn on the Printer.
1.2 Navigate to SELF TESTING\Mecha Adjustment\AID Check
1.3 Press the Right Arrow.
1.4 Press the OK button to begin the test.
1.4.1 The Printer will display Please Wait.
1. The Printer will display Please Wait.
2. The Printer will display 6 OK’s if the AID Circuitry passes the test.
Note: Mode1 displaying 3 OK’s indicates that the AID Circuitry is reading Print Head Nozzles
correctly.
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