Service Tests (Diagnostics)

The following is a list of all internal service tests available in the Printers. Instructions for entering service mode ￿ are given on page 46￿. Instructions for entering service mode 2 are given on page 4622.

1Bail Cycle Test ' page 468

This tests the operation of the bail system, Service Station and the Y6axis by engaging and disengaging the bail6lift mechanism and capping/uncapping the cartridges to ensure a correct lifting action.

2Front Panel Test ' page 469

The purpose of this test is to verify the operation of the front6panel keys and LEDs.

3Carriage ￿xis (Y6axis) Test ' page 46￿￿

The purpose of this test is to verify the operation of the components of the Carriage ￿xis.

4Carriage Test ' page 46￿2

The purpose of this test is to verify the operation of the Carriage subsystems, like the Line Sensor and analog multiplexer. This test also checks the connection between the carriage flex circuit and the cartridges.

5Sensors Test ' page 46￿￿

This tests the operation of the cover sensor, pincharm sensor and media sensor.

6Media6￿xis (X6￿xis) Test ' page 46￿￿

The purpose of this test is to verify the operation of the components of the Media ￿xis.

7Bench Run ' page 46￿8

This test has been designed to be used during the manufacturing stage and not in the field. do not at anytime enter this test when troubleshooting the Printer.

8Modular Test ' page 46￿9

This test has been created to check the interaction between various components of the Printer. It combines the following tests￿

DCarriage6axis test.

DCarriage test.

DMedia6axis test.

DFront6panel test.

DSensors test.

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HP DesignJet 430, 450C and 455CA Printers

Service Tests