Service Tests and Utilities

WARNING

4. Ink Pressure System

The purpose of this test is to verify the operation of the:

nTubes System.

nAir Pressurization System (APS).

IF POSSIBLE ALWAYS PERFORM THIS TEST BEFORE REPLACING THE TUBES SYSTEM OR THE APS. IF THIS TEST PASSES, DO NOT REPLACE THE TUBES SYSTEM OR THE APS.

NOTE

The Service Tests work in a special Mode which does NOT require the full Initialization of the Printer. Therefore it is important that once you have finished with the Service Test, you MUST power OFF the Printer and Power ON again before trying to print.

Perform the Ink Pressure System test as follows:

1In the Service Tests submenu, scroll to "4. Ink Pressure System" and press Enter.

 

 

 

 

 

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Service Tests

 

 

 

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1. Electronic Systems

 

 

 

 

 

 

 

 

 

2. EIO Card

 

 

 

 

 

 

Make Selection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3. Hard Disk Drive

 

 

 

 

 

 

 

4. Ink Pressure System

 

 

 

 

 

 

 

 

5. Scan Axis

 

 

 

Enter

 

 

 

Press Enter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2The test will start and the following sequence of messages will appear on the front panel:

INK PRESSURE SYSTEM

 

INK PRESSURE SYSTEM

Running SRK Test...

 

Running APS Test...

 

 

 

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HP DesignJets 1050C and 1055CM Printers Service Manual