HP DesignJet Z2100

Service Tests and Utilities
3-32 Designjet Z Series — Service Manual
33 Open the Window.
34 Open the Carriage cover.
35 Remove all the Printheads from the Carriage.
36 Press any key to continue.
37 The Carriage Assembly pens test verifies that the printheads are not inserted.
38 The Front Panel then prompts you to insert all the Printheads.
39 Replace all the Printheads.
40 Close the Carriage Cover.
41 Close the Window.
42 Press any key to continue.
43 The Carriage Assembly pens test verifies that the printheads are inserted.
44 The Front Panel then displays the test result.
45 Press any key to continue.
46 The printer continues the test, and the Front Panel displays:
 Preparing Pen initialization.
 Checking Pen status
47 The Front Panel then displays the test result.
48 The Encoder Manager test starts and the Front Panel displays:
 Starting EncoderManager.
 Moving Carriage center.
 Setting Encoder.
 Reading Encoder position.
 Moving Carriage to left.