HP 2000CP 2500CP Manual de usuario descargar pdf (Pagina 112)

4-26 Service Tests

HP DesignJet CP Series Printers

D12. Image Quality

The purpose of this test is to verify the image quality attributes of the

printer.

Perform the Image Quality test as follows:

Load media before performing this Test.

1 In the Diagnostics submenu, scroll to “D12 Image Quality” and press

Enter.

Diagnostics

D12 Image Quality

2 If media is not loaded the test will stop and the message “Load Media to

align Printheads” will be displayed on the front-panel. Load media in

order to continue the test.

3 The printer will print two printhead alignment patterns. During the

printing, the message “Aligning Printheads” will be displayed on the

front-panel.

4 If after aligning the Printheads the message “Bad Printhead Alignment”

is displayed on the front-panel then try the following to solve the

problem:

1 Try recovering the printheads using the front-panel menu and try the

test again.

2 If the test fails again, check the alignment pattern to check if any of

the colors are printed badly. If a color is printing badly then replace

the complete Ink Delivery System of the color that is bad.

3 The Line Sensor is not calibrated correctly. Perform the Line Sensor

calibration  page 5-10.

4 The lens cover, which is installed on the line sensor, is dirty. Replace

the lens cover  Users Guide, Chapter 10 (Lens Maintenance).

5 Check if the Line Sensor is installed and connected correctly.

6 Perform the Line Sensor Test  page 4-10.

7 Perform the Electronics Test  page 4-7.

The test is continued on the next page.

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HP 2000CP 2500CP Manual de usuario Pagina 112