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HP Designjet T920

HP Designjet T920
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11. Release Piston 0.
12. Press OK to continue.
13. Repeat the steps above for each piston.
14. The Front Panel then displays the tubes usage, expressed in percentage of the expected subsystem life.
15. Press OK to continue.
16. The Front Panel prompts you to insert all the Ink Cartridges.
17. Install all the Ink Cartridges.
18. Press OK to continue.
19. The Front Panel then displays Acumen Supplies test results.
20. Press OK to end the test and return to the Diagnostics menu.
Check Ink Supplies
If there is a failure at any point during the tests, the Front Panel will display the relevant System Error Code.
To troubleshoot any displayed error codes, see System error codes on page 101.
1. In the Diagnostics menu, scroll to IDS and press on this menu option.
2. The Front Panel shows the IDS submenu.
3. In the IDS submenu, scroll to Check Ink Supplies and press OK to start the test.
4. The Front Panel prompts you to insert all the ink cartridges.
5. The Front Panel shows the ink levels of all the cartridges. A list of the “colors not valid” for purge are
shown below. If all of the cartridges are valid for purging, the “Colors not valid” item will not be shown
on the Front Panel.
6. Press OK to exit.
7. The Front Panel then displays the test results.
8. Press OK to end the test and return to the Diagnostics menu.
Check Leakage
If there is a failure at any point during the tests, the Front Panel will display the relevant System Error Code.
1. In the Diagnostics menu, scroll to IDS and press on this menu option.
2. In the IDS submenu, scroll to Check Leakage and press OK to start the test.
3. The Ink Delivery System test starts and the Front Panel prompts you to remove all the Ink Cartridges.
4. Remove all the Ink Cartridges and press OK to continue.
5. The Front Panel prompts you to push down all the pistons.
6. Use your fingers to push all of the pistons down, and press OK to continue.
7. If the Ink Supply Station is working properly, the Front Panel prompts you to insert all the Ink
Cartridges.
176 Chapter 4 Diagnostics, Service Utilities and Calibrations ENWW

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