User's Manual
Service Tests and Utilities
4-7
HP DesignJets 500, 510 and 800 Series Printers Service Manual
3 Once all the Ink Cartridges are removed the Printer will check the 
Ink Supply Station. During this short period, the following message 
will be displayed:
4 If the Printer detects all the out-of-ink signals, the Ink Supply 
Station has passed the test and the following message will appear on 
the Front Panel:
WARNING IF THIS TEST PASSES, DO NOT REPLACE THE INK
SUPPLY STATION.
5  If the Printer does not detect all the out-of-ink signals then the Ink 
Supply Station must be faulty and the following message will 
appear on the Front Panel:
In this case, to resolve the problem, try the following:
1 Replace the Ink Supply Station Assembly ⇒ Page 8-48.
ISS Test
Please wait.
Checking
ISS Test
Test result OK.
INK SUPPLY STATION OK.
Press ENTER to return to
menu
Menu
Back
Enter
ISS Test
Test result 22:10 
Faulty INK SUPPLY
STATION
Call HP representative










