7. The front panel asks if you want to cap the printheads. Press OK to cap the service station or Cancel to
leave the printheads uncapped.
8. The front panel announces the result of the test. Press OK to turn off the printer.
TIP: If a system error message appears during the above procedure, see System error codes on page 37.
Primer test
The purpose of this test is to prime a specified printhead.
NOTE: If possible always perform this test before replacing the primer. If this test passes, do not replace
the primer.
Perform the Primer test as follows:
1. Start the printer in Diagnostic mode (Up and OK keys pressed at switch-on time, until the HP logo
appears). Go to the Service Station submenu.
2. Within the Service Station submenu, select the Primer test.
3. The printer will ask you to check that the printer covers and doors are closed, and the printheads and
cartridges correctly inserted. After checking those things, press OK.
94 Chapter 5 Service tests and utilities ENWW