4. The printer will initialize some subsystems and move the carriage out of the service station. After that it
will ask you to select the printhead to prime. Use the Up/Down keys to change the printhead number,
and press OK to select.
While the printhead is being primed, a message saying Priming printhead will appear in the front panel,
indicating the number of the selected printhead. If any error occurs, a system error will identify the part
that has failed.
5. Once the printhead has been primed correctly, the message below appears. Press OK to turn off the
printer.
Aerosol test
The purpose of this test is to check the operation of the Aerosol Fan(s).
Perform the Aerosol 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 Aerosol test.
3. The test is automatic and needs no user intervention. After the test, the printer will show that the
diagnostic result is OK, and ask you to press OK to continue. If there is any failure, an error message will
identify the part that failed.
I/O Information
This option allows you to view information about input/output.
ENWW Entering the Service Tests menu 95
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