HP Officejet Pro L7550 - To check printhead health

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To check printhead health

Use one of the following means to check the printhead health. If the status of any
printhead is not good or fair, then perform one or more of the maintenance functions,
or clean or replace the printhead.

Self-Test Diagnostic page: Print the self-test diagnostic page on a clean sheet of
white paper, and check the printhead health section. For more information, see

Understand the self-test diagnostic page

.

Embedded Web server: Open the embedded Web server. For more information,
see

To open the embedded Web server

. Click the Information tab, and then click

Ink Supplies in the left pane.

Toolbox (Windows): Open the Toolbox. For more information, see

To open the

Toolbox

. Click the Information tab, and then click Printhead Health.