This document provides instructions to check ink levels in the four ink cartridges of the product.
HP Customer Support
Checking Ink Levels for HP Officejet Pro K8600 and K8600dn Color Printer Series
Follow these steps to check the estimated ink level for each cartridge using the HP Toolbox.
Make sure the product is on and connected to the computer.
From the HP Solution Center, click the Settings menu.
Point to Print Settings, and then click Printer Toolbox.
The Printer Toolbox opens. The ink levels are displayed on the Estimated Ink Levels tab.
note:The ink levels shown are an estimate only. Actual ink volumes might vary.
Figure : Estimated ink levels