== Automatic colo***u***r adjustment ==
Use the ***Automatic*** colour option to optimize the Neutral Grays, Halftones, and Edge Control for each element in a document.
== Manual colour adjustment ==
Use ***Manual*** colour options to adjust the Neutral Grays, Halftones, and Edge Control for text, graphics, and photographs.
Follow these steps to adjust colours manually.
# Open the document in which you want to change the colour options.
# Click ***File***, and then click ***Print***.
# Click your HP product in the ***Name*** drop-down list, and then click ***Properties***.
# Click the ***Color*** tab, click ***Manual***, and then click ***Settings***. The ***Colour Settings*** dialogue box opens.
# Make the desired colour changes, and then click ***OK***.
# Click ***OK*** again to start the print job.
HP have a help page on there with more info https://support.hp.com/gb-en/document/c01442439