02-16-2020 06:51 AM
@Mike1-_1 Greetings from the HP Community!
Here's all you need to know about cleaning and yes, you do need to clean it: click here for details.
If the above doesn't help, here's what you need to do: click here
I hope that answers your query,
If it did, simply select "Accept as solution", to help the community grow,
And if you wish to thank us for our efforts, click on the thumbs up for kudos.
Have a great day ahead.
I am an HP Employee