when to install new ink cartridges

[ADKMike]

I have a brand new DeskJet 4255e.  When I got it, I immediately signed up for an Instant Ink subscription.  Today I received the first shipment of ink cartridges.  The app shows my existing cartridges as being half full.  Should I go ahead and install the new cartridges or wait until the existing ones are lower?

[Kuroi_Kenshi · Accepted solution]

Hi @ADKMike,

Welcome to the HP Support Community!

Thanks for reaching out!

We're thrilled to have the opportunity to assist you and provide a solution.

I understand your HP DeskJet 4255e and Instant Ink cartridge installation question. Let’s go through a few steps to help you decide the best time to install the new cartridges.

Check the current cartridge status
The cartridges that came with the printer are setup cartridges and may show partial ink levels.
This is normal and does not mean they are defective.

Continue using the installed cartridges
Keep using the current cartridges until the printer reports they are low or empty.
There is no benefit to replacing them early.

Understand how Instant Ink cartridges work
Instant Ink cartridges are designed to replace empty cartridges, not to top off existing ones.
Installing them early can leave unused ink in the old cartridges.

Store the new Instant Ink cartridges safely
Leave the new cartridges sealed in their original packaging until needed.
Store them at room temperature and out of direct sunlight.

Install cartridges only when prompted
The printer or HP Smart app will alert you when it’s time to replace a cartridge.
This ensures you get the full benefit of your Instant Ink subscription.

I hope this helps.

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Best regards,