Can't reconcile paper size

[JillR1]

Just installed new ink cartridges. Message from printer "Wrong paper size". How do I select the correct size - A4

[Kumar0307]

@JillR1, Welcome to the HP Support Community!

Reset the printer

1. With the printer turned on, disconnect the power cord from the rear of the printer.
2. Wait at least 60 seconds.
3. Reconnect the power cord to the rear of the printer.
4. Turn ON the printer, if it does not automatically turn on.
5. Wait until the printer is idle and silent before you proceed.

Note: HP recommends connecting the printer directly to a wall outlet rather than a surge protector or a power strip.

Open the input tray, remove and reinsert the papers.

Adjust the paper width guides.

Close the tray.

On the printer screen, you will get a prompt to select the paper size.

Choose the right paper size from the options.

Try printing.

For more info on how to load papers, refer to - Loading Paper, Cards, Envelopes.

The print settings guide for Win PC can be found here.

Hope this helps! Keep me posted. 

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Have a great day!