My printer won't print A4 size although all the setting was set to A4

[Yannn]

Previously, I have been scanning paper with a customized size. There are hundreds of them. Sometimes, I also print paper with A4 size. everything went well according to my setting.

Only this morning, I tried to print an A4 size document. However, the printed page was the previous customized size that I did for scanning. 

I have set A4 in the printer properties.

I have run the Scan Doctor.

I have uninstalled and reinstalled both printer and scanner drive. 

The printer still print this custamized size on my A4 paper. There is no changes on the computer. I think this is related with my scanning activities. Because for these las two weeks, I have scanned almost 300 pages. 

Is there any way to reset these?

[Jeet_singh]

@Yannn,

Thank you for posting your query on HP Community,

Let's try to perform a Hard reset on the printer and make sure that the printer is connected directly to the wall outlet and not to the surge protector.

Remove all the ink cartridges and then try to perform a hard reset on the printer.

With the printer turned on, disconnect the power cord from the rear of the printer and also unplug the power cord from the wall outlet.

Remove USB cable, if present.

Wait for 2-3 minutes, press and hold the power button on your printer for about 30 seconds to remove any additional charge.

Now plug back the power cable straight to a wall outlet without any surge protector or an extension cord and then plug back the power cord to the printer.

Turn on the printer and wait till warm-up period finishes and the printer is idle.

Now insert the ink cartridges and then try to print a test page and check if it works.

Let me know how it goes for further assistance!

That said, If the information I've provided was helpful, give us some reinforcement by clicking the Accepted Solution and Kudos buttons, that'll help us and others see that we've got the answers!

Have a great day!