Not able to change paper size on my hp app on cellphone, how can erase and reinstall the mobile up

[TH192R0RZ]

Need Uninstaller and reinstall my printer from my mobile samsung note 10+

[Dragon-Fur]

@TH192R0RZ 

Welcome to the HP English Community --

First...

Normally the paper size and type are changed not only in the application but also in Tray and Paper using the printer's control panel or the Embedded Web Server (EWS).

Looks like the printer has just the one tray:

Media Sizes Custom (imperial)	Tray 1: 3 x 5 to 8.5 x 14 in
Media Sizes Custom (metric)	Tray 1: 76.2 x 127 to 215.9 x 355.6 mm

EWS > HP Document / How-to (InkJet Printers – Original Format)

 Use the HP printer Embedded Web Server (EWS)

NOTE:  Find printer IP address

Section Open the EWS over a local network orientation

OR

 HP Laser Printers - Using the Printer Embedded Web Server (EWS)

Open your Browser > Type / enter the Printer IP address into URL / Address bar

Reminder:  If asked enter the printer’s PIN number – the default number is generally located on the back or inside the printer.

EWS – Tray and Paper Management

Original EWS

Open your Browser > Type / enter the Printer IP address into URL / Address bar

Tab Settings > Preferences > Tray and Paper (Management)

Select / Adjust settings for Paper Size / Type

Model and EWS version Dependent:  Advanced section

Click Apply to save changes

EWS_9025_Preferences_Tray_and_Paper_Management_All_11

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Next,

If you are using Android, make sure you have the actual HP Smart application made by HP, Inc and not a fake app made by some "Labs" group (who are not HP).

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HP Smart (Mobile) >>> Download / Install - How-to - and FAQ

 HP printer setup (HP Smart app)

Read the FAQs

For example: 

What is the HP Smart app and its requirements?

And / or

What if my cloud printer is missing, offline, or unavailable in the HP Smart app?

And / or

Why can't I connect my wireless printer or print over the network?

>>> Terms of Use >>>  HP Smart – formally HP Connected – Services Terms of Use

Reminders -- Initial Connection

• Your Mobile device (tablet, phone) must be on the same network as the printer.
• Location Services and Bluetooth should both be switched ON

-- Be Aware –

Any HP application you install should be sourced from “HP”.

What?  Fakes have been discovered on at least one Mobile App Store –

Check who is providing the application >> “HP Inc.”

If you can’t tell, ask or use the Homepage method (if using Windows) to download and install the HP Smart application.

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Message Content References

 User Guide - HP OfficeJet Pro 8020 series

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References / Resources

HP Printer Home Page - References and Resources

Learn about your Printer - Solve Problems

“Things that are your printer”

When the website support page opens, Select (as available) a Category > Topic > Subtopic

NOTE: Content depends on device type and Operating System

Categories: Warranty Check, Alerts, Troubleshooting, Ink & Paper, HP Software & Drivers / Firmware Updates, Setup & User Guides, Product Specifications, Account & Registration, Warranty & Repair

Open 

 Product Home - Printers

 Enter the device type and model name of your HP product

OR

 Select a saved product from HP Account Dashboard

OR

• HP OfficeJet Pro 8025 All-in-One Printer
• HP OfficeJet Pro 8025e All-in-One Printer

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People who own, use, and support HP devices.

Click Yes to say Thank You

Question / Concern Answered, Click my Post "Accept as Solution"