After sending a print job, a Paper Mismatch or Paper Size Mismatch message displays on the printer control panel or computer when the print job paper settings do not match what is loaded in the printer.
Identify and resolve incorrect or mismatched paper size issues on a Windows computer.
Perform the following tasks in the order given. Use the printer after each task to see if the issue is resolved.
Check the paper size and source settings for your print job in Windows.
In the program you are trying to print from, click File, and then click Print.
Make sure your printer is selected, and then open the Properties dialog box.
Depending on the software program, the button might be Properties, Options, Printer Setup, Printer, or Preferences.
For most HP printers, click the Paper/Quality tab, and then continue with these steps.
For HP Laser printers, click the Paper tab, click the Original Size drop-down, and then make sure the paper size matches the type of paper loaded into the printer. Click the Output Size drop-down, select Same as Original Size, and then click OK.
Click Paper Source, and then confirm the correct paper tray is selected.
Click Advanced, and then click the Paper Size drop-down.
Make sure the paper size matches the type of paper loaded into the printer.
If the exact paper size is missing from the list, select the size closest to the paper loaded into the tray.
Click OK.
Reset the printer to recover from printer errors or failures.
If your printer has a rechargeable battery, remove it.
Press the power button to turn off the printer. If the printer does not turn off, disconnect the power cord from the printer.
Unplug the power cord from the power source.
Wait 60 seconds.
Connect the power cord directly to a wall outlet and to the printer.
Turn on the printer to complete the reset.
HP regularly releases new firmware versions with printer enhancements or issue fixes. Update firmware on a regular basis to make sure you are getting the most out of your printer.
Update from the printer control panel: Many HP printers with touchscreens or menus can connect directly to HP to find and install updates. Make sure the printer is on a network with an active Internet connection. If the printer is connected with a USB cable, use one of the other options.
On the printer, locate the Product Update or Check for Updates menu by pressing the HP ePrint icon or button ( or ). Or open the Setup, Service, or Settings menu, select Preferences, Printer Maintenance, or Tools, and then select Web Services, Printer Update, or LaserJet Update.
Download updates from HP Customer Support: With the printer turned on and connected to the computer or a network, go to HP Software and Driver Downloads to check for and install available updates listed under Firmware.
Install updates through the HP Smart app: Open the HP Smart app, and then create an account or sign in. If you do not have HP Smart, download it from 123.hp.com or your app store. After adding the printer, click the printer image, click Printer Home Page (EWS) or Advanced Settings, click Tools or Web Services, and then click Printer Updates.
Uninstall the HP print driver and install and use HP Smart on a Windows computer.
Disconnect any USB cables from the printer.
In Windows, search for and open Add or remove programs.
Look for your HP printer name in the list of programs.
If you find your printer, click the printer name, and then click Uninstall.
If you do not find your printer, search for and open Printers & scanners, click your printer, and then click Remove device.
If a User Account Control message displays, click Yes.
Follow the instructions to complete the software removal, and then restart the computer.
Go to 123.hp.com to download and install HP Smart.
Identify and resolve incorrect or mismatched paper size issues on a Mac.
Perform the following tasks in the order given. Use the printer after each task to see if the issue is resolved.
Check the correct paper size and source settings in macOS.
Open the item you want to print, and then open the print job settings.
Documents and photos: Click the Spotlight icon to search for and open Preview. Click File > Open to open the item, and then click File > Print.
Webpages: Open the page you want to print, and then click File > Print.
Select your printer, and then click Show Details if the button displays.
Select Paper Type/Quality or Media & Quality, and then click Feed From or Source to select the tray the paper is loaded in.
Select the paper you are using from the Paper Size menu.
If the Paper Size menu is not listed, click File > Page Setup to access the menu.
If the exact paper size is not in the list, select the size closest to the paper you are printing on.
Click Print.
Reset the printer to recover from printer errors or failures.
If your printer has a rechargeable battery, remove it.
Press the power button to turn off the printer. If the printer does not turn off, disconnect the power cord from the printer.
Unplug the power cord from the power source.
Wait 60 seconds.
Connect the power cord directly to a wall outlet and to the printer.
Turn on the printer to complete the reset.
HP regularly releases new firmware versions with printer enhancements or issue fixes. Update firmware on a regular basis to make sure you are getting the most out of your printer.
Update from the printer control panel: Many HP printers with touchscreens or menus can connect directly to HP to find and install updates. Make sure the printer is on a network with an active Internet connection. If the printer is connected with a USB cable, use one of the other options.
On the printer, locate the Product Update or Check for Updates menu by pressing the HP ePrint icon or button ( or ). Or open the Setup, Service, or Settings menu, select Preferences, Printer Maintenance, or Tools, and then select Web Services, Printer Update, or LaserJet Update.
Download updates from HP Customer Support: With the printer turned on and connected to the computer or a network, go to HP Software and Driver Downloads to check for and install available updates listed under Firmware.
Install updates through the HP Smart app: Open the HP Smart app, and then create an account or sign in. If you do not have HP Smart, download it from 123.hp.com or your app store. After adding the printer, click the printer image, click Printer Home Page (EWS) or Advanced Settings, click Tools or Web Services, and then click Printer Updates.
Uninstall the HP print driver and then install the HP Smart app to set up and use the printer.
Download and install HP Easy Start from 123.hp.com/setup.
From the HP Easy Start drop-down menu, select Uninstall HP Software.
Follow the prompts to uninstall all HP software.
Download and open the HP Smart app from HP Smart - Mac App Store (in English), and then follow the prompts to set up your printer.