If your printer is not recognized on certain versions of Google Chrome:

Update Chrome

1. On your computer, open Chrome.
2. At the top right, click the three dots icon (More).
3. Click Update Google Chrome. If you don't see this button, you're on the latest version.
4. Click Relaunch.

Reinstall the printer

1. Go to System Preferences and remove the receipt printer.
2. Right-click on Printers window.
3. Click Reset printing system...
4. Add the printer that was just removed.
5. Enable CUPS.

Uninstall and reinstall Chrome

If needed, uninstall and reinstall Chrome. This will reset all browser settings.

1. Quit Chrome.
2. Open Finder > Applications.
3. Drag Google Chrome icon to the trash icon in your dock.
4. Open Finder.
5. Click Go to Folder.
6. Enter ~/Library/Application Support/Google/Chrome
7. Select all folders inside ~/Library/Application Support/Google/Chrome
8. Drag all folders to the trash icon in your dock.
9. Empty the trash.
10. Reinstall Chrome.