HP LaserJet Pro MFP M429dw - Specifications | HP® Support
https://support.hp.com/in-en/product/product-specs/hp-laserjet-pro-mfp-m428-m429-series/model/19202503
WEBWelcome to the product support page! HP LaserJet Pro MFP M429dw. Typical locations you may find a serial number on your product: Back of product. Under the battery. For laptops, press Fn + Esc. For desktops, press Ctrl + Alt + s. For Chromebooks, on the sign in screen, press Alt + v. On the barcode. Learn more. Bulletins and Alerts.
DA: 39 PA: 27 MOZ Rank: 89