why is hp print and scan doctor for windows 10 not working

Printers selected by market share in IDC Quarterly Hardcopy Peripherals Tracker - Final Historical 2021Q2. Keypoint Intelligence September 2021 study commissioned by HP, based on publicly available information as of 18 August 2021. HP Ink Advantage printers and printers which only use XL cartridges excluded due to non-standard hardware & supplies model. Sale prices not considered for this study.

Average CPP per country used to determine percent savings versus CPP for HP Instant Ink.

Saving Claim (Ink): Based on monthly subscription cost of HP Instant Ink 700-page plan without purchase of additional sets of pages compared to cost per page to print ISO/IEC 24711 pages on most in-class, traditional A4 colour inkjet cartridge printers and MFPs priced <€310 using original standard-capacity cartridges.

Never run out: Based on plan usage, Internet connection to eligible HP printer, valid credit/debit card, email address, and delivery service in your geographic area.

Certain features/software are available in English language only, and differ between desktop and mobile applications. For details on local printing requirements see hp.com/go/mobileprinting.

HP Smart app: Requires the HP Smart app download.

HP+ Printing: Improved printer connectivity utilizing Smart Driver and Print/Scan Doctor technology in the HP+ system, versus HP consumer printers without HP+.

Why is hp print and scan doctor for windows 10 not working