Back in June 2024, when Windows 11 model 24H2 was once launched for Arm-only Copilot+ PCs, Microsoft had confident that printer make stronger on Windows on Arm was once going to be superb and dandy, particularly for Mopria usual.

However, just lately, Neowin spotted that the tech massive had said problems with printers on Windows on Arm, although there was once no phrase about AMD or Intel PCs, even supposing quite a lot of on-line consumer stories urged that it was once going down on x86 (AMD64) programs as smartly.

The issues will have needed to do with eSCL, as Microsoft has in any case showed as of late that the protocol is damaged on Windows 11 24H2. As such, the function replace has been blocked on such programs. The factor, Microsoft explains, is a results of units now not switching USB mode from eSCL when wanted, which is basically inflicting a warfare. This follows the improve block imposed on PCs with sure Ubisoft video games.

The tech massive writes:

After putting in Windows 11, model 24H2, it’s possible you’ll revel in problems finding USB related units that make stronger the eSCL (eScanner Communication Language) scan protocol. You would possibly follow that your tool does now not uncover the USB related peripheral and the tool discovery does now not entire. This factor essentially impacts USB-connected multifunction units or standalone scanners that make stronger scan capability and the eSCL protocol.

eSCL is a driverless scanning protocol designed for networked scanners. It permits driverless scanning over a community (Ethernet, Wi-Fi) and USB connections. This factor is brought about because of the tool now not switching out of eSCL mode to USB mode, which permits the scanner drivers to be matched.

To safeguard your replace revel in, we’ve got implemented a compatibility grasp on units related to a USB tool that helps the eSCL scan protocol. These units may not be introduced to put in Windows 11, model 24H2 by means of the Windows Update liberate channel. IT directors the use of Windows Update for Business stories can test this factor the use of its safeguard ID: 54762729.

You can in finding the problem right here on Microsoft’s Windows well being dashboard web page.

For those that will not be acquainted with eSCL or eScanner Communication Language, this is a specification evolved via Mopria for driverless scanning. It is basically the best way Modern print or scans function on Windows, which makes putting in third-party drivers useless.