If you run a tool with Windows 10 version 1903 or later, e.g. Windows 10 version 2004, and use an USB printer, it’s possible you’ll discover that the printer is typically missing while you attempt to print.
The printer port is missing on affected units. Windows 10 customers might verify the printer ports on the gadget within the following method: choose Start > Settings (gear icon) > Devices > Printers & Scanners > Print Server Properties > swap to the Ports tab.
Check for any USB port within the listing. The affected printer and the USB port that it is related to shouldn’t be displayed on the web page.
Microsoft describes the symptom within the following method:
If you join a USB printer to Windows 10 version 1903 or later, then shut down Windows and disconnect or shut off the printer, while you begin Windows once more the USB printer port won’t be out there within the listing of printer ports.
The printer can’t be used for printing duties or different duties due to the missing USB printer port.
Microsoft lists the next trigger for the difficulty:
If the driving force for the USB printer incorporates a Language Monitor, the OpenPortEx callback operate of the Language Monitor wouldn’t be referred to as. As a end result, the consumer can not fulfill operations dependent on the operation of the Language Monitor.
In the “Devices and Printers” management panel, when deciding on [Print Server Properties] > [Port] tab, the port for the USB printer (similar to “USB001”) wouldn’t seem within the listing of printer ports. As a end result, the consumer can not fulfill operations dependent on the existence of the port.
There is a workaround for the difficulty, and it is fairly simple to use. All that must be accomplished is to attach the USB printer to the PC and energy it on earlier than Windows is began. If that is accomplished, Windows will acknowledge the USB printer and printing performance in addition to different performance offered by the printer is out there through the session.
Microsoft is working on a everlasting repair for the difficulty and plans to launch it as a part of a future Windows 10 working system replace.
The latest function replace for Windows 10 that Microsoft launched final month has lots of open issues as well.
Now You: How is your expertise with printers on Windows? (by way of Deskmodder)