Microsoft: Recent Windows Updates Make USB Printers Print Random Text

Microsoft says that some USB printers will start printing random text after installing Windows updates released since late January 2025. From a report: The known issue affects Windows 10 (version 22H2) and Windows 11 (versions 22H2 and 23H2), but according to an update to the Windows release health dashboard, the latest Windows 11 24H2 is not impacted.

'After installing the January 2025 Windows preview update (KB5050092), released January 29, 2025, or later updates, you might observe issues with USB connected dual-mode printers that support both USB Print and IPP Over USB protocols,' Redmond explains. 'You might observe that the printer unexpectedly prints random text and data, including network commands and unusual characters.'

On affected systems, users will often see erroneously printed text that begins with the header 'POST /ipp/print HTTP/1.1,' followed by other IPP (Internet Printing Protocol) related issues headers. These printing issues are more frequent when the printer is turned on or reconnected after being disconnected. Affected users will observe the printer unexpectedly printing when the print spooler sends IPP protocol messages to the printer and the printer driver is installed on the Windows device.

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