USB 3.0 Two-Way Sharer USB Switch 2 in 1 Out for Printer Keyboard

CORN USB 3.0 Sharing Switch Selector 4 Port 2 Computers Peripheral Switcher Adapter Hub for PC, Printer, Scanner, Mouse, Keyboard with One Button Swapping and 2 Pack USB Male Cable

USB 3.0 Switch Selector,AUBEAMTO USB Switcher 2 in 1 Out Bi-Directional USB Sharing Switch for PC, Printer, Scanner, Keyboard, 2 Computers Share 1 USB Devices, Package Includes Two 3.3FT Data Cables

4 Port USB 3.0 KM Switch for 4 Computers, USW-N334

4 Port USB 3.0 KVM Switch Dual Monitor DisplayPort 1.4 8K@30Hz 4K@144H

Blackbird 4K HDMI 2.0 and USB 3.0 2x1 KVM Switch, 4K@60Hz, HDR, YCbCr 4:4:4, HDCP 2.2

Steetek 8K KVM Switch 2 Monitors 2 Computers DisplayPort with 3 USB 3.0 Hub 8K 60Hz DP 1.4 Dual Monitor KVM Switch Wired Remote KVM Switches Share Keyboard Mouse Printer EDID Plug

2-Port 4K DisplayPort USB-C KVM Switch with Power Pass-through, Duo Flex (Supports up to 8K) - US3311, ATEN Desktop KVM Switches

4 Port USB 3.0 KM Switch for 4 Computers, USW-N334

OraSaifu USB 3.0 Sharing Switch, 2 Computers 4 Port USB Peripheral Switcher Adapter Box Selector for PC, Printer, Scanner, Mouse, Keyboard with One-Button Swapping and 2 Pack USB A to A Cable

How can two computers use a printer with only one USB interface?