Open Minecraft
Go to Options
Open Controls
Search for JEI
Find the JEI keybinds you want to change
Click the keybind
Press the new key you want to assign
Save and exit the menu
If needed, clear any key conflicts shown in red
Open Minecraft
Go to Options
Open Controls
Search for JEI
Find the JEI keybinds you want to change
Click the keybind
Press the new key you want to assign
Save and exit the menu
If needed, clear any key conflicts shown in red