This article is aimed to fix the malfunctioned keys for legion laptops with descrete graphics options enabled.
My daily using markdown note taking codes
Traditionally, Brother printers' drivers are divided with cupswrapper and lpr. The Arch-Wiki gives the solution on how to package them. But there's some printers, e.g. DCP-B7500D and HL-L2350DW, have a combined driver with different file tree. This article is to record how I package.