Configure Raspberry Pi for Sharing Printer Samsung Xpress M2026 using CUPS and SAMBA. (Samsung Xpress M2026 is one of the cheap laser printers and laser cartridge are available for very reasonable prices.) Colour Direct Xpress M2026W M2070W M2022W M2020 M2070 M2020 M2026 Compatible Toner Cartridges Replace Samsung MLT-D111S - 1 PACK (£7.99) Pre-requisite Raspberry Pi configured and SSH terminal enabled (to upload the files to Raspberry Pi). Internet connection on Raspberry Pi. Install and Setup CUPS Open command terminal and install CUPS > sudo apt-get install cups Installer will ask your permission about the disk usage, type Y to allow disk usage. Next Add pi user to the lpadmin group (so pi user can add printers and classes) > sudo usermod -a -G lpadmin pi Enable remote adminstation so CUPS web interface is accessible of network: > sudo cupsctl --remote-admin --remote-any --share-printer Setup for Samsung Xpress M2020...
I have setup the RetroPie on my Raspberry Pi 4 and while playing games for few minutes or so, I was getting RED temperature icon blinking on right top side of screen, which was indication that my Pi 4 is running hot and system performance is being throttled. I started reading article on websites and mostly suggesting to install heatsink but recommending to install the fan. I thought let me try to install the heatsink first and see how my Pi 4 performs and if heatsink is not keeping it cool I will install the fan, I want to keep power usage minimum and was not huge fan of installing a fan. I was not willing to spend money on buying the heatsink because I started Pi 4 for DIY projects and to save money :), so I started to search my old computer parts box for any spare heatsink and luckily I found an old heatsink hiding in the box. Now I need to install it on Pi 4 processor, as I didn't had any spare thermal glue and on internet they were not cheap e...