Sharp AM-900 All-In-One Laser Printer "open case brother sewing machine" Questions

Open it, and apply some common sewing machine oil onto the bushings. If the noise stops, you will need to repeat this every 2-3 months or disassemble the fuser roller and apply high-temperature grease

...open the front cover.] 2 - Be careful with the connectors going to the top LCD panel. You might want to disconnect the shorter one. [Do disconnect the shorter one.] 3 - Remove the laser unit located ...