Samsung SF-5100 Plain Paper Laser Fax "side making loud noise" Questions

...cartridge makes a very wont accept a new toner cartridge makes a very loud screeching noise you have to cleaan all the gears. on the side and use a bit of oil.this is a commen problem form sf ...

...loud clanking noise that lasts about 5-10 seconds then stops (no error messages). You can trigger the sound each time the front door is opened and then swung up to close: again lasting about 5-10 ...

...loud noise like it's trying to staple but nothing happens. When i press the release button on the top the stapler tray does not pop out like its supposed to. How do i remove the top/cover to see the ...