Printer
From ComputerCraft Wiki
The printer got added in the ComputerCraft 1.42 update. The printer is placed next to a computer, and allows for printing text onto paper with any color of ink.
Recipe
Usage
To use a printer, place it adjacently but not diagonally next to a computer (left, right, top, bottom, front, or back side). Place any color ink in the single left slot, and paper in any of the top slots.
If you are using blocks to pull/insert items from the printer the diffrent slots are avaible from these sides: Paper tray is accessible from: Top Output paper tray is accessible from: Front or Bottom Ink slot is accessible from: Back or Sides
Methods
Peripheral methods are here.