Mount your 4x5 to a tripod or copy stand and remove the ground glass
Fix the light source to the back of the camera and secure with the clips
Plug the Timer into the light source then the mains using the cables supplied
Mount your lens to the camera (for an enlarger lens use the provided lens board)
Choose the negative you want to print and slide the negative carrier into the camera
Clip the multigrade filter holder onto your lens and choose a filter
Check everything is lined up and secure - then start printing!