Answer:
Some possible negative effects from the creation of printmaking are:
1) The waste of trees. Printmaking requires paper and paper is made from trees. This aspect could have negative effects on our environment over a long period of time.
2) Agricultural shift. In order to create paper, trees need to be cared for. This caused a shift in agriculture by having farmers leave farming of food and join the forces of farming trees for paper. Less food being produced is a result of this.
3) Injuries and working conditions. When printmaking first became a thing, the working conditions weren't all that great. Many people could've gotten hurt from the printmaking machine or from external factories (like working in a warehouse) with the machine.