Reproduction quantity is directly related to material consumption, as well as waste generation and disposal. Therefore any reduction in quantity can have a positive impact on resources, energy and pollution.
Product Quantity
Why should attention be paid to reproduction quantity?
How do I know how much is enough?
An evaluation of the product’s demand was carried out beforehand, to avoid excessive units that might end up in landfill.
Resources
Print on demand
Wikipedia’s page on on-demand printing.