Renting copier machines and printers  to customers like banks,schools,oil companies,big companies,chain stores, NGO  and etc. becomes more and more popular in the market nowadays in developing countries,which is very mature business in developed countries,such as European,American countris as well as some Asian countries like China,Japan and etc, .
 It's a big investment for machines for single company,and timely and professionl  technical support is a BIG challenges for them.
So there is HUGE potential demand of renting business in the coming 3 or 5 years in Africa and middle east. If you have professional technicians,engineers to do service, and you have enough capital,it is very  good option in printing industry currently. 
There is very little competition in this line of business at present. The earlier you start this project, the bigger and long lasting benefit you can get from this business.