There exists a wide variety of photocopiers however not all machines are suitable for every size of business! If you are a small business or a start-up then there it makes no sense in spending much more than you should on such office equipments.
Start with asking yourself a few reasonable points which would help you evaluate your needs and settle on the right decision.
Decide on the amount of investment you can put forward on the copying tool
Consider the adhered cost in service/maintenance, paper, toner and electricity
Analyze that whether you only need a copier or a multifunctional printer would do set of all the jobs for you
The workload is also one factor when talking about copiers. You must try and estimate the volume of copies you would be requiring each day or monthly to known where you should decide upon the speed range from 10 pages per minute to 80 pages per minute devices available
Consider the versatility and response time