The TC4N Copier / Printer Controller is a proprietary magnetic card reader / encoder that vends images against value stored on reusable or throwaway magnetic stripe cards, or against an account stored on a reusable magnetic stripe card.

A special Administrator card is used to initialize and value these debit and account cards, and to set control parameters and prices. Depending on copier / printer make and model, and copier control mode selected, individual prices for up to four different image types are supported.

Copier / printer use privileges are determined by group numbers stored both on the cards and in the TC4N.

Account cards can store both account numbers and departmental numbers, for an extra level of accounting. Account cards can be automatically revalued without human intervention, using a designated TC4N.

Usage statistics can be downloaded either manually or serially, using either a laptop or similar device, or a network connection. The TC4N can store usage statistics on up to 10,000 accounts and 99 departments.

The TC4N comes standard with its own 24 VDC power supply, but it can run off power from the copier / printer in many cases. It is shipped with a copier / printer specific sprig at no extra charge.