Abstract: A paper handler, in combination with a printer comprising, a paper inlet into that which paper enters the paper handler; where the paper has leading edge. The paper handler further comprises a paper exit where paper exits the paper handler and travels from the paper handler to the inlet of the printer. A drag system is also included that contributes to handle the paper handled by the paper handler thereby providing for seamless continuous paper flow through the printer. The paper handler further comprises an optic sensor capable of sensing marks on the paper. The optic sensor communicates with the printer indicating sensing of the marks by the optic sensor.