Patent ID: 8355159

Claim:
A method for maintaining the synchronization of the timing of a plurality of physically coupled print engines comprising: determining a change in the speed of a master print engine, from a first speed to a second speed, relative to an original speed of the master print engine at an original set up speed; and adjusting a timing parameter within a slave print engine based on the printing speed of the master engine to adjust the slave print engine speed relative to the master print engine speed and maintain a relative timing operating the printer speed of one or more printer components, whose speeds do not change under voltage or load conditions to apply tension to the paper and reduce paper buckling at a transition between a fixed and a variable speed portion of the engine, wherein an inverter entrance speed is faster than a paper path speed of an engine immediately preceding the inverter and the inverter entrance speed is between 3% slower and 7% faster than any variations of a paper path speed of an engine immediately preceding the inverter.