Just and FYI. Ricoh uses a low temp for the fusers and their toner is more uniform in particle size, thus the Ricoh devices don't use as much heat to melt the toner. Rosetta with their MIRC also uses a formulated low melt toner.
In some instances when working with Brother laser printers that use a high melt/temp for the fusers, this can cause ghosting or off-set of the MICR image on the Brother devices