адресуемых точек - да
если сравнивать с 2400х2400х1, то это корректно
This exclusive ASIC (Application-Specific Integrated Circuit) layout streamlines the imaging process from the optical system to the writing system. Each imaging step is fully controlled digitally to enable 600dpi x 8bit colour output at 65ppm in extremely high image quality.
в продолжение
Laser Control ASIC Chip
By controlling the laser exposure time to resolve dot width into 256 segments, extremely detailed writing on a sub-dot level is possible
потом идет небольшая расшифровочка
the bizhub PRO C5500 features Dot Position Control (DPC), which provides three image plotting patterns: from the left, from the right and from the centre. By being able to write in incredibly fine resolution(1/256 of total dot width)
У Xerox свои "фишки", но даже их маркетингового описания у меня нету.