In a multimedia call center operating through an operating system, a client-specific self-help wizard is provided for active clients and updated periodically with information related to client transaction history with the MMCC. The rotary shaft has a flange attached at a mid-section in an axial direction, between large and small diameter sections of the rotary shaft. The reflective light modulator receives the polarized illumination beam along a first optical path, modulates the polarized illumination beam to form an imaging beam, and reflects the imaging beam along a second optical path.