HP Enterprise 500 manual Paper

Table 1-8High voltage power supply circuits (continued)

Circuit	Description
Primary-transfer-bias generation	DC positive bias transfers the latent toner image from each photosensitive drum
	onto the ITB.
Secondary-transfer-bias generation	Two DC biases, one positive and one negative, transfer the toner from the ITB onto
	the paper.

ENWW Engine control system 11