Lexmark MS621dn

Expose
1 Photoconductor drum
2 Printhead
The printhead emits the light that contacts the surface of the photoconductor drum. The light turns on or
o
coinciding with the digital latent image. The light causes areas of the photoconductor drum surface to lose
charge, resulting in a relative opposite polarity.
4600-830, -835, -895
Theory of operation
292