Scanner; Color - Brother FAX1170 Service Manual

2.1.2

Scanner

The scanner uses a contact image sensor (CIS) unit which consists of an LED array illumi-
nating documents, a self-focus lens array collecting the reflected light, a CIS PCB carrying
out photoelectric conversion to output picture element data, and a cover glass on which a
document advances. When the document passes between the white pressure roller and the
cover glass, it is scanned.
III – 3