An integrated image module for a document scanner includes a one piece die cast
housing having a datum element and a support element. An imaging sensor array is
enclosed in the housing. An array bias element urges the imaging sensor array against
the datum element to provide accurate placement of the sensor array relative to
the housing. A transport mechanism is attached to the housing so that the position
of the transport mechanism accurately corresponds to the position of the imaging
sensor array. The lens and the lamp for illumination are also attached to the housing
so that the primary components of the imaging portion of the scanner are contained
in a single module.
