HP 9250C Digital Sender - Page 47

Motor rotates in
the normal direction
Unit moves forward
Motor rotates in
the reverse direction
Unit moves backward carriage
glass
MOTOR DRIVE
signals
Optical unit motor
Optical unit home position
detection sensor
Optical unit
Motor
Optical unit
motor drive circuit
CPU
MOTOR CONTROL
signals
Sensor flag
Figure 4-3 Optical assembly
The image data is collected on the scanner controller board, where it is processed and sent to the
formatter.
ENWW Flatbed unit and ADF system 31