Laser Emission Area (Hia And Via Signals - Minolta Di151 Service Manual

8-2.

Laser Emission Area (HIA and VIA Signals)

• The laser radiation area is controlled in the CD and FD directions, respectively.
• The HSYNC signal (IR) determines the image start position in the CD direction.
• The Paper Take-Up Sensor and the TOD signal (engine) determine the image start posi-
tion in the FD direction.
• The HSYNC signal and TOD signal are timed by the SOS signal.
• The image data (VIDEO signal) is output after the image start positions in the CD and FD
directions have been determined. The Paper Take-Up Sensor controls the image end
position in the FD direction.
HSYNC
VIDEO
M-18
4007M016AA