Minolta Di 620 Manual page 26

=The following shows the sequence for making a single copy onto A4C paper, feeding from the
1st Drawer, at 100% magnification.=
D
When START key is turned ON (IR Section).
ON
Exposure Lamp (FL1)
ON
IR Cooling Fan Motor (M33)
ON
Scanner Motor (M31) ......Moves under shading sheet.
ON
M31............................... Executes Gain/Shading adjustment.
E
After completion Gain/Shading adjustment
Approx. 20ms
ON
Original Detecting Solenoid (SL7)
Approx. 20ms
Shading signal:
M-7
ON
M31 Original Size Detection: Moves to
leading edge of original.
OFF
SL7
ON
Starts M31 scan.
Scanner Reference Position Sensor
(PC55)
L
Blocked
OFF
L H
: Stops M31.
FL1
OFF
M33