Minolta Di450 Service Manual page 49

10-4. Original Size Detection Timing
Takes size When the Original Cover is raised to an angle of 15° or more (Original
1
readings Cover Detecting Sensor is deactivated).
Affirms size When the Original Cover is lowered to an angle of 15° or less (Original
readings Cover Detecting Sensor is just activated) and the Size Reset Switch is
2
actuated. Or, when the Start key is pressed with the Original Cover
Detecting Sensor in the deactivated state.
Resets size When the Original Cover is raised and the Size Reset Switch is just
3
readings deactuated from actuated state.
Unable to take A notice is given to the user if the Start key is pressed with the Original
4
size readings Cover not raised to an angle of 15° or more in a size reset condition.
:Numbers 1 through 4 are enabled when the EDH is mounted; only numbers 1 and 2 are
enabled when the Original Cover is mounted.
Original Cover Detecting Sensor
PC52
PC52
S51
CONTROL SIGNAL
PWB-B PJ5B-2
CONTROL SIGNAL
PWB-B PJ306B-7
M-29
Size Reset Switch
S51
4002M524AA
Blocked Unblocked WIRING DIAGRAM
L H
ON OFF
H L
13 - C
WIRING DIAGRAM
7 - I