Ir Section Cooling Mechanism - Minolta Di450 Service Manual

23-4. Cooling Mechanism
(1)

IR Section Cooling Mechanism

A fan motor draws air from the outside into the inside of the copier to cool the IR (especially
the Exposure lamp, and CCD Sensor), PH and PWB-B.
Speed Control
PH Cooling Fan Motor 1
PH Cooling Fan Motor 2
IR Cooling Fan Motor
* Plugged in: Where Sleep or Auto Shut OFF is activated
IR
PWB-B
M19
M22
M52
Plugged in*
M19 Stop
M22 Stop
M52 Stop
CCD
PH
Developing Unit
CONTROL SIGNAL
PWB-IC PJ4IC-9
PWB-IC PJ4IC-3
PWB-IC PJ4IC-6
M-86
Stand-by Copy Cycle
Stop Full
half Full
half Full
IR Cooling Fan Motor
M52
PH Cooling Fan Motor 2
M22
PH Cooling Fan Motor 1
M19
4002M585AA
ON OFF WIRING DIAGRAM
L H
L H
L H
18 - H
18 - I
21 - H