22-5.Copier Interior Cooling Mechanism; Ir Section Cooling Mechanism; Fusing Section Cooling Mechanism - Minolta CF1501 Service Manual

22-5. Copier Interior Cooling Mechanism
(1)

IR Section Cooling Mechanism

• Fan motors draw air from the outside into the inside of the copier to cool the IR section
(Original Glass, CCD Sensor, Image Processing Board, etc.).
IR Cooling Fan Motor 1 (M3)
Controlled Part
M2
M3
M4
(2)

Fusing Section Cooling Mechanism

• Fan motors draw air from the area around the Fusing Unit to the outside to prevent the
copier interior temperature from running high.
Controlled Part
M23
M24
Original Glass Cooling Fan Motor (M2)
Control Signal Energized
PJ2C-4B
PJ6C-4
PJ6C-7
Control Signal Full Speed
PJ14I-11A
PJ14I-1A
M-99
IR Cooling Fan Motor 2 (M4)
4004M054AA
Deenergized WIRING DIAGRAM
H L
H L
H L
Fusing Cooling Fan Motor 2 (M24)
Fusing Cooling Fan Motor 1 (M23)
4004M054AA
Half Speed
H L
H L
20-I
20-H
20-H
WIRING DIAGRAM
2-G
2-F