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[3] Cooling Fan Control
FM7
1. Operation
A 24V DC motor is used for each cooling fan.
a.
FM1
(1) ON timing
Held ON during copy operation.
(2) OFF timing
Turned OFF at specified time after copying com-
plete.
b.
FM3, FM4, and FM6
(1) ON timing
• Turned ON after completion of the first warm-
up after power-ON.
• During warm-up, turned ON when the drum
starts rotating.
• During idling, rotates at high speed when the
drum temperature exceeds specified temper-
ature.
• Always rotates at high speed during copying,
switching to low speed rotation at specified
time after copy completes.
(2) OFF timing
• During warm-up, turned OFF when the drum
stops rotating.
• After completion of warm-up, held ON until the
power is turned OFF.
FM1
FM10
FM11
FM3
2-P-3
OTHER KINDS OF CONTROL
FM4
FM6
FM12
FM5
FM8
c.
FM5, FM8
(1) ON timing
Turned ON after power-on.
• Always rotates at low speed during idling.
• During copying, always rotates at high speed.
(2) OFF timing
Not turned OFF until the power is turned OFF.
d.
FM7
(1) ON timing
Turned ON when L1 has been lit for at least 80
seconds.
(2) OFF timing
Turned OFF when L1 is turned OFF.
e.
FM9
(1) ON timing
Turned ON in sync with M17 (polygon).
(2) OFF timing
Turned OFF in sync with M17).
f.
FM10, FM11
(1) ON timing
Turned ON in sync with M8 (ADU conveyance).
(2) OFF timing
Turned OFF in sync with M8.
g.
FM12
(1) ON timing
Turned ON in sync with M1 (main).
(2) OFF timing
Turned OFF in sync with M1.
FM9
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