Konica Minolta BizHub C360 Service Manual page 292

Theory of Operation Ver. 1.0 Jul. 2009
Fusing cooling fan
motor/2 (FM5)
Transfer belt cleaner
cooling fan motor (FM6)
MFP board cooling fan
motor (FM7)
CPU cooling fan motor
(built into MFP board)
*1: Some operations selected in the service mode (Paper path check etc.)
*2: If the machine enters the "standby" state, the fan motor turns at full speed for 30 sec.
before stopping.
• When the door is open
STOP • In sleep
• When updating the firmware
• At paper-jam, in trouble
30% air flow
• In standby
relative to
• At warm-up, At fusing roller's preparatory rotation
that of full
• At initial operation, image stabilization, function *1
speed
• In low-power
• During the print cycle, the fan motor is subject to PWM (pulse
width modulation) control under the following conditions to
achieve the optimum air flow.
PWM 1. Whether a finishing option is mounted or not
control 2. Paper size
3. Paper type
4. Print mode (color, black)
5. Paper passage mode (1-sided, 2-sided)
• When the door is open
• At paper-jam, in trouble
• In standby
STOP
• At warm-up, At fusing roller's preparatory rotation
• In low-power or sleep
• When updating the firmware
Half speed
• When printing
Full speed
• At initial operation, image stabilization, function *1
• When sub power switch is turned OFF
• In sleep
STOP • In low-power
• At paper-jam, in trouble, or when the door is open
• When updating the firmware
Low speed • In standby
• When printing
Full speed
• At initial operation, image stabilization, function *1
• ON/OFF control is performed using the temperature sensor
STOP inside the CPU.
• When the CPU internal temperature is less than 75° C
Full speed • When the CPU internal temperature is 75° C or higher
26. FAN CONTROL
—
259