Konica Minolta BizHub C360 Service Manual page 252

Theory of Operation Ver. 1.0 Jul. 2009
C. Fusing temperature control during warm-up
• To prevent image fixability from being degraded due to environmental changes, three dif-
ferent types of temperature control are adopted. In the control, the set temperature for
the fusing belt and fusing pressure roller is controlled to an optimum value according to
the environment.
Warm up mode
Warm-up at low temper-
atures
Warm-up at ordinary
temperatures
Warm-up under high
humidity condition
*1: When the default value of the service mode is selected (Change Warm Up Time: Mode
1 and Engine FW Dip SW No.5: OFF) and the rated power source is used at a room
temperature of 23°C
*2: Absolute humidity: water content contained in the air (1 m
temperature
Machine interior
temperature
18°C or less
Low temperature
environment
Environment
Machine interior Machine interior humidity
temperature
Not judged by absolute
18°C or less
humidity
18°C or more to 32°C Less than a predeter-
or less mined value
Predetermined value or
More than 32°C
more
Machine interior
temperature
exceeding 18°C
Absolute humidity,
specified value or
more
High humidity
environment
20. FUSING SECTION
(absolute humidity *2)
3
) as steam regardless of the
Room temperature
environment
*1
Warm up time
Black mode: 30 sec.
Color mode: 41 sec.
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