2DA/2DB-1
2-1-16
Temperature
(°C)
Preset temperature (°C)
(secondary stabilization)
Fixing heater S (FH-S)
Fixing heater M (FH-M)
HEAT signal
HEAT signal
Time
500 ms
On
On
On
On
On
On
Off
Off
Off
Off
Warm-up
control
Ready state
control
(1) Fixing temperature system
Figure 2-1-19 Fixing temperature system
• Warm-up control
1. 500 ms after the fixing heater S (FH-S) turns on, the fixing heater M (FH-M) turns on.
2. When the fixing temperature reaches preset temperature, both fixing heater S (FH-S) and fixing heater M (FH-M) turn off
simultaneously.
• Ready state control
1. When the fixing temperature drops to the preset temperature, fixing heater S (FH-S) turns on, and after specified time, the
heater turns off.
2. When fixing heater S (FH-S) turns off, fixing heater M (FH-M) turns on at the same time, and after specified time, the heater
turns off.
3. The operation above is repeated to keep the fixing temperature to the preset temperature.
* If a temperature more than or equal to the preset temperature + 20°C/68°F is detected, both fixing heater S (FH-S) and
fixing heater M (FH-M) are turned off forcibly.
(2) Fixing temperature control based on ambient temperature
This machine performs fixing temperature control based on the ambient temperature.
Ambient temperature
Lower than 13°C/55.4°F
Higher than or equal to 13°C/55.4°F,
lower than 18°C/64.4°F
Higher than or equal to 18°C/64.4°F,
lower than 31°C/87.8°F
Higher than 31°C/87.8°F
Fixing temperature (°C)
Reference value +10
Reference value +5
Reference value
Reference value -5
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