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Ricoh K-C1 User Manual

Ricoh K-C1
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IMAGE FUSING AND PAPER EXIT 20 February, 2001
6-62
6.13.5 FUSING TEMPERATURE CONTROL
Overview
The fusing temperature is controlled using the fusing thermistor [A].
The CPU checks the output from the fusing thermistor once a second. The CPU
compares the current and previous temperature, then decides the power-on ratio
for the next second. To maintain the target temperature, the CPU controls the
fusing lamp power-on ratio as shown in the following table (the temperature control
algorithm only works with whole numbers).
The fusing lamp works to maintain a target fusing temperature of 175°C during
copying.
Initializing
Sampling cycle: 1 second
Soft start setting: 3 cycles
Current minus Target
Previous minus Current
–3°
°°
°C or
less
–2°
°°
°C or
–1°
°°
°C
0°
°°
°C
+1°
°°
°C or
+2°
°°
°C
+3°
°°
°C or
more
3°C or less
100% 50% 0% 0% 0%
From –2°C to –1°C
100% 50% 0% 0% 0%
0°C
100% 50% 0% 0% 0%
From +1°C to +2°C
100% 50% 0% 0% 0%
+3°C or more
100% 50% 0% 0% 0%
Ratio (%): The proportion of time that the fusing lamp power is on
B039D506.WMF
[A]

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Ricoh K-C1 Specifications

General IconGeneral
BrandRicoh
ModelK-C1
CategoryAll in One Printer
LanguageEnglish

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