M-18
9-2.
Fusing Unit Temperature Control
(1)
Temperature change
(2)
Temperature control
• During a warm-up cycle, the fusing temperature is increased to a predetermined level.
• The warm-up control is performed when the power is turned ON, the Front Door is
opened and closed, and the Pause mode is canceled.
• During the standby state, the fusing temperature is kept lower (130 °C) than during print-
ing so as to economize on power consumption.
• The temperature control mode selected when temperature control is resumed (when the
power is turned ON, the Front Door is opened and closed, or the Pause mode is can-
celed) is determined by the mode set before the interruption and the fusing temperature.
• In the Pause (low power consumption) mode, the Fusing Roller Heater Lamp is turned
OFF to reduce power consumption.
130
°
C
185
°
C
205
°
C
F
u
sing R
o
ller
T
e
m
perat
ure (
°C)
Warm-up
Mode 1: 300 sec.
Mode 2: 208 sec.
Mode 3
Standby
Printing
(600 dpi)
Thermistor-detected temperature
155
°
C
160
°
C
Printing
(1200 dpi)
Thermistor-Detected Temperature
at Start of Temperature Control
Less than 50 °C
50 °C to 130 °C
More than 130 °C
Mode before
Temperature
Control
Power OFF
Mode 1
Mode 2
Mode 3
Mode 1
Mode 1
Mode 2
Mode 2
Mode 3
Mode 3
Summary of Contents for MF Series
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Page 98: ...PRINTER 20 PPM SERVICE MANUAL TECHNICAL DOCUMENT 251 475 943 A...
Page 113: ...INDEX MECHANICAL ELECTRICAL GENERAL TROUBLESHOOTING DIS REASSEMBLY ADJUSTMENT MAINTENANCE...
Page 117: ...GENERAL...
Page 123: ...MECHANICAL ELECTRICAL...
Page 146: ...MAINTENANCE...
Page 156: ...DIS REASSEMBLY ADJUSTMENT...
Page 168: ...TROUBLESHOOTING...