Service manual

Chapter 8
8-1
8.1 Overview/Configuration
8.1.1 Specifications, Control Mechanisms, and Functions
0012-7178
LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / KaserBase MF6560PL / / LaserBase MF6580PL
T-8-1
8.1.2 Outline
0011-4248
LaserBase MF6530 / / LaserBase MF6540PL / LaserBase MF6550 / KaserBase MF6560PL / / LaserBase MF6580PL
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The fixing pressure roller and the delivery roller are driven by the main motor (M1). The paper separated from the photosensitive drum is moved to the inside of
the fixing assembly; the paper is then moved outside it after the toner is fused to the paper by the work
of the fixing film and the fixing pressure roller.
The delivery sensor (SR5) is used to detect paper coming out of the fixing assembly.
F-8-1
F-8-2
Item Function/Method
Fixing method by fixing film + pressure roller
Fixing heater Unitary flat heater incorporating both main heater and sub heater
Fixing temperature detection [1] Main thermistor (TH1): Temperature control and fault detection
[2] Sub thermistor (TH2): Fault detection
[3] Thermo-switch (TP1): Fault detection
Fixing temperature control [1] Warm-up temperature control
[2] Normal temperature control
[3] Sheet-to-sheet temperature control
Protection functions [1] Detection of error in temperature control by thermistor
[2] Detection of temperature rise by thermo-switch
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