Canon MF6530 Service Manual - Page 125
Specifications, Control Mechanisms, and Functions, 1.2 Outline
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8.1 Overview/Configuration Chapter 8 8.1.1 Specifications, Control Mechanisms, and Functions T-8-1 0012-7178 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] Temperature-switch (TP): 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 temperature huse 8.1.2 Outline 0011-4248 The fixing unit employing the on-demand fixing method consists of a fixing film unit (incorporating a fixing heater, thermistor, and temperature huse), a pressure roller, and a delivery roller. 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. Delivery roller Delivery sensor (SR5) Fixing film Fixing pressure roller Fixing heater Fixing inlet guide F-8-1 Fixing heater (H1) Temperature fuse (TP) Fixing pressure roller Sub thermistor (TH2) Main thermistor (TH1) Fixing film F-8-2 8-1
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