Canon Color imageRUNNER C5180 Series, Service Manual

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Chapter 11
11-2
11.1.2 Major Components
T-11-2
Ref. Component Notation Description
[A] Fixing Belt Unit
[1] Fixing belt 50 mm dia.
[2] Fixing roller center: 18.5 mm dia.
ends: 18 mm dia.
[3] Fixing belt tension roller center: 22 mm dia.
ends: 21.5 mm dia.
[4] Fixing main thermistor TH1 contact type (temperature control, overheating
detection)
[5] Fixing sub thermistor 1 TH2 contact type (overheating detection)
[6] Fixing sub thermistor 2 TH3 contact type (overheating detection)
[7] Fixing thermal switch TP1 contact type
[8] Fixing pad nip area formation
[9] Fixing cleaning felt prevents intrusion of dust between fixing belt and
sliding sheet
[10] Fixing sliding sheet limits wear on Fixing belt and Fixing pad
[B] Pressure Belt Unit
[11] Pressure belt 50 mm dia.
[12] Pressure roller center: 23.5 mm dia.
ends: 18.5 mm dia.
[13] Pressure belt tension roller center: 21.5 mm dia.
ends: 18.5 mm dia.
[14] Pressure heater H1 halogen heater: 300 W
[15] Pressure main thermistor TH4 non-contact type (temperature control, overheating
detection)
[16] Pressure sub thermistor TH5 contact type (overheating detection)
[17] Pressure sub thermistor 2 TH6 contact type (overheating detection)
[18] Pressure thermal switch TP3 non-contact type
[19] Pressure pad forms nip area
[20] Pressure belt oil applying felt prevents wear on pressure belt
[21] Oil collecting felt prevents oil from reaching belt surface
[22] Pressure sliding sheet limits wear on pressure belt and pressure pad
[C] IH unit
[23] IH coil
[D] Fixing Drive System
[24] Fixing motor M24 controls fixing/pressure
[25] Fixing belt displacement
control motor M28 controls displacement of fixing belt
[26] Pressure belt displacement
control motor M29 controls displacement of pressure belt