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Chapter 8
8-1
8.1 Construction
8.1.1 Specifications, Control Mechanisms and Functions
0017-5468
iR2022i / iR2025 / iR2030 / iR2018 / iR2022 / iR2018i
T-8-1
8.1.2 Major Components
0017-5469
iR2022i / iR2025 / iR2030 / iR2018 / iR2022 / iR2018i
F-8-1
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
Fixing drive control
Speed control by detecting fixing film rotation
[1]
Inner delivery roller
[4]
Pressure roller
[2]
Fixing film speed sensor
SR202
Fixing delivery sensor
[3]
Fixing film unit
M201
Fixing drive motor
[2]
[3]
[1]
[4]
M201
SR202
Summary of Contents for imageRunner 2022
Page 1: ...Aug 8 2007 Service Manual iR2030 2025 2022 2018 Series ...
Page 2: ......
Page 6: ......
Page 20: ...Contents ...
Page 21: ...Chapter 1 Introduction ...
Page 22: ......
Page 57: ...Chapter 1 1 33 ...
Page 60: ......
Page 61: ...T 1 11 ...
Page 64: ......
Page 65: ...T 1 12 ...
Page 68: ......
Page 69: ...Chapter 2 Installation ...
Page 70: ......
Page 72: ......
Page 125: ...Chapter 2 2 53 ...
Page 126: ......
Page 127: ...Chapter 3 Main Controller ...
Page 128: ......
Page 130: ......
Page 142: ......
Page 143: ...Chapter 4 Original Exposure System ...
Page 144: ......
Page 170: ......
Page 171: ...Chapter 5 Laser Exposure ...
Page 172: ......
Page 174: ......
Page 181: ...Chapter 6 Image Formation ...
Page 182: ......
Page 184: ......
Page 196: ......
Page 197: ...Chapter 7 Pickup Feeding System ...
Page 198: ......
Page 217: ...Chapter 8 Fixing System ...
Page 218: ......
Page 220: ......
Page 234: ......
Page 235: ...Chapter 9 External and Controls ...
Page 236: ......
Page 255: ...Chapter 10 RDS ...
Page 256: ......
Page 258: ......
Page 268: ......
Page 269: ...Chapter 11 Maintenance and Inspection ...
Page 270: ......
Page 272: ......
Page 275: ...Chapter 12 Standards and Adjustments ...
Page 276: ......
Page 278: ......
Page 281: ...Chapter 12 12 3 ...
Page 282: ......
Page 283: ...Chapter 13 Correcting Faulty Images ...
Page 284: ......
Page 286: ......
Page 299: ...F 13 11 F 13 12 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ...
Page 300: ......
Page 301: ...Chapter 14 Self Diagnosis ...
Page 302: ......
Page 304: ......
Page 317: ...Chapter 15 Service Mode ...
Page 318: ......
Page 381: ...Chapter 16 Upgrading ...
Page 382: ......
Page 384: ......
Page 411: ...Chapter 17 Service Tools ...
Page 412: ......
Page 414: ......
Page 417: ...Aug 8 2007 ...
Page 418: ......