Chapter 9
9-1
9.1 Construction
9.1.1 Specifications, Control Mechanisms, and Functions
0009-1153
The following shows the major functions of the machine's fixing system:
T-9-1
9.1.2 Major Components
0009-1217
The following shows the major components of the machine's fixing system:
Item
Description
Fixing method
IH fixing
Fixing heater
IH heater
Fixing roller
40 mm dia., 0.65 mm thick
Pressure roller
38 mm outside dia.
Control temperature
decreased gradually from 205 deg C (at standby, 17 deg C or higher)
decreased gradually from 215 deg C (at standby, lower than 17 deg C)
Fixing drive control
by fixing roller speed control (speed control according to paper type)
Fixing temperature detention
- Main Thermistor (THM1, contact)
fixing roller center; 12 mm reciprocating width
temperature control, error detection
- Sub Thermistor (THM2, contact)
fixing roller rear; no reciprocating mechanism
shutter control, error detection
- Shutter thermistor (THM3; contact)
fixing roller rear; 12 mm reciprocating width
shutter control, error detection
Protective mechanism
Executes the following error detection; in response to an error, cuts power to the
fixing heater:
- thermistor temperature detention (THM1/THM2/THM3)
- thermal switch (TP1)
operating temperature: 200 +/-5 deg C
Separation claw
upper separation claw: contact type (3 mm reciprocating width)
lower separation claw: contact type (no reciprocating mechanism)
Bias application
no
Static eliminator
yes; for both fixing roller and pressure roller
Cleaning mechanism
oil application by web
Inlet guide
re-configured according to paper type/length
Extra-small size support
control of heating area by flux blocking plate (shutter)
Pressure release mechanism
no
Summary of Contents for iR5570 Series
Page 1: ...Mar 29 2005 Service Manual iR6570 5570 Series ...
Page 2: ......
Page 6: ......
Page 26: ...Contents ...
Page 27: ...Chapter 1 Introduction ...
Page 28: ......
Page 30: ......
Page 55: ...Chapter 2 Installation ...
Page 56: ......
Page 58: ...Contents 2 9 3 Mounting the Cassette Heater 2 34 ...
Page 98: ......
Page 99: ...Chapter 3 Basic Operation ...
Page 100: ......
Page 102: ......
Page 110: ......
Page 111: ...Chapter 4 Main Controller ...
Page 112: ......
Page 114: ......
Page 135: ...Chapter 5 Original Exposure System ...
Page 136: ......
Page 181: ...Chapter 6 Laser Exposure ...
Page 182: ......
Page 184: ......
Page 192: ......
Page 193: ...Chapter 7 Image Formation ...
Page 194: ......
Page 198: ......
Page 259: ...Chapter 8 Pickup Feeding System ...
Page 260: ......
Page 350: ......
Page 351: ...Chapter 9 Fixing System ...
Page 352: ......
Page 401: ...Chapter 10 External and Controls ...
Page 402: ......
Page 406: ......
Page 448: ......
Page 449: ...Chapter 11 MEAP ...
Page 450: ......
Page 452: ......
Page 455: ...Chapter 12 Maintenance and Inspection ...
Page 456: ......
Page 458: ......
Page 468: ......
Page 469: ...Chapter 13 Standards and Adjustments ...
Page 470: ......
Page 505: ...Chapter 14 Correcting Faulty Images ...
Page 506: ......
Page 508: ......
Page 537: ...Chapter 15 Self Diagnosis ...
Page 538: ......
Page 540: ......
Page 565: ...Chapter 16 Service Mode ...
Page 566: ......
Page 568: ......
Page 633: ...Chapter 17 Upgrading ...
Page 634: ......
Page 636: ......
Page 641: ...Chapter 17 17 5 F 17 4 HDD Boot ROM Flash ROM System Software ...
Page 646: ...Chapter 17 17 10 F 17 11 8 Click START F 17 12 ...
Page 675: ...Chapter 17 17 39 F 17 59 2 Select the data to download F 17 60 3 Click Start ...
Page 677: ...Chapter 18 Service Tools ...
Page 678: ......
Page 680: ......
Page 683: ...Mar 29 2005 ...
Page 684: ......