
Chapter 4
4-7
The functional configuration of the reader controller PCB is shown below.
F-4-5
4.1.8 Reader Controller PCB (When the original size detection sensor is not equipped for BOOK mode)
0020-4226
Jack No.
Function
J401
Supplies power (24 VDC) from the main body (printer).
J402
Supplies power (5 VC, 3.3 VDC) from the main body (printer).
J403
Communicates with the main body (printer) (to control the ADF).
J404
Communicates with the main body (printer).
J405
Connected to the copyboard open/close sensor.
J406
Connected to the contact image sensor (CIS) HP sensor.
J407
Connected to the original sensor 1 and original sensor 2.
J408
Connected to the contact image sensor (CIS).
J409
Connected to the reader motor.
J410
Supplies power to the ADF.
J411
Communicates with the ADF (to drive the sensor).
J412
Communicates with the ADF (to drive the motor).
J413
Connected to the original sensor 3, original sensor 4, and original sensor 5.
J409
J412
J411
J403
J404
J405
J402
IC1
J408
J407
J413
J406
J410
IC9
J401
DC24V
DC3.3V
DC5V
IC2
Summary of Contents for iR2318 series
Page 1: ...May 12 2014 Service Manual iR2422 2420 2320 2318 Series ...
Page 2: ......
Page 6: ......
Page 16: ...Contents ...
Page 17: ...Chapter 1 Introduction ...
Page 18: ......
Page 20: ......
Page 50: ......
Page 51: ...Chapter 2 Installation ...
Page 52: ......
Page 54: ......
Page 58: ...Chapter 2 2 4 7 Left cover front 15 Right cover upper 8 Manual feed tray 16 Right cover lower ...
Page 62: ...Chapter 2 2 8 8 Manual feed tray 16 Right cover lower ...
Page 64: ...Chapter 2 2 10 8 Manual feed tray 16 Right cover lower ...
Page 89: ...Chapter 2 2 35 ...
Page 90: ......
Page 91: ...Chapter 3 Main Controller ...
Page 92: ......
Page 94: ......
Page 102: ......
Page 103: ...Chapter 4 Original Exposure System ...
Page 104: ......
Page 135: ...9 Remove the reader heater left 1 Connector 2 1 pc Screw 3 1 pc F 4 73 2 3 1 ...
Page 136: ......
Page 137: ...Chapter 5 Laser Exposure ...
Page 138: ......
Page 140: ......
Page 148: ...Chapter 5 5 8 ...
Page 149: ...Chapter 6 Image Formation ...
Page 150: ......
Page 152: ......
Page 165: ...Chapter 7 Pickup Feeding System ...
Page 166: ......
Page 192: ...Chapter 7 7 24 ...
Page 193: ...Chapter 8 Fixing System ...
Page 194: ......
Page 196: ......
Page 207: ...Chapter 9 External and Controls ...
Page 208: ......
Page 229: ...Chapter 10 Maintenance and Inspection ...
Page 230: ......
Page 232: ......
Page 235: ...Chapter 11 Standards and Adjustments ...
Page 236: ......
Page 238: ......
Page 240: ...Chapter 11 11 2 ...
Page 241: ...Chapter 12 Correcting Faulty Images ...
Page 242: ......
Page 244: ......
Page 256: ......
Page 257: ...Chapter 13 Self Diagnosis ...
Page 258: ......
Page 260: ......
Page 269: ...Chapter 14 Service Mode ...
Page 270: ......
Page 272: ......
Page 287: ...Chapter 15 Upgrading ...
Page 288: ......
Page 290: ......
Page 295: ...Chapter 16 Service Tools ...
Page 296: ......
Page 298: ......
Page 300: ......
Page 301: ...Chapter 17 Backup Data ...
Page 302: ......
Page 303: ...Contents Contents 17 1 Backup Data 17 1 ...
Page 304: ......
Page 306: ......
Page 307: ...May 12 2014 ...
Page 308: ......