Chapter 4
4-19
4.4 Parts Replacement Procedure
4.4.1 Copyboard glass
4.4.1.1 Removing the Copyboard glass
0020-4335
1) Open the copyboard cover (or ADF).
2)Remove the copyboard glass [1].
- Screws [2] 2 pcs.
- Glass retainer [3] 1 pc.
F-4-30
4.4.1.2 Removing the ADF Reading Glass (only for ADF
equipment)
0020-4388
1) Open the ADF.
2) Remove the glass retainer [1].
- Screws [2] 2 pcs.
3) Remove the ADF reading glass [3].
F-4-31
F-4-32
4.4.2 Reader Controller PCB
4.4.2.1 Removing the Reader Controller PCB (When the
original size detection sensor is not equipped for
BOOK mode)
0020-4390
1) Remove the rear cover.
2) Remove the left cover (rear).
3) Remove the copyboard cover (When the ADF is equipped, open the
ADF).
4) Remove the small cover.
5) Disconnect the ground cable of the ADF harness (Only for the ADF
equipped).
6)Remove the ADF harness (Only for the ADF equipped).
7) Remove ther reader rear cover.
8) Remove the glass retainer.
9) Remove the copyboard glass.
When removing the copyboard glass, take care not to touch the following:
- Glass surface
- Standard white plate
Dirt on these parts can show up as white/black lines in the image. If dirt is
found, remove it with lint-free paper moistened with alcohol.
[2]
[3]
[1]
MEMO:
This machine does not require any action after replacing the document
glass.
- When removing the ADF reading glass, take care not to touch the glass
surface. Dirt on these parts can show up as white/black lines in the image.
If dirt is found, remove it with lint-free paper moistened with alcohol.
- When installing the ADF reading glass, position the cut portion [1] of the
ADF reading glass sheet at the front-left corner.
MEMO:
This machine stores adjustment values in the image processor PCB, not the
reader controller PCB. Accordingly, you need not input adjustment values
after replacing the reader controller PCB.
[3]
[2]
[1]
[1]
Summary of Contents for iR2422 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: ......