
Chapter 7
7-14
7.3.3 Cassette Paper Size Detection
0020-4136
The size of the paper in the cassette is detected by the DC controller PCB when the user changes the position of the cassette paper size lever. When the cassette is
inserted in the iR host machine, the paper size lever pushes the paper size switches provided in the iR host machine to allow the DC controller PCB to detect presence
of the cassette and the size of paper. Paper size switches are arranged as shown below. Paper sizes are determined by the combinations of the switches pushed by
the paper size lever.
F-7-19
ON:The push switch is pushed.
OFF:The push switch is not pushed.
*:Not used.
7.4 Manual Feed Pickup Unit
7.4.1 Overview
0020-4137
A3
A4
A4R
A5
B4
B5
B5R LGL
11x17
LTR LTRR
STM
T
U1* U2* U3*
PSIZE1
ON
OFF
ON
OFF OFF
ON
ON
OFF
ON
ON
ON
ON
OFF OFF OFF
PSIZE2
OFF
ON
OFF
ON
OFF OFF
ON
ON
OFF
ON
ON
ON
ON
OFF OFF
PSIZE3
OFF OFF
ON
OFF
ON
OFF OFF
ON
ON
OFF
ON
ON
ON
ON
OFF
PSIZE4
OFF OFF OFF
ON
OFF
ON
OFF OFF
ON
ON
OFF
ON
ON
ON
ON
PSIZE4
PSIZE2
PSIZE1
PSIZE3
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 ...
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Page 307: ...May 12 2014 ...
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