Chapter 5
5-11
5.3.5.2 Points of Original Size Detection
0013-8590
/ / / / iR C3380i / iR C3380 / iR C2880i / iR C2880
The length in main scanning direction is measured by checking the intensify of light at specific points while moving the contact image sensor (CIS) to a point 30
mm from the leading edge of the original. The length in sub scanning direction, on the other hand, is measured by means of the sensors mounted to the following
locations:
F-5-17
5.3.5.3 Overview of Detection Operation
0013-8591
/ / / / iR C3380i / iR C3380 / iR C2880i / iR C2880
Book Mode
1 original (A4R), copyboard cover (or ADF) closed
1) Standby
CIS: in home position
xenon lamp: off
original sensor: off
F-5-18
2) Copyboard Cover Opened
Point of original
detection 1
Point of original
detection 2
Point of original
detection 3
Point of original
detection 4
B5
A5
A4R
A4
STMT-R
LTR-R
LTR
11"
17"
LGL
B5R
Index plate
Original sensor 1
Index plate
B4
A3
Original size detection position
Original size detection position
Point of original
detection 3
Point of original
detection 2
Point of original
detection 1
30mm
AB-Configuration
Inch-Configuration
30mm
Original sensor 2
Butting point
Butting point
Main scanning direction
Main scanning direction
Sub scanning direction
Sub scanning direction
CIS HP
Original sensor
Reader unit
Copyboard cover
Copyboard glass
CIS
point of detection 1
point of detection 2
point of detection 3
point of detection 4
Summary of Contents for iR C3380 series
Page 1: ...Aug 29 2006 Service Manual iR C3380 2880 Series...
Page 2: ......
Page 6: ......
Page 23: ...Chapter 1 Introduction...
Page 24: ......
Page 26: ......
Page 52: ......
Page 53: ...Chapter 2 Installation...
Page 54: ......
Page 127: ...Chapter 3 Basic Operation...
Page 128: ......
Page 130: ......
Page 136: ......
Page 137: ...Chapter 4 Main Controller...
Page 138: ......
Page 160: ......
Page 161: ...Chapter 5 Original Exposure System...
Page 162: ......
Page 188: ...Chapter 5 5 24 F 5 68 4 Remove the original sensor 2 hook 1 F 5 69...
Page 189: ...Chapter 6 Laser Exposure...
Page 190: ......
Page 192: ......
Page 206: ......
Page 207: ...Chapter 7 Image Formation...
Page 208: ......
Page 256: ......
Page 257: ...Chapter 8 Pickup Feeding System...
Page 258: ......
Page 262: ......
Page 303: ...Chapter 9 Fixing System...
Page 304: ......
Page 306: ......
Page 321: ...Chapter 10 Externals and Controls...
Page 322: ......
Page 326: ......
Page 336: ...Chapter 10 10 10 F 10 10 2 Remove the check mark from SNMP Status Enabled...
Page 337: ...Chapter 10 10 11 F 10 11...
Page 359: ...Chapter 11 MEAP...
Page 360: ......
Page 362: ......
Page 401: ...Chapter 12 RDS...
Page 402: ......
Page 404: ......
Page 411: ...Chapter 13 Maintenance and Inspection...
Page 412: ......
Page 414: ......
Page 416: ...Chapter 13 13 2 F 13 1 8 9 1 2 3 3 5 6 7 10 11 12 13 14 4...
Page 421: ...Chapter 14 Standards and Adjustments...
Page 422: ......
Page 424: ......
Page 431: ...Chapter 15 Correcting Faulty Images...
Page 432: ......
Page 434: ......
Page 459: ...Chapter 16 Self Diagnosis...
Page 460: ......
Page 462: ......
Page 481: ...Chapter 17 Service Mode...
Page 482: ......
Page 484: ......
Page 571: ...Chapter 18 Upgrading...
Page 572: ......
Page 574: ......
Page 603: ...Chapter 19 Service Tools...
Page 604: ......
Page 606: ......
Page 609: ...Aug 29 2006...
Page 610: ......