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Technology > Original Exposure System > Construction > Major Components
Technology > Original Exposure System > Construction > Major Components
Original Exposure System
Construction
Specifications/controls/functions
The major specifications, controls and functions of the original exposure system are described
below.
Item
Specification/function
Original exposure
LED
Original scan
In book mode
Original scan is performed by moving the contact image sensor
(CIS).
In ADF mode
Original stream reading is performed with the contact image
sensor
(CIS) fixed.
Read resolution
B/W: 600 dpi (main scanning) x 600 dpi (sub scanning)
(Color SEND): 300 dpi (sub scanning)
Gradation
256 gradation
Carriage position detection
Contact image sensor (CIS) HP sensor (S31)
Magnification
25% to 200%
Main scanning
direction
Image is processed on main controller PCB
Sub scanning
direction
In book mode: speed change by carriage travel, image process
on main controller PCB *1
In ADF mode: original feed speed change, image process on
main controller PCB *1
Lens
Rod lens array
CMOS sensor
Number of lines:1
Number of pixels: Total 7488 (incl. 7276 effective pixels)
Maximum original scan width: 297mm
CIS drive control
Drive control by reader motor (M31)
Original size
detection
In book mode
Main scanning direction: by reflection sensor (AB/INCH)
Sub scanning direction: by reflection sensor (AB/INCH)
In ADF mode
Main scanning direction: by photo interrupter on DADF
Sub scanning direction: by photo interrupter on DADF
*1 Controls differ depending on magnifications. Refer to [Magnifications] for more information.
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Major Components
Following shows major components of document exposure system.
M31
S36(2B)
S36(2A)
S37
S35
S34
PCB2
S33
S32
H5
H5
S31
CIS
Item
Notation
Specification/function
Scanner motor
M31
Pulse motor: controls the carriage drive
CCD HP sensor
S31
Detects CIS home position
Copyboard Cover Open/Closed
Sensor 0
S32
Ends original size identification with the copy board
cover at 5 deg
Copyboard Cover Open/Closed
Sensor 1
S33
Detects the copyboard cover open/close. Starts
original size identification with the copy board cover
at 30 deg.
Original Size Sensor 0
S34
Helps identify original size (AB, INCH/AB/K, INCH/A)
Original Size Sensor 1
S35
Helps identify original size (AB, INCH/AB/K, A)
Original Size Sensor 2A
S36
Helps identify original size (AB, INCH/AB/K, A)
Original Size Sensor 2B
S36
Helps identify original size (INCH/A)
Original Size Sensor 3
S37
Helps identify original size (AB, INCH/AB/K, INCH/A,
A)
CIS unit
-
Indirect exposure by LED (LED & photoconductive
body)
Reader Heater
H5
Prevents condensation on the copyboard glass
Reader relay PCB
PCB2 Controls the reader unit drive and image process
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Summary of Contents for IMAGERUNNER 2530
Page 1: ...9 8 7 6 5 4 3 2 1 imageRUNNER 2530 2525 2520 Series Service Manual...
Page 4: ...Blank Page...
Page 16: ...1 1 Product Overview Product Overview Product Lineup Feature Specifications Name of Parts...
Page 111: ...3 3 Periodical Service Periodical Service Consumable Parts and Cleaning Parts...
Page 159: ...5 5 Adjustment Adjustment Outline Adjustment when replacing parts Image position adjustment...
Page 166: ...6 6 Troubleshooting Troubleshooting Upgrading Targets and Procedure...
Page 171: ...7 7 Error Code Error Code Overview Error Code Jam Code Alarm Code...
Page 186: ...8 8 Service Mode Service Mode Outline Details of Service Mode...
Page 321: ...Service Tools General Circuit Diagram Appendix...