Document Exposure; Overview - Canon imageRUNNER ADVANCE C3330 Series Service Manual

Document Exposure

Overview

■ Characteristics
This machine has achieved low energy consumption by adopting a new Scanner Unit.
■ Specifications
Item
Exposure system
Original scan
Scanning resolution
Gradation
Carriage position detection Scanner Unit HP Sensor (PS_A1)
Magnification change
Number of line of Reading
sensor
Original size detection
Maximum original size
Specification/function
High-brightness white LED + reflection plate
In BOOK mode
Scan by movement of scanner unit
In DADF mode
Scan by original stream reading with scanner unit fixed
600 dpi x 600 dpi
300 dpi x 300 dpi
256 gradations
B&W: scan magnification change (Vertical 2-line skipping: 25 to 50%)
Color: digital reproduction
In horizontal direction
Image processing in main controller PCB
In vertical direction
Image processing in main controller PCB
4 lines (R, G, B, B/W)
In BOOK mode
Horizontal direction: detection by Scanner unit sensor (scanner unit)
Vertical scanning: Detection by the Reflection Sensor (Original Size
Sensor (AB configuration/AK configuration) or Original Size Sensor
(Inch))
In DADF mode
Horizontal scanning: Detection by the Photo Interrupter
Vertical scanning: Detection by the Photo Interrupter and Reflection
Sensor
In BOOK mode
297 mm x 431.8 mm
In DADF mode
297 mm x 630 mm
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2. Technology
Remarks
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Scan magnification change is al-
so used for 300dpi-SEND job
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Total 1 point (2 points for global)
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