Canon D1 Service Manual page 11

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Product Outline > Specifications (Reader)
Features (Reader)
• Adapting Reading sensor, allows low power consumption and high-speed trigger.
• Exposure to light by white color LED, enables low power consumption, size reducing, and
color balance improvement.
• Color aberration-free.
1 Product Outline > Specifications (Reader)
Specifications (Reader)
The major specifications, controls and functions of the original exposure system are described
below.
Item
Original exposure Indirect exposure by LED (LED & photoconductive body)
Original scan In book mode Scan by movement of CCD
In ADF mode Stream reading with CCD fixed
Maximum original size 297mm x 432mm (In book mode)
Read resolution 600 dpi (main scanning) x 600 dpi (sub scanning)
Gradation 256 gradation
Carriage position detection CCD HP sensor (SR1)
Magnification
25% to 400%
Main scanning Image is processed on main controller PCB 2
direction
Sub scanning
Image is processed on main controller PCB 2
direction
Lens Gauss lens
CCD Number of lines: 4 (R, G, B, B/W)
Number of pixels: 7500 x 3 color lines, 7500 x 1 B/W line
Maximum original read width: 304mm
CCD unit drive control By scanner motor (M1)
Original size In book mode Main scanning direction: by CCD
detection
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
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Specification/function
T-1-1
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