Canon Color imageRUNNER C4580 Service Manual - page 63
Chapter 1
1-40
1.2.7.4 Reader Unit Specifications
T-1-20
The descriptions are subject to change for product improvement
Copyboard
Fixed
Original size detection
Feed sensors, reading CCD; copyboard cover angle
Original type
Sheet, book, 3-D object (2 kg max.)
Maximum original size
297 mm x 432 mm
Reproduction ratio
100%, Reduce I (1:0.250), Reduce II (1:0.500), Reduce III
(1:0.611), Reduce IV (1:0.707), Reduce V (1:0.816), Reduce VI
(1:0.865);
Enlarge I (1:1.154), Enlarge II (1:1.224), Enlarge III (1:1.414),
Enlarge IV (1:2.000), Enlarge V (1:4.000);
Zoom (1:0.250 to 4.000; 25% to 400%: in 1% increments)
Reading resolution
Main scanning direction 600 dpi
Sub scanning direction 600 dpi
Number of gradations Reading
maximum
256
Main scanning direction 0 to 2 mm against 297 mm
Sub scanning direction 0 to 2 mm against 420 mm
Source of light
Xenon lamp
Dimensions
Width (W) 586 mm
Depth (D) 565 mm
Height (H) 104 mm
Weight
14 kg
Option
Anti-condensation heater (100/230V model only)