Canon BJC 50 Service Manual - Page 50

Canon BJC 50 - Color Inkjet Printer Manual

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Part 2: Product Specifications BJC-50 2.3.2 Infrared interface 1. IrDA Interface 1) Interface IrDA Version 1.0 compatible 2) Optical specifications Light generation Wavelength: Intensity: Light angle: Light interception Wavelength: Intensity: Light angle: 0.85 to 0.90 µm 40 to 500 mW/Sr ±15° to 30° (along optical axis) 0.85 to 0.90 µm 4µW/cm2 to 500 mW/cm2 Max ± 15° (along optical axis) 3) Transfer speed 9600/19200/38400/57600/115200 bps 4) Communication method Half duplex, start/stop system (bidirectional) 5) Communication distance 0 to 1 m 6) Maximum received data size 2048 byte/packet 7) Modulation method 3/16 RZI (Return to Zero Invert) 8) Received signal Transfer Speed 5V "0" 0V Infrared pulse width Pwd: 1.6µs to 3/16 transfer speed Pwd "0" "1" Transfer Speed Pwd=3/16 transfer speed RZI signal Figure 2-15 IrDA Method 2-20

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2.3.2 Infrared interface
1. IrDA Interface
1) Interface
IrDA Version 1.0 compatible
2) Optical specifications
Light generation
Wavelength:
0.85 to 0.90
μ
m
Intensity:
40 to 500 mW/Sr
Light angle:
±15° to 30° (along optical axis)
Light interception
Wavelength:
0.85 to 0.90
μ
m
Intensity:
4
μ
W/cm
2
to 500 mW/cm
2
Light angle:
Max ± 15° (along optical axis)
3) Transfer speed
9600/19200/38400/57600/115200 bps
4) Communication method
Half duplex, start/stop system (bidirectional)
5) Communication distance
0 to 1 m
6) Maximum received data size
2048 byte/packet
7) Modulation method
3/16 RZI (Return to Zero Invert)
8) Received signal
Part 2: Product Specifications
BJC-50
2-20
Transfer Speed
Transfer Speed
Pwd
5V
0V
"0"
"0"
"1"
RZI signal
Pwd=3/16 transfer speed
Infrared pulse width
Pwd: 1.6
μ
s to 3/16 transfer speed
Figure 2-15 IrDA Method