Canon BJC-820, Service Manual

Page: 18 / 105

2.4 Interface Specifications
2.4.1 Parallel interface
1) Interface type
IEEE 1284 compatible parallel interface
2) Data transfer:
8-bit parallel transfer method (Compatible/nibble/ECP mode supported)
3) Signal voltage levels
Input: "Low" level: 0.0V to +0.8V
"High" level: +2.4V to +5.0V
Output: "Low" level: 0.0V to +0.8V
"High" level: +2.4V to +5.25V
4) Input/Output
Each signal pulled up with +5V
5) Interface cable
Twisted-pair double shielded cable
Material: AWG No. 28 or higher (AWG: American Wire Gauge)
Length: Up to 2.0 m.
6) Interface connector:
Printer-side Amphenol 57-40360 (or equivalent)
Cable-side Amphenol 57-30360 (or equivalent)
7) Input/Output signal and pin arrangements
Refer to Part 5: 2. CONNECTOR POSITIONS AND PIN ASSIGNMENT (Page 5-6) for
details.
2.4.2 Serial (USB) interface
1) Interface type
USB Interface (Universal Serial Bus; USB Specification Release 1.0)
2) Data transfer:
Control transfer method
Bulk transfer method
3) Signal voltage level
Input:
Input difference sensitivity:
+0.2V (Max)
Common-mode difference: +0.8V to +2.5V
Output:
Static output high:
+2.8V to +3.6V
Static output low: 0.0V to +0.3V
4) Input/Output
Each signal pulled up with 3.3V
5) Interface cable
Cable Twisted pair shielded cable, up to 2.0 m
Full-speed mode must be supported.
Material: AWG No. 28 or higher (AWG: American Wire Gauge)
6) Interface connector
Printer-side USB standard, Series B receptacle
Cable-side USB standard, Series B plug
7) Input/Output signal and pin arrangements
Refer to Part 5:2. CONNECTOR POSITIONS AND PIN ASSIGNMENT (Page 5-6) for
details.
Part 1: PRODUCT SPECIFICATIONS BJC-8200
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