Interface Specifications; Parallel Interface; Serial (Usb) Interface - Canon BJC-820 Service Manual

Part 1: PRODUCT SPECIFICATIONS

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:
Output:
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
Cable-side
7) Input/Output signal and pin arrangements
Refer to Part 5: 2. CONNECTOR POSITIONS AND PIN ASSIGNMENT (Page 5-6)
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:
Common-mode difference:
Output:
Static output high:
Static output low:
4) Input/Output
Each signal pulled up with 3.3V
5) Interface cable
Cable
Material: AWG No. 28 or higher (AWG: American Wire Gauge)
6) Interface connector
Printer-side
Cable-side
7) Input/Output signal and pin arrangements
Refer to Part 5:2. CONNECTOR POSITIONS AND PIN ASSIGNMENT (Page 5-6)
details.
"Low" level: 0.0V to +0.8V
"High" level: +2.4V to +5.0V
"Low" level: 0.0V to +0.8V
"High" level: +2.4V to +5.25V
Amphenol 57-40360 (or equivalent)
Amphenol 57-30360 (or equivalent)
+0.2V (Max)
+0.8V to +2.5V
+2.8V to +3.6V
0.0V to +0.3V
Twisted pair shielded cable, up to 2.0 m
Full-speed mode must be supported.
USB standard, Series B receptacle
USB standard, Series B plug
1-6
BJC-8200
for
for