Usb Interface - Epson Stylus C50 Service Manual

EPSON Stylus C50/C60/C61/C62
Stylus C61/C62
The printer sends the following device ID string when it is requested.
When IEEE1284.4 is enabled,
For Standard spec.
[00H] [4EH]
MFG : EPSON;
CMD : ESCPL2, BDC, D4;
MDL : Stylus[SP]C62;
CLS : PRINTER;
DES : EPSON[SP]Stylus[SP]C62;
For ASIA specs
[00H] [4EH]
MFG : EPSON;
CMD : ESCPL2, BDC, D4;
MDL : Stylus[SP]C61;
CLS : PRINTER;
DES : EPSON[SP]Stylus[SP]C62;
When IEEE1284.4 is disabled,
For EAI spec.
[00H] [4BH]
MFG : EPSON;
CMD : ESCPL2, BDC;
MDL : Stylus[SP]C62;
CLS : PRINTER;
DES : EPSON[SP]Stylus[SP]C62;
For EURO/ASIA spec.
[00H] [4BH]
MFG : EPSON;
CMD : ESCPL2, BDC;
MDL : Stylus[SP]C61;
CLS : PRINTER;
DES : EPSON[SP]Stylus[SP]C61;
Note 1: [00H] denotes a hexadecimal value of zero. (Common annotation)
Note2: MDL value depends on the EEPROM setting. (Common annotation)
Note3: CMD value depends on the IEEE1284.4 setting. (Common annotation)
PRODUCT DESCRIPTION

1.3.3 USB Interface

Standard
Bit rate
Data encoding
Adaptable connector
Recommended cable length
Table 1-15. Connector pin assignment and signals
Pin No. Signal name
1 VCC
2 -Data
3 +Data
4 Ground
Figure 1-11. USB pin assignment
INTERFACE
: Based on
"Universal Serial Bus Specifications Rev. 1.1"
"Universal Serial Bus Device Class Definition
for Printing Devices Version 1.1"
: 12Mbps (Full Speed Device)
: NRZI
: USB Series B
: 2 meters
I/O Function description
- Cable power. Max. power consumption is 2mA.
Bi-D Data
Bi-D Data, pull up to +3.3V via 1.5K ohm resistor.
- Cable ground
Pin #2 Pin #1
Pin #3 Pin #4
Revision C
20