Interface; Usb Interface - Epson Stylus CX3700 Service Manual

EPSON Stylus CX3700/CX3800/CX3805/CX3810/DX3800/DX3850

1.3 Interface

The EPSON Stylus CX3700/CX3800/CX3805/CX3810/DX3800/DX3850 provides
the following interface.

1.3.1 USB Interface

Standards
"Universal Serial Bus Specifications Revision 2.0"
"Universal Serial Bus Device Class Definition for Printing Devices Version
1.1" (printer unit)
Transfer rate: 12 Mbps (Full Speed Device)
Data format: NRZI
Compatible connector: USB Series B
Recommended cable length: 2 [m] or less
Device ID
Table 1-19. Device ID
Model Name
[00H][5AH]
MFG:EPSON;
CMD:ESCPL2,BDC,D4,ESCPR1;
CX3700
MDL:Stylus[SP] CX3700;
CLS:PRINTER;
DES:EPSON[SP]Stylus[SP] CX3700;
[00H][5AH]
MFG:EPSON;
CX3800
CMD:ESCPL2,BDC,D4,ESCPR1;
CX3805
MDL:Stylus[SP] CX3800;
CX3810
CLS:PRINTER;
DES:EPSON[SP]Stylus[SP] CX3800;
[00H][5AH]
MFG:EPSON;
CMD:ESCPL2,BDC,D4,ESCPR1;
DX3800/DX3850
MDL:Stylus[SP] DX3800;
CLS:PRINTER;
DES:EPSON[SP]Stylus[SP] DX3800;
PRODUCT DESCRIPTION
Device ID
Interface
Connector signal layout
Table 1-20. Connector Pin Assignment and Signals
Pin No. Signal name I/O
1 VCC -
2 -Data Bi-D
3 +Data Bi-D
4 Ground -
Pin #2
Pin #3
Figure 1-9. USB pin Assignment
Product ID
0x0818
Endpoint attribute
Table 1-21. Endpoint Attribute
I/F No. Endpoint Address
0x01
0x00
0x02
0x03
0x01
0x04
Revision A
Function Description
Cable power. Max. power consumption is 2 mA.
Data
Data, pull up to +3.3 V via 1.5 K ohm resistor.
Cable ground
Pin #1
Pin #4
Endpoint Type Linked Interface
Bulk In
Scanner
Bulk Out
Bulk In
Printer
Bulk Out
21