Epson ME100, Service Manual

Page: 20 / 135

EPSON Stylus CX1500/ME100 Revision A
PRODUCT DESCRIPTION Interface 20
1.3 Interface
The EPSON Stylus CX1500/ME100 provides the following interface.
1.3.1 USB Interface
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Standards
T
“Universal Serial Bus Specifications Revision 2.0”
T
“Universal Serial Bus Device Class Definition for Printing Devices Version
1.1” (printer unit)
T
“Universal Serial Bus Mass Storage Class Bulk-Only Transport Revision 1.0”
(storage unit)
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Transfer rate : 12Mbps (Full Speed Device)
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Data format : NRZI
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Compatible connector : USB Series B
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Recommended cable length : 2 [m] or less
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Device ID
.
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Connector signal layout
Figure 1-8. USB pin Assignment
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Product ID: 0x081
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Endpoint attribute
Table 1-12. Device ID
Model
Name
Device ID
Model
Name
Device ID
Stylus
CX1500
@EJL[SP]ID[CR][LF];
MFG:EPSON;
CMD:ESCPL2,BDC;
MDL:Stylus[SP]CX1500;
CLS:PRINTER;
DES:EPSON[SP]Stylus[SP]CX1500;
[FF]
ME100
@EJL[SP]ID[CR][LF];
MFG:EPSON;
CMD:ESCPL2,BDC;
MDL:ME[SP]100;
CLS:PRINTER;
DES:EPSON[SP]ME[SP]100;
[FF]
Table 1-13. Connector pin assignment and signals
Pin No. Signal name I/O Function description
1 VCC - Cable power. Max. power consumption is 2mA.
2 -Data Bi-D Data
3 +Data Bi-D Data, pull up to +3.3V via 1.5K ohm resistor.
4 Ground - Cable ground
Table 1-14. Endpoint attribute
Endpoint Address Endpoint Type Linked Interface
0x01 Bulk In
Scanner
0x02 Bulk Out
0x03 Bulk In
Printer
0x04 Bulk Out
Pin #1
Pin #3
Pin #2
Pin #4