Epson 875DC - Stylus Photo Color Inkjet Printer, Руководство по обслуживанию

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EPSON Stylus PHOTO 875DC Revision A
PRODUCT DESCRIPTIONS Interface 13
1.3 Interface
1.3.1 USB Interface
SPECIFICATIONS
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Standard: Based on the following:
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Universal Serial Bus Specifications Revision 1.0
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Universal Serial Bus Device Class Definition for Printing
Devices Version 1.0 (Printer part)
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Universal Serial Bus Mass Storage Class CBI Transport
Specification v1.0 (Storage part)
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Bit rate: 12Mbps (Full Speed Device)
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Data encoding: NRZI
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Adaptable connector: USB Series B
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Recommended cable length: 2 meters
CONNECTOR PIN ASSIGNMENT
Figure 1-3. USB Pin Assignment
DEVICE ID
The printer sends the following device ID string when it is requested.
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When IEEE1284.4 is enabled,
<00H><5EH>
MFG:EPSON;
CMD:ESCPL2,BDC,D4;
MDL:Stylus<SP>Photo<SP>875DC;
CLS:PRINTER;
DES:EPSON<SP>Stylus<SP>Photo<SP>875DC;
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When IEEE1284.4 is disabled,
<00H><5AH>
MFG:EPSON;
CMD:ESCPL2,BDC;
MDL:Stylus<SP>Photo<SP>875DC;
CLS:PRINTER;
DES:EPSON<SP>Stylus<SP>Photo<SP>875DC;
NOTE: [00H] denotes a hexadecimal value of zero.
Table 1-1. 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 +3.3 V via 1.5K
ohm resistor.
4 Ground - Cable ground
Pin #1
Pin #3
Pin #2
Pin #4