Epson DFX-9000 Service Manual page 38

Epson DFX-9000
1.2.8.5 USB device requests
GET PORT STATUS
The reply specification for GET PORT STATUS is shown below:
Table 1-24. GET PORT STATUS reply specification
Bit Field Field
7, 6 Reserved Reserved
5 Paper 0: Paper Not Empty
Empty 1: Paper Empty
4 Select 0: Not Selected
1: Selected
3 Not Error 0: Error
1: No Error
2, 1, 0 Reserved Reserved
GET DEVICE ID
The printer sends the following device ID strings when requested.
When IEEE 1284.4 is enabled,
[00h][50h]
MFG:EPSON;
CMD:ESCP9,PRPII9,BDC,D4;
MDL:DFX-9000;
CLS:PRINTER;
DES:EPSON[SP]DFX-9000;
Product Description
When IEEE 1284.4 is disabled,
[00h][4Dh]
MFG:EPSON;
CMD:ESCP9,PRPII9,BDC;
MDL:DFX-9000;
CLS:PRINTER;
DES:EPSON[SP]DFX-9000;
SOFT RESET
This USB Device Request is used when the Host initializes the printer's
input buffer.
Basic specifications
Revision B
31