Epson Stylus 1500 - Page 19

Reverse Channel
Transmission mode: IEEE-P1284 nibble mode
Adaptable connector: See Forward Channel on page 1-10.
Synchronization: Refer to the IEEE-P1284 specification.
Handshaking: Refer to the IEEE-P1284 specification.
Data transmission timing: Refer to the IEEE-P1284 specification.
Signal level: Refer to the IEEE-P1284 specification.
Extensibility request: The printer responds affirmatively when the extensibility
request values are 00H or 04H, as follows:
00H: Request nibble mode reverse channel transfer
04H: Request device ID
Return data using nibble mode channel transfer
Device ID: The printer sends following device ID string when
requested:
ESC/P2
00H 36H
MFG: EPSON;
CMD: ESCPL2-00;
MDL: Stylus 1500;
CLS: PRINTER;
XL24E
00H 37H
MFG: EPSON;
CMD: PRPXL24-00;
MDL: Stylus 1500;
CLS: PRINTER;
Note: 00H denotes a hexadecimal value of zero.
Printer Features
1-12 EPSON Stylus 1500 Service Manual