Epson Stylus Pro User Manual - Page 77

Serial Interface, Optional Interfaces, Initialization

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Serial Interface The printer's built-in serial interface is based on the RS-422 standard to allow the printer to be connected to an Apple Macintosh. Standard: Based on RS-422 Synchronization: Asynchronous Bit rate: 57.6 Kbps/230.4 Kbps Handshaking: DTR and XON/XOFF protocol Word format: Data bit Parity bit Start bit Stop bit 8 bits None 1 bit 1 bit Connector: 8-pin mini-circular connector Recommended cable: Apple System/Peripheral-8 (part number M0197) or equivalent Optional Interfaces The available interfaces are listed in Appendix A. Please refer to the specifications in the user's guide packed with the optional interface card. Initialization The printer can be initialized (returned to a fixed set of conditions) in these ways: Hardware initialization Software initialization Control panel initialization ∗ The printer is turned on. ∗ The printer receives an INIT signal from the parallel interface: pin 31 goes LOW. ∗ Software sends the ESC @ (initialize the printer) command. The last panel settings are kept. ∗ Hold down the Alt button and press the Pause button (buffer clear). The last panel settings are kept. B-12 Technical Specifications

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Serial Interface
The printer’s built-in serial interface is based on the RS-422 standard to
allow the printer to be connected to an Apple Macintosh.
Standard:
Based on RS-422
Synchronization:
Asynchronous
Bit rate:
57.6 Kbps/230.4 Kbps
Handshaking:
DTR and XON/XOFF protocol
Word format:
Data bit
Parity bit
Start bit
Stop bit
8 bits
None
1 bit
1 bit
Connector:
8-pin mini-circular connector
Recommended cable:
Apple System/Peripheral-8 (part number
M0197) or equivalent
Optional Interfaces
The available interfaces are listed in Appendix A. Please refer to the
specifications in the user’s guide packed with the optional interface card.
Initialization
The printer can be initialized (returned to a fixed set of conditions) in
these ways:
Hardware
initialization
The printer is turned on.
The printer receives an
INIT signal from the
parallel interface: pin 31 goes LOW.
Software
initialization
Software sends the ESC @ (initialize the printer)
command. The last panel settings are kept.
Control panel
initialization
Hold down the Alt button and press the Pause
button (buffer clear). The last panel settings are
kept.
B-12
Technical Specifications