Epson Stylus Pro 7600 - UltraChrome Ink Service Manual - Page 97
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EPSON Stylus Pro 7600/9600 SUPPORTED MAIN COMMAND AND SENDING TIMING Table 1-59. Commands and Sending Timing Main command number Command name Sending timing 01h Start Software Reset -Init signal on the std. parallel -Type B I/F Option command: 01h -Panel Reset -Cold start 04h Send Name Data -Type B I/F Option command: 05h 07h Inquire Software Emulation -Changing Software Emulation type Type 0Eh Inquire ASCII Message -Writing to DBIN-register 14h Inquire Emergency Reply -Reply for Emergency command 15h Send Emergency Message -Receive Emergency command Sending BDC-ST through DBIN register When State-Reply is set "ON" by ST from Type-B I/F, sending BDC-ST through DBIN register is started. When State-Reply is started, "Start" and "End" of BDC-ST characters are announced by sending the Main command 0Eh. Emergency command (BGJC): "0x00": Get device ID "0x01": Get all status "0x08":LFP Bi-D command (For acquisition of job information) Revision A 1.6.4 Supplements PREVENTION HOSTS FROM DATA TRANSFER TIME-OUT When data is received from the parallel interface or the type B interface while no error has occurred (including the pause condition), the printer receives data a rate of 2 byte/ second while buffer free space is less than 16 kbytes in order to prevent host timeout. When buffer free space is more than 32kbytes, the 2 byte/second receive rate is cleared, and receive is halted when free space reaches 16 bytes, and returns to the 2 byte/second rate when free space reaches 512 kbyte or more. INTERFACE SELECTION The printer has the parallel interface, the USB interface, the optional interface. These interfaces are selected manually by the default setting mode or selected automatically. Manual selection One of 3 interfaces can be selected; the parallel interface, the USB interface, the optional interface. Automatic selection Select a interface which the printer received data first after power ON. If it passes 10 seconds after interruption of data receiving, it will be idle status (any interface is not selected) and will select a interface which the printer received data first. Interface state and interface selection When the parallel interface is not selected, the interface goes into the busy status. Only reverse communication can be done at this time. When the printer is initialized or returned to the idle state, the parallel interface becomes ready status, the USB interface becomes non NACK reply status, and the option interface resets OFF-LINE bit of Main Status Register (MNSTS). INIT signal on the parallel interface is not effective while that interface is not selected or nibble Mode , ECP Mode. Product Description Interfaces 97