Epson EPL-7000 User Manual - Page 217
Notes, Technical Specifications, or BUSY signal. Data transfer to this printer can be carried
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Interface Specifications Signal Return Pin Pin 35 - 36 - Signal +5v SLCTIN Direction Description - Pulled up to 5V through 3.3K ohm resistance. IN The DC1/DC3 control codes are valid only when this signal is HIGH (SLCTIN set to OFF). This setting can be changed with SelecType. Sampling is carried out only when the power is on. Notes: l All interface conditions are based on TTL level. Both the rise and fall of each signal must be less than 0.2 microseconds. • Data transfer must be carried out by observing the ACKNLG or BUSY signal. (Data transfer to this printer can be carried out only after the receipt of the ACKNLG signal or when the level of the BUSY signal is LOW. • The column heading "Direction" refers to the direction of signal flow as viewed from the printer. • "Return" denotes the twisted-pair return to be connected at signal ground level. For the interface wiring, be sure to use a twisted-pair cable for each signal and to complete the connection on the return side. These cables should be shielded and connected to the chassis of the host computer and the printer. Technical Specifications 8-11