Epson 9600 Service Manual - Page 92

EPSON Stylus Pro 7600/9600 6: Do not perform data transfer by ignoring the -ACKNLG signal or BUSY signal. (Data transfer to this printer must be executed by checking the level of the -ACKNLG signal or when the BUSY signal is "LOW".) 7: Assign appropriate character codes to DATA0 ~ 7 of the interface connector ("1" for open to GND and "0" for short to GND) and connect the BUSY signal line and the STROBE signal line. Then without using any external equipment, you can conduct printing test of the printer including the interface circuit PARALLEL INTERFACE TIMING CHART Revision A Product Description Figure 1-19. Timing Chart Parameter tsetup thold tstb tready tbusy tt-out*1 tt-in*2 treply tack tnbusy tnext Table 1-54. Minimum Maximum 500 ns - 500 ns - 500 ns - 0 - - 500 ns - 120 ns - 200 ns 0 - Typical 2us 0 - 0 - Note *1: Rise and fall time of every output signals *2: Rise and fall time of every input signals Interfaces 92