Epson Stylus Pro 7600 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
Product Description
PARALLEL INTERFACE TIMING CHART
Parameter
tsetup
thold
tstb
tready
tbusy
1
tt-out*
2
tt-in*
treply
tack
tnbusy
tnext
Note *1: Rise and fall time of every output signals
*2: Rise and fall time of every input signals
Interfaces
Figure 1-19. Timing Chart
Table 1-54.
Minimum Maximum
500 ns -
500 ns -
500 ns -
0 -
- 500 ns
- 120 ns
- 200 ns
0 -
Typical 2us
0 -
0 -
Revision A
92