Epson STYLUS COLOR 3000 Service Manual page 23

When the parallel interface is not selected.
The /ERROR signal is LOW when one of the following errors has occurred:


Printer hardware error (fatal error)


Paper-out error


Paper-jam error


Ink-out error
The PE signal is HIGH during paper-out error.
Note: tt-out shows the rise and fall time of every output signal.
tt-in shows the rise and fall time of every input signal.
Typical time of tack is shown in Table 1-20.
EPSON Stylus Color 3000 Service Manual
DATA
DATA (n)
STROBE
0.5 µs
0.5 µs
(minimum)
(minimum)
BUSY
ACKNLG
Figure 1-8. Data Transmission Timing
Table 1-19. Data Transmission Timing
Parameter
tsetup
thold
tstb
tready
tbusy
tt-out
tt-in
treply
tack
tnbusy
tnext
Table 1-20. Typical Time of Tack
Parallel I/F transfer rate
Fast
Normal
DATA (n+1)
0.5 µs
(minimum)
0 µs
(minimum)
0 µs
(minimum)
0 µs 5 µs
(minimum) (typical)
Minimum Maximum
500 ns
500 ns
500 ns
0
-
-
-
-
500 ns
0
0
Typical time of tack
1µs
3µs
EPSON Stylus COLOR 3000
-
-
-
-
500 ns
120 ns
200 ns
-
10 µs
-
-
1-17