Epson Stylus COLOR 800 Service Manual page 22

EPSON Stylus &2/25 800
The ERROR signal is at a LOW level 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 a paper-out error.
‰Data Transmission Timing (Forward Channel)
Parameter
Note: tt-out shows the rise and fall time of every output signal.
1-14
Table 1-15. Data Transmission Timing
Minimum
tsetup
thold
tstb
tready
tbusy
tt-out
tt-in
treply
tack
tnbusy
tnext
tt-in shows the rise and fall time of every input signal.
Figure 1- 6. Data Transmission Timing
Maximum
500 ns
500 ns
500 ns
0
—
—
—
—
500 ns
0
0
—
—
—
—
500 ns
120 ns
200 ns
—
10 µs
—
—
Rev. A