Epson LQ-2550 Technical Manual page 98

From
CPU
ACK
I
HOST
DIN 1-8
Figure 2-45. 8-Bit Parallel Interface Timing
PE
H Disable
L
L
H
INITIAL IZE
x
1
Table 2-33. 8-Bit Parallel l/F Signals
BUSY
Goes high, when
STROBE pulse is sent
from host.
H
2-51
READ DATA
I
VALID DATA
PRINTER
ON-LINE
OFF-LINE
An error has
occurred. (for error
conditions, refer to
Section 1.7.1.)
OFF-LINE
Paper end has
o c c u r r e d .
1J
HOST
Acknowledge:
READY
NOT READY
PAPER END