Oki B430

Appendix A Centronics Parallel Interface
43984801TH Rev.1
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Oki Data CONFIDENTIAL
nStrobe
PError
H
L
H
L
H
L
nAck
T (ACK)
nStrobe
PError
H
L
H
L
H
L
nAck
T (ACK) / 2 T (ACK) / 2
C) Data Reception (Menu Setting: Ack/ Busy Timing= Ark in Busy)
d) Data Reception (Menu Setting: Ack/ Busy Timing= Ark in Busy)
e) I-Prime (When Menu Setting is not I-PRIME=DISABLE)
Idling Idling
I/F initialization
nInit
H
L
H
L
Busy
T (INIT)
Printer
Status
Send and
Receive Buffer
Clear
Job
Cancel
Menu Setting (Ack Width) NARROW MEDIUM WIDE
T (ACK) 0.5 us 1.0 us 3.0 us
Menu Setting (I-PRIME) 3 MICRON SEC 50 MICRON SEC
T (INIT) 2.0 us 33.3 us
Menu Setting (Ack Width) NARROW MEDIUM WIDE
T (ACK) 0.5 us 1.0 us 3.0 us