Oki B4350 - Page 99

42641101TH Rev.1 99 /
Oki Data CONFIDENTIAL
7) Timing charts
a) Power-ON (Menu Setting: PARALLEL=ENABLE)
Power OFF Initializing H/W Initializing F/W Idle
Power ON
Notice of Transition to On-line
H
L
H
L
H
L
H
L
H
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Printer
Status
PError
nAck
Busy
nFault
Select
Printer
Status
Power OFF Initializing H/W Initializing F/W DISABLE
Power ON
PError
H
L
nAck
H
L
Busy
H
L
nFault
H
L
Select
H
L
nStrobe
H
L
Busy
NARROW MEDIUM WIDE
H
L
nAck
T(ACK)
Menu Setting
(Ack Width)
T(ACK ) 0.5µs 1.0µs 3.0µs
H
L
b) Power-ON (Menu Setting: PARALLEL=DISABLE)
c) Data Reception (Menu Setting: Ack/Busy Timing=Ack in Busy)