Oki B4100 Maintenance Manual page 80

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7) Timing charts
a) Power-ON (Menu Setting: PARALLEL=ENABLE)
Printer
Status
PError
nAck
Busy
nFault
Select
b) Power-ON (Menu Setting: PARALLEL=DISABLE)
Printer
Status
PError
nAck
Busy
nFault
Select
c) Data Reception (Menu Setting: Ack/Busy Timing=Ack in Busy)
nStrobe
Busy
nAck
42640901TH Rev.1
Power ON
Power OFF
Initializing H/W
H
L
H
L
H
L
H
L
H
L
Power ON
Power OFF
Initializing H/W
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
Menu Setting
(Ack Width)
T(ACK )
Notice of Transition to On-line
Initializing F/W
Initializing F/W
T(ACK)
NARROW
MEDIUM
0.5µs
1.0µs
Oki Data CONFIDENTIAL
Idle
DISABLE
WIDE
3.0µs
80 /

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