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Service Guide OKIPAGE6e
Chapter A Centronics Parallel Interface
Connector
Printer side
36-pin receptacle
(single port) Type 57-40360-12-D56 (made by Daiichi Denshi) or
equivalent
Cable side
36-pin plug
Type 57-30360 (made by Daiichi Denshi) or equivalent Plug-552274-1 (AMP),
552073-1 (AMP) or equivalent
Cable
IEEE std
1284-1994 compliant cable is recommended for noise prevention.
Cable length
6 ft (1.8 m) max.
Note: Cable is not supplied.
Table of Parallel Interface Signals
Pin
No.
Signal Name
Signal
Direction
Logic
Compatibl
e
Nibble
ECP
Functions
1
Data Strobe
® Printer
Negative
nStrobe
Host Clk
HostClk
Data strobe
2-9
Data Bit n
« Printer
Positive
Data 1(LSB) ~ 8(MSB)
Data line from/to
host
10
Acknowledge
Printer ®
Negative
nAck
PtrClk
PeriphClk
Completion of
reception or
function
11
Busy
Printer ®
Positive
Busy
PtrBusy
PeriphAck
Data reception not
possible
12
Paper End
Paper End Positive
PError
AckDataRe
q
nAckRevers
e
No paper
13
Select
Printer ®
Positive
Select
Xllag
Xflag
On-line
14
Auto Feed
® Printer
Negative
nAutoFd
HostBusy
HostAck
Mode switch
request
15
-
-
-
Not defined
Not used
16
0V
-
-
Logic Gnd
Signal ground
17
Chassis
Ground
-
-
Chassis Gnd
Frame ground
18
5V
Printer ®
-
Peripheral Logic High
Power supply
(max. 50mA)
19
0V
-
-
Signal Ground (nStrobe)
Signal ground
20-2
7
0V
-
-
Signal Ground (Data 1~
8)
Signal ground
28
0V
-
-
Signal Ground (PError,
Select, nAck)
Signal Ground
29
0V
-
-
Signal Ground (Busy,
nFault)
Signal ground
30
0V
-
-
Signal Ground (nAutoFd,
nSelectln, nlnit)
Signal ground
Содержание Okipage6e
Страница 6: ...Table of Contents Page 6 PARTS LIST 156...
Страница 9: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Страница 11: ...4 High Capacity Second Paper Feeder 5 Multi Purpose Feeder...
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Страница 115: ...Page 63 Service Guide OKIPAGE6e Chapter 6 Troubleshooting Procedures...
Страница 118: ...Page 65 Service Guide OKIPAGE6e Chapter 6 Troubleshooting Procedures...
Страница 135: ...Page 81 Service Guide OKIPAGE6e Chapter 7 Wiring Diagram...
Страница 143: ...Page 83 Service Guide OKIPAGE6e Chapter 7 Wiring Diagram...
Страница 156: ...Item I PRIME Contents of Display Function OFF I PRIME signal ignored ON I PRIME signal effective Factory Setting OFF...
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