Centronics Parallel Interface
A - 2
OL600e/610e/610e-PS/610e-S
Service Manual, P/N 59271602
Pin No.
Signal name
Signal direction
Functions
1
2
3
4
5
6
7
8
9
11
12
13
14
15
16
18
19
30
31
32
33
34
35
36
DATA STROBE
DATA BIT - 1
DATA BIT - 2
DATA BIT - 3
DATA BIT - 4
DATA BIT - 5
DATA BIT - 6
DATA BIT - 7
DATA BIT - 8
BUSY
PAPER END
SELECT
AUTOFEED
-
0V
+5V
0V
INPUT PRIME
FAULT
0V
-
HILEVEL
SELIN
10
→
PR
→
PR
←
PR
←
PR
←
PR
→
PR
←
PR
→
PR
←
PR
←
PR
→
PR
Parallel data sampling strobe
PR Parallel input data
During print processing or during alarm
End of paper
Select state (ON-LINE)
Auto feed
(Not used)
Signal ground
50 mA max.
Signal ground
Initializing signal
End of paper or during alarm
Signal ground
(Not used)
High level (3.3 k
Ω
)
Select in
ACKNOWLEDGE
←
PR
Completion of data input or end of
functioning
17
CHASSIS
GROUND
Chassis ground
:
:
3)
Table of Parallel I/F Signals
• Connector pin arrangement