Oki B4500 Maintenance Manual page 103

3) Table of Parallel I/F Signals
Pin No. Signal name
1 DATA STROBE
2 DATA BIT - 1
3 DATA BIT - 2
4 DATA BIT - 3
5 DATA BIT - 4
6 DATA BIT - 5
7 DATA BIT - 6
8 DATA BIT - 7
9 DATA BIT - 8
10 ACKNOWLEDGE
11 BUSY
12 PAPER END
13 SELECT
14 AUTOFEED
15 -
16 0V
CHASSIS
17
GROUND
18 +5V
19
:
0V
:
30
31 INPUT PRIME
32 FAULT
33 -
34 -
35 -
36 SELECT IN
• Connector pin arrangement
43502101TH Rev.1
Signal direction
PR Parallel data sampling strobe
PR PR Parallel input and output data
Completion of data input or end of a
PR
function
PR During print processing or alarm
PR End of paper
PR Select state (ON-LINE)
PR Request to change mode
(Not used)
Signal ground
Chassis ground
PR 50 mA max.
Signal ground
PR Initializing signal
PR End of paper or during alarm
Signal ground
(Not used)
High level (3.3 kΩ)
PR Request to change mode
Oki Data CONFIDENTIAL
Functions
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