Canon BJ-10sx User Manual

Page 104

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Pin assignments
The following table lists the signals and input/output status of the pin
assignments used for parallel communication.

1

All-RETs are connected to GND.

2

These signals are valid only in Epson LQ printer control mode.

3

The level is raised to +5.0V at 5.6k.

Each signal is defined as follows:

STROBE
When the printer receives the STROBE low pulse with a width greater
than one second from the computer, it reads the data from the interface
and sets the BUSY line high.

No. Signal

I/O

No. Signal

I/O

1

STROBE

IN

19

STROBE-OUT

1

2

DATA 1

IN

20

DATA 1-RET

3

DATA 2

IN

21

DATA 2-RET

4

DATA 3

IN

22

DATA 3-RET

5

DATA 4

IN

23

DATA 4-RET

6

DATA 5

IN

24

DATA 5-RET

7

DATA 6

IN

25

DATA 6-RET

8

DATA 7

IN

26

DATA 7-RET

9

DATA 8

IN

27

DATA 8-RET

10

ACKNLG

OUT 28

ACKNLG-RET

11

BUSY

OUT 29

BUSY-RET

12

PAPER END

OUT 30

PAPER END-RET

13

SELECT

OUT 31

INIT

IN

14

AUTO FEED XT

2

32

ERROR

OUT

15

NO CONNECTION

33

GND

16

GND

34

NO CONNECTION

17

FG

35

+5.0V

3

18

NO CONNECTION

36

SELECT IN

2

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