6.7.4 Centronics
The 36‐pin Centronics on the printer uses parallel communication, and complies with IEEE
1284 compatibility mode (also called SPP, Standard Parallel Port). The figure below shows its
pinout.
18
36
Pin
Signal Direction
1
To Printer
2
To Printer
3
To Printer
4
To Printer
5
To Printer
6
To Printer
7
To Printer
8
To Printer
9
To Printer
10
From Printer
11
From Printer
12
From Printer
13
From Printer
14
‐
15
‐
16‐17
Ground
18
‐
Signal
DATA•STB
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
Data 8
/ACK
BUSY
PE
SELECT
/AUTOFD (Not Used)
NC
GND
+5V
1
19
Pin
Signal Direction
19
Ground
20
Ground
21
Ground
22
Ground
23
Ground
24
Ground
25
Ground
26
Ground
27
Ground
28
Ground
29
Ground
30
Ground
31
‐
32
From Printer
33
Ground
34‐35
‐
36
‐
‐ 48 ‐
B‐FV700‐BLTH‐QM‐R
Signal
TWISTED PAIR GND (PIN1)
TWISTED PAIR GND (PIN2)
TWISTED PAIR GND (PIN3)
TWISTED PAIR GND (PIN4)
TWISTED PAIR GND (PIN5)
TWISTED PAIR GND (PIN6)
TWISTED PAIR GND (PIN7)
TWISTED PAIR GND (PIN8)
TWISTED PAIR GND (PIN9)
TWISTED PAIR GND (PIN10)
TWISTED PAIR GND (PIN11)
TWISTED PAIR GND (PIN31)
/INIT (Not Used)
/FAULT
GND
NC
/SELECTIN (Not Used)