Setup guide
4–6 Printer Interfaces
Centronics Parallel Interface
The Centronics parallel interface enables the printer to operate with
controllers designed for buffered Centronics printers. The length of the data
cable from the host computer to the printer must not exceed 15 feet
(5 meters).
Table 4–2. Centronics Interface Connector Pin Assignments
Input Signals Output Signals Miscellaneous
Signal Pin Signal Pin Signal Pin
DATA LINE 1 2
Return 20
ACKNOWLEDGE 10
Return 33
CHASSIS GROUND
17
DATA LINE 2 3
Return 21
ONLINE 13, 32 GROUND 14
DATA LINE 3 4
Return 22
PAPER EMPTY 12
Return 16
Spares 18, 30, 31
DATA LINE 4 5
Return 23
BUSY 11
Return 28
No connection
34, 35, 36
DATA LINE 5 6
Return 24
DATA LINE 6 7
Return 25
DATA LINE 7 8
Return 26
DATA LINE 8 9
Return 27
DATA STROBE 1
Return 19
PAPER INSTRUCTION 15
Return 29