Service ManualY100250-4
3-11
3.4.3 OPTIONAL IEEE 1284 PARALLEL INTERFACE CARD
The optional parallel interface card hosts a 36-pin Centronics parallel interface. It is installed in the
specific slot alongside the first serial interface on the rear of the printer. It is suggested to use an interface
cable up to 1.5 meters long. The ECP data exchange protocol is used.
This card is shown in the following figure.
Fig. 3-9 Parallel Interface Card
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 INIT.
32 ERROR
33 LOGIC GROUND
34 NC
35 +5 V (PULL-UP; 3.3K ohm)
36 INPUT / SELECT IN
FRAME GROUND 17
ACKNOWLEDGE 10
AUTOFEED XT 14
PAPER EMPTY 12
LOGIC GROUND 16
STROBE 01
DATA 1 03
DATA 2 04
DATA 3 05
DATA 4 06
DATA 5 07
DATA 6 08
DATA 7 09
BUSY 11
NC 15
+5 V 18
ON LINE 13
DATA 0 02
Fig. 3-10 Parallel Interface Pin-Out
CENTRONICS
INTERFACE
CONNECTOR J1 FOR
CONNECTION TO
THE MAIN BOARD
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