Table of Contents
Advertisement
Pin
Functionson Interfaces
Parallelinterface
Pin No.
1
2
3
4 —-
5
6
8
9
10
11
12
13
14-15
16
17
18
19-30
Signal
Name
STROBE
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
DATA8
~K
BUSY
PAPER
OUT
SELECTED
N/C
SIGNAL
GND
CHASSIS
GND
+5VDC
GND
Direction
IN
IN
IN
IN
IN
IN
IN
IN
rN
OUT
OUT
OUT
OUT
Function
GoesfromHighto Low (for at
least0.5 microseconds) w hen
data Mevalid.
Eight-bitcharacterdata.
DATA8is the mostsignificant
bit; DATA1is the least
significant b it. High is logic 1
andLow is logicO.
A lowpulseacknowledges
receiptof data.
Low whentheprinteris ready
to acceptdata.
GoesHighif the printerruns
out of paper.
Hi~hwhentheminteris online
Unused
Signalground.
1-
-
Printer'schassisground,
isolatedfromsignalground.
OUT
External
SUDDIV
of + 5VDC
I
Twistedpair returnsignal
groundlevel.
-
31
m
IN
Low inputresetstheprinterto
its power-oncondition.
32
ERROR
OUT
GoesLow to signalthatthe
printercannotprintdue to an
errorcondition.
33
EXT GND
Externalground.
34-36 NIC
Unused
170
Advertisement
Table of Contents
