
SPRT
6
2.2Paper Installation
POS58VIadopts 57.5±0.5mm widththermalpaper.
Thesteps of thermalpaperinstallationareasthefollowing:
1. Whenthereis nopaperintheprinthead, pls don’tpress【FEED】buttonto
avoidaffectingthelifeof printinghead. Opening openbutton toopenthe
casecoverand changepaper.
2. Afterpapercasecoveris closed, plsdo notdraw thepaperforwards or
backwards withhands.
2.3Interface Connection
2.3.1ParallelInterface Connection
TheParallelinterfaceof POS58VIprinteris compatiblewithCENTRONICS,
supports BUSYand /ACK handshakingprotocol,it usesDB25 socket(male),
thepinorderof parallelportis asbelowshows:
Pin Order ofParallelPort
Thepinassignmentof parallelinterface is shownasbelow:
PinNo. Signal Direction Description
1 /STB In Strobepulsetolatch data,
reading occursatraisingedge.
2
3
4
5
6
7
8
9
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
DATA8
In
In
In
In
In
In
In
In
Thesesignals representthe1
st
bit to8
th bit of theparallel
interface data,eachsignalisat
HIGHT levelwhendatais
logic1,and LOWwhendatais
logic0.
10 /ACK Out
Answerpulse, LOWlevel
signalindicatesthatdatahave
alreadybeenreceivedand the
printergets readytoreceivethe
nextdata.
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