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EPSON LQ-300
Environmental
Temperature:
Operation:
5 to
35OC
(41 to 95°F)
Operation (film ribbon):
15 to
35OC
(59 to
95OF)
Operation (envelopes, labels, or recycled paper):
15 to
25OC
(59 to
77OF)
Storage:
-20 to
55OC
(-4 to
13lOF)
Humidity (without condensation):
Operation:
5 to 80% RH
Operation (film ribbon):
lOtow%RH
Operation (envelopes, labels, or recycled paper):
2oto6o%RH
Storage:
5
totE%RH
Safety approvals
Safety standards:
US model
UL1950 with D3, CSA22.2 No.950 with D3
.-\
European
EN 60950
(TUV)
model
IEC 950 (SEMKO, DEMKO, NEMKO,
SETI)
RFk
US model
FCC part 15 subpart B class B
European
Vfg 243 (VDE 0878 part 3, part 30)
model
EN 55022 (CISPR Pub. 22) Class B
Interface Specifications
Your printer is equipped with an
ETA-232D
serial interface
and a
Centronics@~ompatible
parallel interface. The printer
switches automatically to the appropriate interface when it
receives data.
Parallel interface specifications
The parallel interface has the following characteristics.
Data format:
8-bit
Synchronization: STROBE pulse
Handshaking:
BUSY and ACKNLG signals
Signal level:
TTL compatible
Connector:
36-pin 57-30360 Amphenol connector or
equivalent
Serial interface specifications
The serial interface has the following characteristics.
Bit rate:
300,600,1200,2400,4800,9600,19200 bps
(selectable)
Word length:
Data format
7 or 8-bit (selectable)
Start bit
1 bit
Parity bit
Odd, even, or none (selectable)
Stop bit
1 bit
Synchronization: Asynchronous
Handshaking:
DTR protocol,
XON/XOFF
protocol
ETX/ACK protocol (selectable)
Parity check:
Odd, even, or no panty bit (selectable)
Connector:
ETA
standard,
25pin,
D-SUB, female
COMector
Serial
pin assignments
The following table lists the serial connector pin assignments
and describes their respective interface signals.
~PlnNaIsgml
!-
p-w=
1
1
Rateah
hIld
(ffi)
-
RbwsdmsaisQound
2
TmmiIWData(TXCWD).
out
Rbkh8ahnmnimdawidd
3
Fbaiuadoeb(Fu(DIRD)
4
In
Rbbrhesraoeimd~d
4
fh-bS@nd(RTSIRS)
out
kw*
7
srpnrl-W90)
-
Rebmphbrdahamlrds@@s
11
ihrseohamd
out camecbdtoun20
20
~~T~~~IARu~(DTRER)
out
PoiliveMenhepinbrismadytoacuwtdah
rdmgdwhmReprWrisnotrsdy
The Control Panel
sul8selif0
0
Courie*
0
You can control simple printer
operatio-uch
as line
feeding, form feeding, loading and ejecting paper, and
selecting fonts-with the buttons on the control panel. The
control panel lights show the printer’s status and the current
font.
Dot Matrix Printers
10/2/94
EPSON LQ-300-3