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Epson RX-80 Technical Service Data page 15

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GENERAL OPERATING
INSTRUCTIONS
PRINTER
STATUS
(SW1)
AND
LINE
FEED STATUS
(SW2)
SW1
On
Off
1
Compressed
Not
Compressed
2
Graphics Character
Set
Control
Codes
3
Beeper
Off
Beeper
On
4
12-inch
Form
11-inch
Form
5
Paper
Out Sensor
Off
Paper
Out Sensor
On
6
USA
(International
Character
Set)
7
USA
(International
Character
Set)
8
USA
(International
Character
Set)
SW2
On
Off
1
Slashed Zero
Regular Zero
2
Printer
Select
On
Printer
Select Off
3
Auto
Line
Feed
with
Carriage Return
Line
Feed from Host
4
One
inch
Skip
Over
Perf
Normal (No
Perf)
PRINTER SELF-TEST
To
use
the
built-in
self-test
function, put
paper
in
the
printer
and
hold
down
the
LF
(Line
Feed) button while
turning
On
the
printer.
ON
LINE,
FF
AND
LF
BUTTONS
Printer
is
On
Line
(Ready
to receive
data
from
the
computer)
when
all
three given
LED's
are
On.
The
printer
is
Off Line
when
only the top
green
LED
is
On.
Pressing the
On
Line button
once
puts the
printer
Off Line
and
pressing
it
again puts the
printer
back
On
Line.
The
printer
must
be
Off Line
for
the
FF
(Form
Feed)
and LF
(Line
Feed) buttons
to function.
TEST
EQUIPMENT
Test
Equipment
listed
by Manufacturer
illustrates typical
or
equivalent
equipment used by
SAMS'
Engineers
to
obtain
measurements and
is
compatible
with
most
types
used by
field
service technicians.
Equipment
Name
B
&
K
Precision
Equipment
No.
Simpson
Equipment
No.
OSCILLOSCOPE
1570A,1590A,1596
454
LOGIC
PROBE
DP51
LOGIC PULSER
DP101
DIGITAL
VOM
2830
463,467,470,474
ANALOG VOM
277
260-7
ISOLATION
TRANSFORMER
TR
110,1604,1653,1655
FREQUENCY COUNTER
1803,1805
710
COLOR
BAR GENERATOR
121
1A,1248,1251,
1260
431
DISK DRIVE
ANALYZER
FUNCTION
GENERATOR
3020
420A.420D
HI-VOLTAGE
PROBE
HV-44
248

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