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5j"/M|
C
COMPUTERFACTS"
EPSON
MODEL
RX-80
PRELIMINARY SERVICE
CHECKS
This data provides the user with a time-saving
service
tool
which
is
designed
for
quick
isolation
and
repair of printer
malfunctions.
o
00
z
><
uj
Q
O
o
Check
ail
interconnecting cables
for
good
connection
and
correct
hook-up
before
making
service
checks.
Replacement
or
repair of
the
AC
Switch
Board, Control
Board,
Function Switch Panel Board,
or
connectors
may
be
necessary
after
the malfunction
has
been
isolated.
TEST
EQUIPMENT
AND
TOOLS
TEST
EQUIPMENT
Digital
Volt/Ohm Meter
Logic
Probe
Transistor Tester
TOOLS
Phillips
Screwdriver
Small Screwdriver
Needlenose
Pliers
9/32"
End
Wrench
Solvent
for
Timing
Belt
PARTS
LIST
AND
DESCRIPTION
ITEM NO.
PART
NO.
DESCRIPTION
Fuse(1A
@250V
S10-B10)
Print
Head
Timing
Belt
Motor Assembly
Paper Feed Motor
Assembly
Electrolytic
Capacitor
6800/iF
@50VDC
Electrolytic
Capacitor
6800/iF
@25VDC
Electrolytic
Capacitor
2200/iF
©50VDC
Electrolytic
Capacitor
330/iF
@10VDC
Transistor
25A1015Y
Regulator Transistor
2SC2516
Regulator Transistor
2SB772
Regulator
IC
/*PC305C
Regulator
IC
78L05A
Bridge
Rectifier
3B4B41
Bridge
Rectifier
1B4B1
Zener Diode
4.8V
H25B-2
Choke
Coil (200/iH)
Choke
Coil
Power
Transformer
F1
X502040020
H1
F401
500000
M1
F31 601 4000
M2
F316016000
C1
X202596820
C2
X202396820
C3
X202592220
C4
X2001 43310
Q23,Q24,Q25 X300101502
Q26
X302251600
Q28
X301 077251
10C
X4401 93050
SR1
X440078051
DB1
X340400060
DB2
X340400030
ZD4
X330000059
L1
Y435201003
L2
Y435201002
T1
Y435501300
0PA
Howard W. Sams &
Co.,
Inc.
4300
West
62nd
Street,
P.O.
Box
7092, Indianapolis, Indiana
46206
U.S.A.
The
listing
of
any
available
replacement
part
herein
does
not
constitute
in
any case
a
recommendation, warranty
or
guaranty by
Howard W, Sams S
Co.,
Inc.,
as to the quality
and
suitability of
such
replacement
part.
The
numbers
of
these
parts
have been compiled
from
information furnished
to
Howard W. Sams
£
Co.,
Inc.,
by the
manufacturers
of
the
particular
type
of
replacement
part
listed.
Reproduction
or use,
without express permission,
of editorial or pictorial
content,
in
any manner,
is
prohibited.
No
patent
liability
is
assumed
with
respect
to
the
use
of
the information
contained
herein.
©
1985
Howard W.
Santa
&
Co.,
Inc.
4300
West
62nd
Street,
P.O.
Box
7092, Indianapolis,
Indiana
46206
U.S.A.
Printed
in
U.S. of
America
85CP-14953
DATE
6-85
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