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FX Series
Epson FX Series Product Support
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EPSON
PRINTER
4.17
CARRIAGE
(MX
Series)
Refer
to
Figure
4-28.
Removal
1.
Remove
Upper
Case
(4.1).
2.
Remove
Printer
Mechanism
(4.7).
3.
Disconnect
CN6
from
MDRI
4.
Disconnect
Carriage
Cable
from
Terminal
Board.
5.
Remove
nut
from
right
end
of
Front
Carriage
Shaft.
6.
Remove
E-ring
from
right
end
of
Front
Carriage
Shaft.
7.
Move
Carriage
to
right
side
of
printer.
8.
Loosen
nut
0)
on
left
end
of
front
Carriage
Shaft.
9.
Slide
shaft
out
and
to
the
left.
Remove
shaft.
10.
Loosen
Ribbon
Drive
Assembly
(2).
11.Remove
the
springs
(3)
at
each
end
of
the
Bail
Assembly.
12.Remove
nut
and
adjustina
lever
(4)
from
left
end
of
Rear
Carriage
Shaft.
13.
Remove
E-ring
and
bushing
(5)
from
left
end
of
Tractor
Feed
Shaft.
14.Remove
the
2
screws
(6)
securing
the
Platen
to
the
left
frame.
15.
Remove
screw
(7)
at
the
bottom
center
of
left
frame.
16.Loosen
nut
(8)
on
the
Top
Tractor
Feed
Shaft.
17.Slide
left
frame
back
and
up.
IS.SIide
left
frame
out
to
remove
Rear
Carriage
Shaft,
Bail
Assembly
and
Carriage.
REPAIRS/ADJUSTMENTS
I^^pl^^ement
1.
Reassemble
in
reverse
order.
2.
Perform
Print
Head
Adjustment
(4.8.1).
3.
Perform
Timing
Belt
Tension
Adjustment
(4.11.1).
Figure
4-2
Left
view
of
Printer
Mechanism
Figure
4-28
4-11
109
111
Table of Contents
Table of Contents
3
Default Chapter
4
How to Use this Manual
4
Introduction
4
1 Principles of Operation
5
Principles of Operation
10
2 Wiring Data
19
Table of Contents
34
Default Chapter
36
Introduction
36
1 Service Call Procedures
37
Getting Started
37
Initial Checks
37
Power2-2
42
Alarm Sounds at Power on
45
Paper out Not Sensed
46
Abnormal Carriage Operation
47
Incorrect Paper out Tones
48
Paper Feed Motor
49
Incorrect Control Panel Status 2
49
Incorrect Printing
50
Dots or Characters Missing
51
Ribbon Not Advancing
52
On-Line/Off-Line Mode Malfunction
53
Incorrect Operation with Host Computer
53
3 Parts Lists
69
FX-80/80 + /85 Covers and Electrical Components
81
Printer Mechanism Components
83
Printer Mechanism Components (Part 2)
85
Repairs/Adjustments
100
Upper Case Assembly
100
Control Panel
100
Power Transformer
100
Fuse and Filter Circuit Board
101
Daughter Board
101
Control Circuit Board (Main Board)
101
Printer Mechanism
101
Print Head Unit
102
Print Head Adjustment
103
Home Position (HP) Sensor Assembly
103
HP Sensor Adjustment
103
Timing Belt Motor Assembly
104
Timing Belt Motor Adjustment
105
Timing Belt
105
Timing Belt Tension Adjustment
105
Ptssensor Board Assembly
106
Ptssensor Adjustment
106
Paper Feed Motor Assembly
107
Paper Feed Motor Adjustment
107
PE Board Assembly
108
Integrated Circuits
108
Carriage (Fxseries)
109
Carriage (MX Series)
110
5 Final Actions
112
Introduction
112
Lubrication
112
Printer Cleaning
121
6 General
122
Specifications
122
Special Tools and Supplies
123
Dipswitch Settings
123
IC Locations
135
Interface Boards
140
Dipswitch Settings for Interface Boards
140
Install Checklist
150
Revisions to the Manual
150
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User Manual
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Epson FX Series Specifications
General
Connectivity
Parallel
Paper Handling
Friction feed, Tractor feed
Emulation
Epson ESC/P
Noise Level
55 dB(A)
Print Method
Impact dot matrix
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