“ All rights reserved. Reproduction of any part of this manual in any from
whatsoever without
“ The contents of this manual are subject to change without notice.
“ All efforts have been made to ensure the accuracy of the contents of this manual.
However, should any errors be detected,
being informed of them.
“ The above notwithstanding
errors in this manual or the consequences thereof.
SEIKO EPSON’S express written permission is forbidden.
SEIKO EPSON would greatly appreciate
SEIKOEPSON can assume no responsibility for any
(L
Copyright 1988 by SEIKO EPSON CORPORATION
Na,ga
no, Japan
-i-
(,.
. . . .
”
PREFACE
This manual describes functions, theory of electrical and mechanical
FX-
operations, maintenance, and repair of the FX-850 and
The instructions and procedures included herein are intended for the
experienced repair technician, and attention should be given to the
precautions on the preceding page. The chapters are organized as follows:
1050.
REV.-A
Chapter 1 -
Chapter 2 -
Chapter 3 -
Chapter 4 -
Chapter 5 -
Chapter 6 -
● The contents of this manual are subject to change without notice.
Provides a general product overview, lists specifications,
and illustrates the main components of the printer.
Describes the theory of printer operation.
Discusses the options
Includes a step-by-step guide for product disassembly,
assembly, and adjustment.
Provides Epson-approved techniques for troubleshooting.
Describes preventive maintenance techniques and lists
lubricants and adhesives required to service the equipment.
– iv
–
REV.-A
REVISION
REVISION TABLE
DATE ISSUED
CHANGE DOCUMENT
g,},
. .. .
.
A
February 15, 1988
1st issue
-v-
f--;
REV.-A
PRECAUTIONS
Precautionary notations throughout the text are categorized relative to 1 ) personal injury, and 2) damage
to equipment:
DANGERSignals a precaution which, if ignored, could result in serious or fatal personal
injury. Great caution should be exercised in performing procedures preceded by
a DANGER headings.
WARNINGSignals a precaution which, if ignored, could result in damage to equipment.
The precautionary measures itemized below should always be observed when performing repair/maintenance procedures.
DANGER
1. ALWAYS DISCONNECT THE PRODUCT FROM BOTH THE POWER SOURCE AND THE
HOST COMPUTER BEFORE PERFORMING ANY MAINTENANCE OR REPAIR
PROCEDURE.
2. NO WORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMILIAR WITH
BASIC SAFETY MEASURES AS DICTATED FOR ALL ELECTRONICS TECHNICIANS IN
THEIR LINE OF WORK.
3. WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL, DO NOT
CONNECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO. WHEN
THE POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN
WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS.
WARNING
REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON
1.
CERTIFIED REPAIR TECHNICIAN.
2. MAKE CERTAIN THAT THE SOURCE VOLTAGE IS THE SAME AS THE RATED
VOLTAGE, LISTED ON THE SERIAL
UCT HAS A PRIMARY-AC RATING DIFFERENT FROM THE AVAILABLE POWER
SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.
3. ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE
POWER SOURCE BEFORE REMOVING OR REPLACING PRINTED CIRCUIT BOARDS
AND/OR INDIVIDUAL CHIPS.
4. IN ORDER TO PROTECT SENSITIVE
DISCHARGE EQUIPMENT, SUCH AS ANTI-STATIC WRIST STRAPS, WHEN ACCESSING INTERNAL COMPONENTS.
5. REPLACE MALFUNCTIONING COMPONENTS ONLY WITH THOSE COMPONENTS
RECOMMENDED BY THE MANUFACTURER; INTRODUCTION OF SECOND-SOURCE
ICS OR OTHER NONAPPROVED COMPONENTS MAY DAMAGE THE PRODUCT AND
VOID ANY APPLICABLE EPSON WARRANTY.
to your requirements. The main features are as follows:
Max. printing speed:
●
Advanced paper handling functions: Auto tear-off
●
●
SelecType function (Any print mode can be selected directly from the front panel). Once a mode is
selected, it is stored in the non-volatile memory, and is selected when the printer power is turned
on.
Two
●
●
●
●
●
●
●
●
●
●
NLQ
Printer driver EPSON
such as
Double-height function
Pitch control is possible in the
Since the IBM emulation mode is standard, these printers are IBM-compatible. The IBM characters
are also standard.
8K-byte
Push tractor unit
Printing is possible on envelopes and labels in addition to fan-fold paper, cut sheets, and roll paper.
User-defined characters are supported in both the Draft and
is registered, it is stored in the non-volatile memory and need not be re-registered. The user-defined
character set can only be selected (as a default character set) using the DIP switches.
Compatible with EPSON optional interface board series #81 XX.
input data buffer (Buffering can be disabled.)
FX-1
050 are serial dot matrix 9-pin terminal
FX-1
050 with
264
CPS
(Draft and Elite)
CPS
220
fonts (Roman and Saris-serif) are standard.
ESC/P-83 is standard. (This driver is compatible with the high class models
Pull Tractor Unit
Pull Tractor Unit
Cut Sheet Feeder (single-bin)
Cut Sheet Feeder (single-bin)
Ribbon Cartridge
Ribbon Cartridge
Ribbon Pack
Table 1-2. Optional Interface Boards
No.
#8 143New serial interface
I
o
o
o
o
o
o
o
o
o
Name
I
#8145
I
I
I
I
I
I
#8172 I 32 K-byte buffer parallel interface
I
IRS-232C
#8 148
#8 149Intelligent serial interface type II
#8 149MIntelligent serial interface type III
#816 1IEEE-488 interface
#8 165Intelligent IEEE-488 interface
#81 72M
current loopinterface type II
Intelligent serial interface
128K-byte buffer parallel interface
-., .
t “’
:.
.
1-2
1.2 SPECIFICATIONS
REV.-A
The
FX-850/l
specifications for the printer.
1.2.1 Hardware Specifications
Printing Method
Pin Configuration
050 communicates
Serial, impact dot matrix
See Figure 1-2 (diameter: 0.29 mm).
with a wide variety of host computers. This section describes the
Wires
I
# 1’
2
~1
4
51 ‘
7
t
4
T
4
t
i
t
--— --
––-
--
———
0.35mm ( 1/72” )
I
---
0.29mm
---
---
t
Figure 1-2. Printhead Pin Configuration
Feeding Method
NOTES: 1. When using friction feed:
● Use the paper tension unit.
● Do not use fanfold paper.
● Do not perform reverse feed beyond than 1/6 inches after the paper end has been
detected.
● Do not use multi-part, single-sheet forms.
2. When using tractor feed:
●
Release the friction feed mechanism.
●
Multiple copies for printing must be finished by pasting them together at the line or dots.
●
Copy paper must be a carbonless multi-part paper.
a) When using push tractor feed:
Use the paper tension unit.
●
Friction feed
Tractor feed (push: standard, pull: optional)
~1
?
I
1-3
REV.-A
● Do not perform reverse feeding for more than 1/6 inches.
● Because accuracy of paper feed cannot be assured, do not perform reverse feeding ‘
after the paper end has been detected.
b) When using pull tractor feed:
● Remove the paper tension unit and mount the pull tractor unit.
● Use the paper path when a single sheet is inserted.
c) When using push-pull tractor feed:
● Remove the paper tension unit and mount the pull tractor unit.
● Do not loosen the paper between the platen and the pull sprocket.
● -Precisely the horizontal position of the pull sprocket and push tractor.
● Do not perform reverse feeding after the paper end has been detected.
Paper Loading Directions
Fanfold paper
Cut sheet paper
Line Spacing
Line Feed SpeedSee Table 1-3.
Inserted from the rear side
Inserted from the up side
1/6” or programmable (min.
Table 1-3. Line Feed Speeds
f’”
1/2 16“)
Type of PaperContinuous FeedIntermittent FeedFeed Speed
NOTE: The form overriding mechanism enables printing as close as 13.5 mm from the bottom edge
of the paper. However, paper feed accuracy is not guaranteed within about 22 mm from the
bottom.
Not available
1-4
Fanfold
Refer to Table 1-5.
Table 1-5. Fanfold Paper Specified Conditions
Width
Copies
Quality
Total Thickness
Weight
paper
Width
[mm]
[sheet]
[mm]
[Kg]
[mm]
FX-850
- 254 (4.0 - 10.0”)101 - 406 (4.0 - 16.0”)~
101
4 (1 original + 3 ) at normal temperature
3 (1 original + 2 ) at all temperature range
Plain paper
0.065 -
Fanfold 45-70 (14 -22 lb)
Multi-part forms 34 - 50 X N (N
Refer to Table 1-6.
Table 1-6. Roll Paper Specifications
I
0.32 (0.0025 -0.01 2“)
s
4)
FX-850
only
FX-1 050
Length
Thickness [mm]
I
Weight[Kg]
Quality
I
Copies
Envelope
Size
Weight
Quality
[mm]
I
I
I
I
Refer to Table 1-7.
Table 1-7. Envelope Specifications
[mm]
[Kg]
Roll diameter not more than 127 mm (5”)
-0.09 (0.0028 - 0.0035”)
0.07
45 - 55
Plain paper
Not available
FX-850/l
166 X 92, 240 X 104
39-
78 (12
Plain, Bond, Air mail
050
-24 lb)
Operating conditions:
Printing must be executed at normal room temperature.
Envelopes must be oriented with the long direction parallel to the carriage.
1-5
REV.-A
Label
Refer to Table 1-8.
Table 1-8. Label Specifications
f:,,,
.
Size
Thickness [mm]
Printable Area
Cut sheet paper
[mm]63.5 X 2.38 (2.5 X 15/16”),
0.12”, 3rnm
or more
0.33”,
or more
r
MOX.14.3”
364mm
101.6 X 2.38 (4 X 15/1 6“)
101.6 X 36.5 (4 X 1 7/1 6“)
less than 0.19 (0.0075”)
See Figure 1-3.
10.1*’
(14.4)”.
Printable area
D
r
i
n
t
a
b
I
e
1-
8.5mm
72 -
L
8m(13.6’’),203.6mm
Aec
T
FX-850/l
182 - 257(366)mm
(354.4 mm)
050
T
7
XYZ
-1
I
-
0.12”, 3mm
or more
a
r
e
a
:1
0.87”, 22mm
or more
NOTES: 1. Values in the parentheses apply to the FX-105O.
2. Printing is possible for approximately 42 mm after the bottom edge of a page has
detected. Thus, the value 13.5 mm (lowest print position) is given for reference only. Paper
feed accuracy cannot be assured in the area approximately 22 mm (0.87”) from the bottom
edge of the page.
Figure 1-3. Cut Sheet Paper Printable Area
A8C
1-
1-6
XYZ
-1
1
I
be~n
REV.-A
Fanfold paper
Printable
area
0.36”,
or
more!
0.35”,
or more
Printabh
area
See Figure 1-4.
P
1
9mm
4
9mm
4-
*2
o
0
0
0
0
0
0
o ABC
L
o
0
0
---------------------------
o
0
0
o ABC
o
T
o“
i
0
0
0
0
0
10*~(16)”, 101
Printable area
Max. 203.3(
-
350)mm
254(406)mm
,8”(13.8”)
J
XYZ :
J
X’iz :
7
1
*2
~
0
0
0
0
0
0
0
0
0
0
0
0
o
0
0
0
0
0
NOTE: 1. Values in the parentheses apply to FX-105O.
2. 0.47”, 12 mm or more when the 101 to 242 mm (4 to 9.5”) width paper is used.
0.98”, 25 mm or more when the 254 mm (10”) width paper is used.
Figure 1-4. Fanfold Paper Printable Area
Envelopes
Size
Quality
Thickness
No. 6 (166 X 92 mm), No. 10 (240 X 104 mm)
Bond paper, xerographic copier paper, airmail paper
0.16-
0.52 mm (0.0063 -0.01 97”)
NOTE: Differences in thickness within printing area must be less than 0.25 mm (0.0098”).
121
Weight
-241 lb (45 -91
NOTES: 1. Envelope printing is only available at normal temperature.
2. Keep the longer side of the envelope horizontally at setting.
3. Set the left of No. 6 envelope at the setting mark of the sheet guide.
Label
Size
Thickness
2 1/2 X 15/16”, 4 X 15/16”, 4 X 1 7/16”
O.19 mm (0.0075) max.
NOTE: Thickness excluding the base paper must be less than or equal to 0.12 mm (0.0075”).
g\m2)
1-7
REV.-A
NOTES: 1.
3.
4.
Printing of labels is only available at
Labels must be fanfold.
2.
Labels with pressure-sensitive paper
and the total thickness must be less
normal temperature.
must be jointed by pasting along the dots or lines,
than or equal to 0.3 mm (O.
under conditions that must be between 5 to 35 “C and 20 to
Examples of labels: AVERY CONTINUOUS FORM LABELS
AVERY MINI-LINE LABELS
11
8“) to be printed out
80Y0
RH.
:!,,
Lever Adjustment
See Figure 1-5 and Table 1-9.
Table 1-9. Lever Adjustment
Lever Position
2nd
3rd
4th
5th
Paper Thickness [mm]
0.06 -0.12
-0.17
o.13
0.18
0.26 .
:::
Head adjustment Lever
‘“’ward-
.fl
(*’
~
q“’’”’”
-~
o
?
~
Figure 1-5.
Head Adjustment Lever
Positioning
NOTES: 1. When printing density becomes lighter, set the head adjustment lever one position lower.
2. When using thicker paper than shown in the above table, set the head adjustment lever
to the 6th or higher appropriate position by performing the self-test operation.
:
.
<=,”
Ribbon Cartridge
Printer
Color
Life
Dimension
(W) X (h) X (d)
See Table 1-10.
Table 1-10. Ribbon
Ribbon Model No.
[characters]
[mm]
Cartridge Specification
#8750
FX-850
3 million (14 dots/character)
293 X 34 X 72
1-8
f-
#8755 (M)
FX-1 050
Black
I
468 X 34 X 78
Dimensions
Weight
See Table 1-11 (Details are shown in Figures A-45 and 46.).
See Table 1-11.
Table 1-11. Dimensions and Weight
Width [mm]Height [mm]
FX-850
FX-I 050605150
NOTE: Excluding platen knob and paper guide.
Electrical SpecificationsSee Table 1-12.
—
Voltage [V AC]
Frequency range [Hz]49.5 - 60.5
Rating current [A]
Insulation resistance [M ohm] min.
(between AC line and chassis)
430150
Table 1-12. Electrical Specifications
Depth [mm]
120 V Version
*
120V
10YO
2
360
360
Weight [Kg]
9.5
12.5
220/240 V Version
220/240V
10
& 10%
1
Dielectric strength [V AC, rms]
(1 minute, between AC line and chassis)
Environmental Conditions
Temperature [“C]
Humidity [% RH]
Resistance to shock [G] (within 1 ms)
Resistance to vibration [G] (55 Hz, max.)
Reliability
MCBF
MTBF
Printhead
life
1250
Refer to Table 1-13.
Table 1-13. Environmental Conditions
Storage
- 60
–30
- 85
5
2
0.50
5 million lines (excluding
(MCBF
. . .
Mean Cycles Between Failure)
FX-850: 4000
FX-105O: 6000
100 million characters (14 dots/character)
POH
(duty 25%)
POH
printhead)
(duty 25%)
1250
Operating
5 -35
10 - 80
1
0.25
I
1-9
REV.-A
Safety Approvals
Safety standards
Radio Frequency
Interference
1.2.2
Firmware Specifications
UL4785th (U.S.A. version)
CSA22.2#220
VDE0806
(RFI)
FCC class B (U.S.A. version)
VDE871 (European version)
(TUV)
(European version)
Control Code
Printing Direction
Text
Bit-image
Character Code
Character Set
Font
Printing Mode
NOTE: A condensed mode for 15
ESC/P-83
Bidirectional printing with logic seeking
Unidirectional printing
8 bits
96 ASCII and 13 international character sets
Graphics
NLQ
NLQ
Draft:
Printing quality
Character pitch (10, 12, 15
Roman:
Saris-serif: 10, 12, 15, Proportional
Condensed
Double-width
Double-height
Emphasized
Double-strike
Italic
Underlined
CPI
characters is not available.
10, 12, 15, Proportional
10, 12, 15, Proportional
(Draft/NLQ)
CPI
or Proportional)
Print Speed
I
Draft pica
I
Draft elite
ICondensed draft pica
IEmphasized draft pica
NLQ
NOTE: When any italic character is in the same line, the print speed
the parentheses.
Refer to Table 1-14.
Table 1-14. Print Speed
Type of Letters
normal pica
I
I
I
I
1-10
Print Speed
220 (107)
264 (1 28)
183 (91)
107
45
[CPS]
will be reduced to the value in
Print Columns
Refer to Table 1-15.
Table 1-15. Print Columns
Printable Columns
Type of Letters
FX-850
Normal
Condensed
I
Elite
I
Condensed elite160
NOTE: In Condensed mode, printable column is always 137.
(Previous FX series is 132.)
Character Size, PitchRefer to Table 1-16.
Table 1-16. Character Size and Pitch
Type of Letters
I
I
Width
137
[mm][mm]
80
96
Height
IcPI]
FX-1 050
136
I
I
Character Pitch
233
163
272
[mm]
I
I
I
Normal
Emphasized
Condensed
Elite1.7
Condensed elite0.85
NOTE: Width of Elite character is changed to 1.7 mm from 2.1
mm (not same as normal mode).
2.1
2.1
1.05
3.1
3.1
3.1
3.1
3.1
2.54 (1 O
2.54 (1 O
1.48 (17
2.11 (12
1.27 (20
cpi)
cpi)
cpi)
cpi)
cpi)
1-11
REV.-A
1.3 INTERFACE OVERVIEW
The
FX-850/l
1.3.1 8-bit Parallel Interface Specifications
Data Transmission Mode
Synchronization
Handshaking
Logic Level
Data Transmission Timing
Connector
050 has 8-bit parallel interface as standard.
pallarel
8-bit
By STROBE pulse
By BUSY and ACKNLG (either or both)
TTL compatible
See Figure 1-6.
57-30360 (AMPHENOL) or equivalent
(See Figure 1-7.)
‘“s’
—--J---’
2!-,
=
NOTE: Transmission time (rising and falling time) of every input signal must be less than 0.2
—r—Lrl———ttt—
Figure 1-6. Data Transmission Timing of 8-bit Parallel Interface
ps.
.:.
t,, .
1-12
fn
n
-.
s
;
REV.-A
Table 1-17 shows the connector pin assignments and signal functions of the 8-bit parallel interface.
Table 1-17. Connector Pin Assignments and Signal Function
~,.
.., ’
<
Pin No.
1
2
3
4
5
6
7
8
9
10
11
Signal Name
STRORE
DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7
DATA 8
ACKNLG
BUSY
Return Pin No.
19
20
21
22
23
24
25
26
27
28
29
DIR
Strobe pulse to read the input data.
In
be more than 0.5#s. Input data is latched after falling
edge of this signal.
These signals represent information of the 1st to 8th
In
In
bits of parallel data, respectively. Each signal is at
“HIGH” level when data is logical “1“ and “LOW” when
In
logical “O”.
In
In
In
In
In
out
This pulse indicates data has been received and the
printer is ready to accept more data.
Pulse width is approximately
out
A “HIGH” signal indicates that the printer cannot
receive data.
ing cases:
1. During data entry
2. During printing operation
3. In off-line status
4. During printer error status
Functional Description
Pulse width must
12#s.
The signal becomes “HIGH” in the follow-
19
12
13
14
15
16
17
18
- 30
31
32
PE
AUTO FEED XT
NC
Ov
CHASSIS
GND
NC
GND
INIT
ERROR
30
out
A “HIGH” signal indicates that the printer is out of paper.
Pulled up to
In
With this signal at “LOW”’ level, the paper is automatically fed one line after printing.
(The signal level can be fixed to “LOW”’ with DIP SW 2-4.)
Not used.
Logic
Printer chassis
In the printer, the chassis
isolated from each other.
Not used.
TWISTED-PAIR RETURN signal
In
When the level of this signal become
GND
+5V
through 3.3 K ohms resistor.
level.
GND.
GND
and the logic
GND
level.
“LOW”, the printer
controller is reset to its initial state and the print buffer
is cleared. This signal is normally at “HIGH” level, and
its pulse width must be more than 50 @ at the receiving
terminal.
out
The level of this signal becomes “LOW” when the
printer is in -
1. Paper-out status
2. Off-line status
3. Error status
GND
are
1-14
Table 1-17. Connector Pin Assignments and Signal Function (cent’d)
REV.-A
Pin No.Signal Name
33
34
35
36
NOTES: 1.
2.
GND
NC
SLCT-IN
“DIR” refers to the direction of signal flow as viewed from the printer.
“Return” denotes “TWISTED-PAIR RETURN” and is to be connected at signal ground level.
As to the wiring for the interface, be sure to use a twisted-pair cable for each signal and
never fail to complete connection on the Return side. To prevent noise effectively, these
cables should be shielded an connected to the chassis of the host computer and the printer,
respectively.
3.
All interface conditions are based on TTL level. Both the rise and fall times of each signal
must be less than
4.
Data transfer must not be carried out by ignoring the
(Data transfer to this printer can be carried out only after confirming the
or when the level of the BUSY signal is “LOW”.)
Return Pin No.
0.2Ks.
DIR
Functional Description
Same as with Pin No. 19 to 30.
Not used.
Pulled up to
The DC
In
“HIGH” level.
(Internal fixing can be carried out with Jumper- l.)
+5V
through 3.3 K ohms resistor.
l/DC3
code is only valid when this signal is
ACKNLG
or BUSY signal.
ACKNLG
signal
1-15
REV.-A
Table 1-18 shows the printer select/deselect (DC
SLCT-IN
input, DC 1
/DC3,
and interface signals.
Table 1-18. Printer Select/Deselect Control
l/DC3)
control, including relations among ON-LINE,
:):>
f
. .
ON-LINE SW
OFF-LINE
ON-LINEHIGH
HIGH/LOW
SLCT-IN
LOW
Dcl/Dc3
DC
l/DC3
DC 1
DC3HIGH
DC 1
DC3HIGH
ERROR
LOWHIGH
HIGH
HIGH
LOW\HIGH
(During data
entry)
LOW\HIGH
(During data
entry)
LOW/HIGH
(During dataafter entry
entry)
LOW/HIGH
(During data
entry)
BUSY
ACKNLG
No pulseDisable
Pulse output
after entry
Pulse output
after entry
Pulse output
Pulse output
after entry
DATA ENTRY
Enable
mal
Enable
(Waits DC1.
See Note 2)
Enable (Nor-
mal
(Nor-
Process)
Process)
NOTES: 1. In the Table 1-18, it is assumed that no ERROR status exists other than that attributable
to OFF-LINE mode.
DC3
2. Once the printer is deselected by the
code, the printer will not revert the selected state
unless the DC 1 code is input again. (In the deselected state, the printer ignores input data
1
until the DC
3. The DC 1 and
code is received.)
DC3
codes are enabled only when the
SLCT-IN
signal (Input Connector No.36
for the parallel interface unit) is HIGH and printer power is initialized.
4. If the
SLCT-IN
signal is LOW when the printer is initialized, DC
l/DC3
printer select/deselect
control is invalidated, and these control codes are ignored.
5. If the
SLCT-IN
signal is HIGH and is not set to LOW by jumper 6 when printer initialized,
the printer starts from the selected (DC 1 ) state.
L
f-:
1-16
1.4 DIP SWITCHES AND JUMPER SETTINGS
REV.-A
This section describes the DIP switch selections and jumper setting for the
1.4.1 DIP Switch Settings
The DIP switches are located at the right side of the printer. When the printer hardware is initialized,
the following functions are set to the default values shown in the table below.
Table 1-19. DIP Switch 1 Settings
WV
1-1
1-2
1-3
1-4
1-5
1-6
1-7
Description
Default character set
Shape of zero
Table select
Protocol mode
Short tear-off mode
International character set
User-defined
Slashed
Graphic
IBM emulation
off
See Table 1-20.
ON
FX-850/l
OFF
ROM
Not slashed
Italic
ES C/P
On
050 printer.
1-8
NOTE:
Default character set
Shape of zero
Protocol mode
When DIP
When DIP switch 1-1 is ON, the user-defined character set will be selected as default.
User-defined characters are maintained in printer memory even when the power is turned off,
so the user-defined character set can be easily selected simply by turning off the power, setting
this switch to ON, and then turning the power on again.
When DIP switch 1-2 is ON, prints
for clearly distinguishing between
When DIP switch 1-4 is ON, printer operates in the IBM emulation mode; when off, printer
operates in the Epson
Functions of
emulation mode.
SW1-4 is on (IBM mode), the function of DIP SW1-3 changes to auto CR ON/OFF.
a stashed zero (0); when OFF, prints open zeros (0).
uppercase O and zero when printing program lists,
ESC/P mode.
DIP
switches 1-6, 1-7, and 1-8 are different when using the printer in the IBM
Useful
etc.
Short Tear-off
When print operation has finished, the short tear-off feature automatically feeds the perforation
of the continuous paper to the tear-off edge of the sheet guide cover so that the user can tear
off the last sheet. When the user resume printing, the paper is fed backward to the loading
position.
1-17
REV.-A
Country
Table 1-20. International Character Set
WV
1-6
SW
1-7
SW
1-8
IBM
CG
Table
,,# ,.
.:
USA
France
Germany
UKONOFF
Denmark
Sweden
Italy
Spain
NOTE: When DIP SW1-4 is on (IBM mode), the functions of DIP SW1-6
through
SW1-8 change to IBM character generator selection.
ON
ON
ON
OFF
OFFON
OFFOFFON
OFF
Table 1-21. DIP Switch 2 Settings
ON
ON
OFF
ONON
OFF
ON
OFF
ON
OFF
OFF
OFF
CG Table 1
CG
Table 2
Sw
2-1
2-2Cut sheet feeder mode
2-3
2-4
I
1.4.2 Jumper Setting
The jumper J 1 is located on the main board and it can
I
I
NOTE: If the jumper J 1 is connected, the
Page length
1 -inch skip over perforation
Auto line feed
ON
OFF
signal is fixed to LOW, and DC 1 /DC3 printer
select control is ignored.
Description
Table 1-22. J1 Setting
Fix to “LOW”
Depend on the external signal.
ON
12 inch11 inch
On
On
On
fiw
;:;-
SLCT-:?-!
SLCT-IN
OFF
off
off
off
signal to “LOW” level.
I
I
,.-,
1.
1-18
1.5 SELF TEST OPERATION
The
FX-850/l
● Control Circuit Functions
● Printer Mechanism Functions
● Print Quality
● DIP Switch Settings
Table 1-23 lists the self test operating instructions and Figure 1-8 shows the self test printing.
050 printer has the following self test (self printing) function which checks the following:
The hexadecimal dump function causes the printer to print the received data in hexadecimal. The printer
prints 16 values in hexadecimal, followed by the corresponding ASCII characters, on one line. If there
is no corresponding printable character for a value (i.e. a control code), a period (.) is printed. Any
remaining data (less than 16 values) can be printed by operating the ON LINE switch. No panel settings
can be made in the hexadecimal dump mode. This function makes it easy for technician to identify
source of communications problems between the printer and computer.
Table 1-24 lists the self test operating instructions and Figure 1-9 shows the hexadecimal dump printing.
set the printer off line. Next,
turn off the printer.
.@.
.U
. .
z
. . . . . .
.x.
.W.
ER
1 . . . . ( 1 . .
. .
1.1
es. .
O ● nd FX-105O ar
e serial dot mat
rix 9-pin termin
● l
printwe
print at ●
. .
maximum of 264 C
Ps .
Either
1
?.0
OD
6.1
FX-850
columns or FX-.
1050 with 13
6 columns
selectmd accord
ingto your
irmmmnts.
main
● ra asfollows
. . . .
inting speed
64 CPS (
d Elite) . .
220
●
ft and Pica) . . .
* Advancwd
● per handl inqtu
nctions:
ear-off . .
Auto
ck-out
. .
Micro
t
. . . .
YPR function (An
y print
be
swlected
● ctly from th~ f
rent. .
Dnc=
).
is8QlQcted, it
is
stored
no”-volati
mory,
. .
is
soloctmd
thm printer POW
eris
. . . .
fonts (Roman ● n
d
Sans-seri
e standard. . . . .
.M
loading. .
turn-d
CHAPT
Featur
Thm FX-8S
that
mod-
with
canb.
rmqu
Thin. .
features
$
Max . pr
: 2
Draft ● n
CPS
( Dr
auto t
Auto ba
adjustmmn
i SO1OCT
mod-
can
dir
panel
●
mod=
in the
le
● nd
wh.”
o“.
* Two NLQ
f ) ● r
P.
.
80
z
p
ma
f ---
.— -
Figure 1-9. Hexadecimal Dump Printing
1-20
REV.-A
1.7 PRINTER INITIALIZATION
There are two initialization methods: hardware initialization and software initialization.
1.7.1 Hardware Initialization
This type of initialization occurs when printer power is turned on or when the printer receives the INIT
signal from the host computer via the 8-bit parallel interface.
When printer is initialized in this way, it performs the following actions:
● Initializes printer mechanism.
● Sets the on-line mode.
● Sets the page length to 11 or 12 inches according to the DIP switch.
● Clears the input data buffer and print buffer.
● Read DIP switch and jumper settings.
● Sets the print mode according to the DIP switch and the non-volatile memory set by control panel.
● Sets printer selections to their default values
1.7.2 Software Initialization
This type of initialization occurs when the printer receives command
(ESC @)
via software.
When the printer is initialized in this way, it performs the following actions:
● Clears the print buffer.
● Sets printer selections to their default values.
NOTE: The printer’s default values are as follows:
Page PositionPreset paper position becomes top of form position
Left and Right Margin
Released
Line Spacing1/6 inches
Vertical Tab Position
Cleared
Horizontal Tab PositionEvery 8 characters (relative)
VFU ChannelChannel O
Family Number of Type Style Roman (Family Number O)
Downloaded CharactersDeselected: Software initialize
Cleared:
Hardware initialize
JustificationLeft justification
Character Per Inch
Bit Image Mode Assignment
Printing Effects
10
ESC
ESC
Z =
Cleared
K =
ESC
ESC
X 3
X O,
ESC
L =
ESC
X 1,
ESC
=
ESC
X 2,
●
1-21
Loading...
+ 195 hidden pages
You need points to download manuals.
1 point = 1 manual.
You can buy points or you can get point for every manual you upload.