Epson Stylus 1000 Service Manual

EPSON TERMINAL PRINTER
Stylus
1000
SERVICE MANUAL
(ADDENDUM for
Stylus 800
SERVICE MANUAL)
SEIKO EPSON CORPORATION
4002262
REV.-A

REVISION SHEET

Revision Issued Date
Rev.-A
April 28, 1993
ADDENDUM
Revision Page
1st issue
-i-
ADDENDUM
Stylus-800/1000 SERVICE MANUAL
General Description

1.1 General Description

rizes
This addendum only summa
stylus-looo.
1.1.1 Features
Fast printing speed. You can print up to 150
mode.
Built-in adjustable auto sheet feeder supports various different size of paper, A3 to A4, LETTER and
LEGAL. It can holds up to
You can use a continuous form by installing optional tractor unit.
Various built-in font :
4
scalable LQ fonts, 15 bit-mapped LQ fonts and 3 DRAFT fonts.
1.1.2 Specification
This section describes the detail specification of the Stylus-1000.
the major features and specifications which specifically applicable to the
cps
in 10
cpi
100
sheet of paper at a time.
LQ mode and up to 250
cps
in 10
cpi
DRAFT
.
1.1.2.1 Printing Specification
Print Speed :
Printable Column :
See the table below.
See the table below.
Character
I
I
I
(10
cpi/Condensed) I
20 cpi 272
(12 cpi/Condensed)
Table 1-1 Print Speed and Printable Column
Printable
Pitch
10 cpi 12
cpi cpi 204
15
17 cpi
Column (LQ) (DRAFT)
I
136 I 150
163 180
I
233
Print Speed Print Speed
CPS 1
255
I
I I I
257
300
250
300 375
428
I
500
I
I
REV.-A
1-1
ADDENDUM
General Description
1.1.2.2 Paper Handling Specification
Paper Feeding :
1.1.2.3 Paper Specification
<Cut Sheet>
Friction
push tractor feed (from rear tractor unit (optional))
Note) Set the release lever to correct position to select proper feeding system.
[With
fed
ASFJ
Width :
Length : Thickness : Weight : Quality :
Stylus-800/1000 SERVICE MANUAL
(either from built-in auto sheet feeder or manual insertion slot)
182-420 mm (7.2 - 16.5”)
Note) When you use A3 size paper in landscape orientation, both left
and right margin area becomes large since the width is limited up to 345 mm.
182-297 mm (7.2 -
11.7’)
maximum
printable
0.065-0.11 (0.0026 - 0.0043”)
64.90 g/mZ (18
Normal
PPC
-
241b./55
paper, Bond paper
.
-78
Kg)
<Envelope>
<Continuous
cLabel>
form>
(With
manual insertion slot] Width : Length : Thickness : Weight : Quality :
Size :
182-420 mm (7.2 - 16.5”) 182-420 mm (7.2 - 16.5”)
0.065-0.11 (0.0026 - 0.0043”) 52-90 Normal
#6 (W X L : #10 (W
Thickness :
Weight : Quality :
Width :
Thickness : Weight Quality :
Label size :
Baclcirw vaver ThiCkn:si QuaIity
0.16-0.52 mm (0.0063 - 0.020”)
Note) The variation in thickness within printable area must be less than
45-90
Normal
101.6 -406.4 mm (4.0 -
0.065 -0.1 mm (0.0026 - 0.0039”)
:
52-82 Normal
63.5 x 23.8 mm (W x L/Minimum) size :
Less than
:’
Equivalent of normal
:
g/m2
(14 -
241b.)
PPC
paper, Bond paper
166 X
92 mm
X
L : 240 X
0.25 mm (0.0098”).
g/m’ (I2 -
PPC
104
241b.)
paper, Bond paper
(6VZ
x 3%”))
mm (9?4 x 4%”))
16.0”)
g/m2
(14 -
221b.)
PPC
paper, Bond paper
101.6 -406.4 mm (4.0 - 16.0”)
0.2
mm
(0.0078”)
including backing paper.
PPC
paper
1-2
Notes) 1.
Label can only be used under normal temperature condition.
Usable only with tractor feeding (requires optional tractor unit).
2.
3.
Do not perform any reverse feed.
4.
Remove label form paper while the printer is not in use.
REV.-A
ADDENDUM
Stylus-800/1000 SERVICE MANUAL General Description
Adjust lever :
The adjust lever, attached to the carriage unit, must be set to proper position for the paper thickness, as shown in table below.
Table 1-2 Adjust Lever Position
Lever
Position
LEFT Cut Sheet
(Horizontal) Continuous form
RIGHT
Envelope
(Vertical) Label
Paper
1
REV.-A
1-3
ADDENDUM
General Description
Printer Operations
1.1.3
This section describes the basic operation of the printer.
1.1.3.1 Control Panel
The control panel of the Stylus-1000 contains six non-lock
type push
controls over the various printer’s functions.
()
DATA
opApEROuT
O
INK OUT
()
ECONOMY
O
CONDENSED
Q
[;;
Stylus-800/fOOO
SERVICE MANUAL
buttons and nine LED indicators for easy
I
1
II
1
.
fButtonl
PAUSE
ECONOMY/CONDENSED
FONT
H
LOAD/EJECT
ALT
RESET
[Indicators]
Figure
1-1 Control
Panel -
Stylus-1000
Switch the printer status between the printing and the no-printing in case if any print data is exist in the input buffer. Selects the ECONOMY printing mode or the CONDENSED printing mode alternately. It also works as a reverse micro feed button if the
ALT
button has been pressed. Select the one of the available fonts. It also works as a forward micro feed button if the
ALT
button has been pressed. By pressing this button, the printer either loads a new paper into the printer, or ejects a paper that currently in the paper path of the printer. It also works as the
LF/FF
button if the
ALT
button has been pressed. It functions as to alternate the function of certain buttons to another. Holds down this button in PAUSE mode for 5 seconds, the printer moves the carriage to the ink cartridge installation/replacement position.
When you press this button, the printer is initialized.
PAUSE
DATA
PAPER OUT
z INK
OUT
ECONOMY/CONDENSED
FONT
1-4
It lights when the printer is in PAUSE mode. It lights when the print data exists in the input buffer. It lights when the printer is in out-of-paper condition. It blinks if the paper jam has occurred. It lights when the printer detects ink end of the ink cartridge. It blinks if the ink level becomes low.
These LEDs shows the currently selected mode.
It indicates the currently selected font.
REV.-A
ADDENDUM
StVlus-800/1000 SERVICE MANUAL
1.1.3.2 Default Setting Item
The
default setting items of the Stylus-1000 are as listed in table below.
Table 1-3 Default Setting Item
Menu Contents
Character Table Select the character table
Auto Print Direction
Page Length for Continuous Form 1:
Skip-over Perforation ON 10FF
for Continuous Form
IIF
Network
Mixed Text/Graphics Mode
4uto
Line Feed
Wto
IIF
hto
l/F Switch
Nait
Time
\uto Tear Off
Mode
‘1
Switching
ON:
. . . . . . . . . . . . . . . . . . . . . . . . . .
OFF: Depends on the command ‘ESC U’.
o:
2: 8.5 inch
3: 70/6 inch
ON:
,. !.
.., .. ...
OFF: For normal environment. (Time-out
ON:
,
.,,
.., .. ...
OFF: For normal use.
ON:
.0
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OFF: No line feed operation with single
ON:
,,
. . . . . . . . . . . . . . . . . . . . . . . . . .
OFF: Active l/F is depending on the
30 sec. / 10 sec.
ON:
,,,
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OFF:
Print direction is automatically selected as to maintains optimal print quality (alignment).
11
12 inch
For network environment, such as LocalTalk. (Time-out printing is
disabled.)
,.,. .!!,
. . . . . .
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
printing is enabled.) To ensure proper’ printing of the
image containing graphics and
scalable font, with certain applications, such as MS Word, WordPerfect V.5.1 or earlier.
,,,,
. . . . . . . . . . . . . . . . . . . . .
Line feed operation is automatically performed by CR code input.
“CR code.
Printer automatically select the l/F which receives the data.
SW setting on the optional l/F card.
Printer automatically feed a paper to
the tear-off position.
Description
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
inch
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Description
Factory
Setting
us
Italic
ON
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. ,. ,0.0...,.............,,..,..
. !.
. . . . . . . . .
.
OFF
OFF
,,..,.,,,.,.
!
OFF
.
OFF
.
. . . . . . . . . . .
,,,., ,,,.,
. . . . .
.
DIP-
10 sec.
ON
. ..,........ ,,..,..O...
11 “
ON
REV.-A
Note)
1 =
If set to ON, the capacity of input buffer is limited to 64 KByte.
1-5
ADDENDUM
General Description
1.1.3.3
Error Conditions
The
Stylus-1000 detects various errors and indicates them with the LED indicators and buzzer as shown in
Stylus-800/fOOO
SERVICE MANUAL
table below.
de 1-4 Elror Indication
T
Error
Paper out
Paper jam Ink low ● 1
Ink end
No ink cartridge
Carriage Error
Release Lever
*I Backout/Eject
Error with Continuous
form ● 1 Waste ink tank
over-flow
PAPER INK OUT
LED
ON
+
Blink
OFF
OFF
--t-
OFF
OFF
LED
OFF
1
OFF OFF
ON
ON
OFF
OFF
T
OFF
T
ON
PAUSE
LED
OFF
OFF
OFF
OFF
OFF
OFF
BLINKS
Buzzer
JJ
x 3 times
~m
x 3 times
No
beeps
J=
x 3 times
J3a
x 5 times
)8
x 3 times Set the release lever to the
~
x 3 times
)=
x 3 times
I
Set the paper and press the
buttons as follows :
1. PAUSE
2. LOAD/EJECT Same as above.
Press PAUSE button and replace
ink cartridge to new one.
the
Then,
to
resume
Replace the ink cartridge and
press PAUSE button. Install the ink cartridge and press
PAUSE button. Turn off the printer, and turn it on
again.
I
position to current paper path.
Service maintenance required. (Replace the waste ink absorbing material and reset the protect counter.)
Recovery
press PAUSE button again
r)rintina.
2
-
-
-
1-6
Note)
JI :0.1 second beep
n:
❑ :
‘2
0.5 second beep
■ :
0.1 second interval
0.2
second intewal
1 :
This is not treated as an error. (Warning)
: It is not necessary to immediately replace
error.
the ink cartridge until the printer detect ‘Ink End’
REV.-A
ADDENDUM
Stylus-800/1000 SERVICE MANUAL

2.1 Operating Principles

The main control circuit of the Stylus-1000 is different This board has an additional below shows a block diagram of the main control circuit board.
<
IC3
E05A85EB
CRO-3
r
comector
;Common
: Drive Circuit
~
(PWC/PWD)
. . . . . . . . . . . . . . . . . . . . .
1
1
to which the
(Program)
; ~ ~
I
I
ADO-15
from the
optional
IC8‘1
Mask ROM
(CG)
StyluS-800,
mpE-B I/F card
L
S1
(Data)/LAT
and
––––––
L—————.
IC7•2
Mask ROM
(CG)
Operating Principles
is the
C114
MAIN BOARD.
cm be connected.
Head driver (Printhead)
lC5/6
PS-RAM
(lM)
The figure
I
I
“’’w--=
I-E[
IC13
SLA7024
--t
Control Panel (C106 PNL)
Note) ● 1 :
4MBit
Mask - For JAPAIWTAIWAN only
8MBit Mask - For KOREA only
16MBit Mask - For JAPANfiAIWAN/KOREA
*2 :
8Mbit Mask - For Europe
CR Motor
Figure 2-1
C114
MAIN BOARD Block Diagram
QM1
SMA6501
PFMotor
REV.-A
2-1
I
ADDENDUM
Operating Principles
2.1.1 Sensor Circuit
In addition to the sensors built in the C106 MAIN Stylus-1000 is equipped with a sensor which detect the position of the release lever. The release lever is used to switch between normal paper feed from the built-in ASF and the tractor feed which is ordy available if the optional tractor unit has been installed. The figure below shows the sensor circuit block diagram.
PE
‘+5V
BOARD
for
the
+5V
FT@
801
INK 46
RE
(CN4;
+5v
79 I
SW8 SW7
W6
E05A85EB
(IC3)
Stylus-800/1000 SERVICE MANUAL
StylUS-8C10, the C114
+5v
IC9
I
MAIN BOARD for the
HP
(CN3)
+!5V
Ink
CPU (ICI)
AN1
74
+5V
,.–.
‘— . . — .
T
Figure 2-2 Sensor Circuit Block Diagram
4
.—
!
Printhead
2-2
REV.-A
ADDENDUM
Stylus-800/1000 SERVICE MANUAL

3.1 Disassembly and Assembly

This addendum only explains the disassembly and assembly procedures
Stylus-looo.
3.1.1 Printer Mechanism M-4860 Removal
[Step 1] [Step
[Step 3] [step 4]
[Step [Step
[Step 71
[Step 8]
Remove the upper case. (Refer to Stylus-800 S/M (Section 3.2.1.))
2]
Remove the power supply unit. (Refer to Stylus-800 S/M (Section 3.2.2.))
Remove
themain
control circuit board unit. (Refer to Stylus-800 S/M (Section 3.2.3.)) Unhook two hooks of the center support of the auto sheet feeder from a front guide shaft, by lifting up front edge of the center support. Then, remove the center support.
5]
Remove the retaining ring (E-ring) from a front guide shaft. Move the left edge guide assembly to the position shown in figure below, where two cutouts made
6]
to the front paper guide frame (the paper eject support assembly is inserted to a rounded edge of the paper guide frame assembly). Then, take out the paper exit support assembly. Move the right edge guide assembly to the position
expIained
the paper exit support assembly. Remove the printer mechanism (M-4860) from the lower case.
cutout ‘
wtich
in the previous step and take out
Disassembly and Assembly
specifically applicable to the
Front frame
/
Ill
II
It
guide
bly
Paper eject
Figure 3-1 Printer Mechanism (M-4860) Removal
REV.-A
SUPPOR
assembly
3-1
I
ADDENDUM
Disassembly and Assembly
3.1.2 Paper Feed Motor Removal
[Step 1]
[Step
[Step 3]
[Step 4]
Remove the printer mechanism. (Refer to 3.1.1.) Remove two screws ((CBS M3x1O)X2) which fixing the paper feed motor.
2]
Turn the paper feed motor for about 90 degree, as shown in figure below, so that one of fixing tab of the motor released from a holding plate. Take out the paper feed motor.
Stylus-800/1000 SERVICE MANUAL
/
.O.’.
(m
,,
, .
.,
. .,
.
‘@
‘o
“m
{/l’fn
Figure 3-2 Paper Feed Motor Removal
N
L
u
Ii
II
J
Paper Feed Motor
3-2
.
REV.-A
ADDENDUM
Stylus-800/1000 SERVICE MANUAL
3.1.3 Paper Feed Roller Assembly Removal
[Step 1] [Step 2] [Step 3]
[Step 4]
Remove the printer mechanism. (Refer to 3.1.1.) Remove the carriage assembly. (Refer to Remove four screws frame. Unhook the transmission gear assembly which attached at the left end of the paper ejection shaft, and then remove the paper feed roller assembly.
I
((CBB
M3x1O)X4, two each at left and right side) and remove the rear base
II
Disassembly and Assembly
SVIUS-800 S\M (Section 3.2.6.5.)
roller
REV.-A
‘(
Figure 3-3 Paper Feed Roller Assembly Removal
3-3
1
ADDENDUM
Stylus-800/1000 SERVICE MANUAL
Adjustment

4.1 Adjustment

This addendum only explains the adjustment procedures which specifically applicable to the Stylus-1000.
4.1.1 Paper Gap Adjustment
[Step 1]
Insert the plastic below.
[Step 2]
Certain thick and stiff
[Step 3]
Put the thickness
Verify that a gap exist between direction of carriage guide shaft holder rotation is depending on the existence of this gap, as shown in table below.
I
t
(Gap exist between
plate
into a paper path from the rear of the printer, at the position shown in figure
gauge (#F518
--
paper
can be used with this adjustment as a substitute for the plastic plate.
Gap
between
Carriage and Front frame
YES
printhead
NO
/
t=l.Omrn)
the
front edge of the carriage frame and the front frame. The
and PG gauge)
on the plastic plate and move the carriage onto it.
LEFT Bush
I
Cw
Ccw
RIGHT Bush
Ccw
I
Cw
[Step
4]
[Step 5] [Step 6]
[Step
n
Note) The direction in table above, is viewed from a side frame to which the corresponding
carriage guide shaft holder is attached.
Rotates BUSH, PARALLEL, ADJUST that attached at the left end of the carriage guide shaft as the
printhead
contact
the PG
gauge. When you narrow the gap and the
printhead
contacts the
PG
gauge, the front edge of the carriage unit pop up and if so, moves the bush 1 step in reverse direction. Remove the PG gauge and attach it at the right side adjust position. Repeat the step from [Step the
right
end of the
Veri&-the
gap at the left
carriage guide
move the left end bush 1 step in counter-clockwise
2] to [Step 4], and adjust the
gap with BUSH, PARALLEL, ADJUST at
shaft.
atiju~t
position, as if the front edge of the carriage unit pop up when you
(CCW).
REV.-A
*OO
! Slyilu
I
I
I
I
A@&int
(L)
/
I
Frmtframe
stytu’
Figure 4-1 Adjust Tool Set Position
Arjua
lma
L?Oilt (F!)
4-1
ADDENDUM
Adjustment
Carriage guide shaft holder
/
\
Stylus-800/1000 SERVICE MANUAL
Printhead
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
\
o\
/’
.
. . . . . . .
/
./
Front frame
PG Adjust gage
#F609
Carriage guide shaft holder
stylus 600
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Printhaad
. . . . . . . . . . . . . . . . . . . . . . . . .
rame
4-2
Plastic
plate
Thickness gauge
(1.Omm)
stylus
1000
Figure 3-2 Paper Gap Adjustment
.
REV.-A
I
ADDENDUM
Stylus-800/1000 SERVICE MANUAL
Maintenance

6.1 Maintenance

This addendum only explains the maintenance which specifically applicable to the
6.1.1 Lubrication
A proper lubricant must be applied only to the specified points of the printer mechanism for optimal
performance.
Table 6-1 Recommended Lubricant
Type Name QTY Part No.
Oil
Grease
Note) E = EPSON Exclusive product (Not commercially available)
o-5
G-26
Table 6-2. Lubrication Points
Ref. No.
(1)
(2) Flat gear, 8 G-26 YES YES
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(lo)
(11)
(12) (13)
Frame Assembly, R (Gear shaft A,B and C)
Shaft, Reduction
Oil Pad (Carriage)
Shaft, CR, Guide o-5
Roller,
Release shaft
Paper Eject Roller Shaft (Ends)
GEAR, 14 G-26
GEAR, 11
Planetary Gear Lever
Front Frame / PG Adjust Lever GEAR, 22.5
PF
Lubrication Point Lubricant
40
cc
40 g
1010513
B702600001
G-26 (1 -3
mg)
(1 -3
mg)
G-26 (1 -3
mg)
o-5 (3
drops)
(Paint on the shaft)
G-26
mg)
(1 -3
G-26
mg)
(1 -3 G-26
mg)
(1 -3
(1 -3
mg)
G-26
(1
-3
mg)
G-26
mg)
(1 -3 G-26 G-26
mg)
(1 -3
Stylus-1000.
Availability
E E
stylus stylus
800
YES YES
YES
YES YES
YES YES
YES YES
.
YES YES
1000
-
YES
YES
YES
YES
YES
YES
I
REV.-A
I
6-1
ADDENDUM
I
Maintenance
$2
y’&
Stylus-800/1000 SERVICE MANUAL
-7\J\,,
-.
6-2
w
Figure 6-1. Lubrication Points
REV.-A
ADDENDUM
StyhIs-800/1000 SERVICE MANUAL
A.1

Appendix

This addendum only explains the comectors which specifically applicable to the Stylus-1000.
A.1.l Connector Summary
Figure below shows the
intercomection
AC Input
between the major components of the Stylus-1000.
c1
z
cl
06
PSWPSE
ICN2 ]
I
,
[CN7
I
Printer Mechanism (M-4810/4860)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Prnthead Unit
APPENDIX
Parallel l/F
+
Stylus-1000 only
,..
—..1—.. —..
I
: Optional
1
TYPE-B
: l/F Card L.. —.. —.. —..
Zi
+
I
0
o
z
..7
.
.i
CI06 PNL
c1
o6/cl
MAIN
/’
HP Sensor
14
PE Sensor
RE Sensor
b
PF Motor
CR
Motor
Figure A-1 Interconnection of Major Components
REV.-A
A-1
I
ADDENDUM
I
APPENDIX
Board
Cl 06/114 MAIN
C106 PSEVPSE
C106 PNL
Pin
1
2 3
4
Stylus-800/1000 SERVICE MANUAL
Table A-1 Connector
Location
CN1
CN2 CN3 CN4 CN5 CN6 CN7 CN8
Table A-2 Connector Pin Assignment -
I
1/0
I
I
I
PE
GND
LSW
GND
Name
Pin
36 pins
12 12
4 6 5 4
18
Wmmary
Description
Centronics parallel l/F HEAD-1 (to HEAD-2 (to
PE(#l/2)/RE(#3/4) sensor
PF motor
CR motor
PS line (from
Panel control line (to
AC input (UN)
DC output (to C106/114 MAIN) (to C106/114 MAIN)
I
Paper-End
(Ground)
Release lever status signal
(Ground)
printhead) printhead)
C106 PSE/PSB)
C106
CN4
Description
(PE) status signal
PNL)
Table A-3 Connector Pin Assignment -
Pin
1-6
7 8 9
10
11
12 13 14 15 16
.
17 18
19-24 25-28 29-36
1/0
o
1
I
o
0
I I I
o 0 0
0
1/0
+5V
TXD
/READY
RXD
NC
IRST
INH
/CMREQ /WPRDY /RDREQ /WR /RD /cs
GND
A3 - AO
D7 - DO
Name
+5V
DC
Serial transmission data
Receive data ready Serial receive data (No connection) Reset signal output Inhibit signal Command request signal Write ready signal Read request signal Write signal Read signal Chip select signal [Ground) Address line
Data line (D7 - DO)
CN9
Description
(A3 - AO)
A-2
REV.-A
ADDENDUM
APPENDIX
A.3 CIRCUIT BOARD COMPONENT LAYOUT
,
lwz
o
I
1 I
u
II
~:s= ;--
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