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WS408TT
Interface Manual
72 pgs1.27 Mb0
Operator's Manual
102 pgs5.96 Mb0
Operator's Manual
91 pgs5.49 Mb0
Technical Manual
135 pgs9.29 Mb0

SATO WS408TT, WS412TT Service Manual

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Page 1
WS4 TT Series Printer
Service Manual
WS408TT / WS412TT
Page 2
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Contents
1 Introduction ................................................................................................................................ 1
1.1 About This Manual ............................................................................................................ 1
1.2 Warnings and Cautions ..................................................................................................... 1
2 Maintenance ............................................................................................................................... 2
2.1 Print Head Maintenance .................................................................................................... 2
3 Spare Parts List ......................................................................................................................... 3
4 Spare Parts Removal and Assembly ........................................................................................ 9
4.1 Top Cover ................................ ................................ ................................ ........................... 9
4.2 Platen Roller and Front Cover. ........................................................................................ 11
4.3 Main Board and Bottom Cover ....................................................................................... 12
4.4 Mid Cover ......................................................................................................................... 14
4.5 Motor ................................................................................................................................ 15
4.6 Sensors ............................................................................................................................ 17
4.7 TPH ................................................................ ................................ ................................... 18
5 Printer Status and Interface Connection ............................................................................... 19
5.1 Printer Status Indication ................................................................................................. 19
5.2 Printer Connector Pin Assignment ................................................................................ 20
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1 Introduction
1.1 About This Manual
This service manual gives the information necessary for you to adjust and repair the WS4 TT printer. This
service manual is written only for SATO authorized service personnel. The information in this manual is
confidential to general users.
This service manual is used as an extension of the operator manual. For basic specification, Installation,
operation and configurations of the printer, refer to the operator manual of the WS4 TT printer.
1.2 Warnings and Cautions
Before doing maintenance, please notice the followings:
Put the device in a safe place. Please keep the device in a clean and dry the area.
WARNING
When replace or install any parts, please check following:
Turn off power. Disconnect the power cord of the AC Adapter. Disconnect the USB cable.
CAUTION (Static Discharge)
The printer electronics are sensitive to static discharge. Wear an anti-static wristband and attach it to the printer chassis.
CAUTION (Replace Parts)
Please do not wear jewelry. Please do not get wet on hands and parts.
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2 Maintenance
2.1 Print Head Maintenance
Warning: Always turn off the printer before cleaning.
It is essential to keep print head clean if you want the best printing quality. We strongly recommend that
you clean the print head when loading a new media roll. If the printer is operated in critical environment or
the print quality declines, you need to clean the print head more frequently.
Keep in mind these things before you clean TPH:
Keep the water away in case of corrosion on heating elements. If you just finish printing, wait until the print head cools down. Do not touch the print head with bare hands or hard objects.
Cleaning Steps:
1. Moisten a soft cloth or a cotton swab with ethyl alcohol.
2. Gently wipe the print head in one direction. That is, wipe it only from left to right or vice versa. Do not
wipe back-and-forth, in case dust or dirt attaches to the print head again.
Note: Print head warranty becomes void if print head’s serial number is removed, altered, defected, or made illegible, under any circumstance.
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3 Spare Parts List
Parts Number
Description
Picture
WT205-001
PRINT HEAD (203dpi) WS408TT
WT301-001
PRINT HEAD (300dpi) WS412TT
59-WT2A1-001
RIBBON-ADAPTERS-WS4TT
59-WT2A2-001
ASSY-PLATEN-WS4TT
59-WT2A3-001
ASSY-MAIN-PCBA-WS4-LAN (USB + LAN)
59-WT2A3-011
ASSY-MAIN-PCBA-WS4-STD (USB + LAN + RS232C)
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Parts Number
Description
Picture
59-WT2A4-001
ASSY-SENSORS-WS4TT
59-WT2A5-001
ASSY-MOTOR-WS4TT 59-WT2A6-001
SW-PSU-WS4TT-N
59-WT2A7-001
ASSY-PANEL-PCBA-WS4TT
59-WT2A8-001
HRNS-PRINT-HEAD-WS4TT
59-WT2A9-001
GEARS-WS4TT
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Parts Number
Description
Picture
59-WT2B2-001
SPRING-PRINT-HEAD-WS4TT
59-WT2B3-001
ASSY-TOP-COVER-WS4TT
59-WT2B4-001
MID-COVER-WS4TT
59-WT2B5-001
PRINTER-FRAME-WS4TT
59-WT2B6-001
ASSY-MEDIA-HLDR-R-WS4TT
59-WT2B7-001
ASSY-MEDIA-HLDR-L-WS4TT
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Parts Number
Description
Picture
59-WT2B8-001
BOTTOM-COVER-WS4TT-LAN
59-WT2B8-011
BOTTOM-COVER-WS4TT-STD
59-WT2B9-001
FRONT-COVER-WS4TT
59-WT2C2-001
ASSY-MEDIA-ROLLER-WS4TT
59-WT2C4-001
ASSY-GUIDE-ROLLER-WS4TT
59-WT2A6-011
SW-PSU-WS4TT-N-EX1
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Parts Number
Description
Picture
59-WT2C3-001
POWER-CORD-WS4TT-CN
59-WT2C3-061
POWER-CORD-WS4TT-EX1
59-WT2C3-031
POWER-CORD-WS4TT-EU
(For EU, VN-NESIA and KR Area Code)
59-WT2C3-011
POWER-CORD-WS4TT-UK
(For UK, SP and MY Area Code)
59-WT2C3-021
POWER-CORD-WS4TT-TH
59-WT2C3-041
POWER-CORD-WS4TT-IND
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Parts Number
Description
Picture
59-WT2C3-051
POWER-CORD-WS4TT-PA
59-WT2C3-071
POWER-CORD-WS4TT-BR
59-WT2C3-081
POWER-CORD-WS4TT-AR
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4 Spare Parts Removal and Assembly
4.1 Top Cover
1 Open the top cover. (Figure A-1) 2 Take off the top cover and push the right latch
in orange and lifting the TPH module upward. (Figure A-2)
3 Then we can see the TPH and the platen roller
in orange. (Figure A-3)
Warning:
Always turn off printer power before removal.
A-1 A-2
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A-3
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4.2 Platen Roller and Front Cover.
Platen Roller
1. From upside of the printer, use screwdriver
to loosen 6 screws which are marked in orange. Then we can take off the front cover. (Figure B-1)
2. When we face to the printer ,taking out the
left and right bushing which are marked in orange, then we could take out the platen roller. (Figure B-2)
Warning:
Always turn off printer power before removal.
B-1
B-2
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4.3 Main Board and Bottom Cover
1. After taking off top, mid and front cover, we
can see Main Board connect with cable and Bottom Cover from backside of the printer. (Figure C-1)
2. Disconnect all cables from MB then lift up and
separate the whole printer module. (Figure C-2)
3. Using screwdriver to loosen 4 screws which are
marked in orange. Then the main board and
bottom cover could be separated. (Figure C-3)
Warning:
Always turn off printer power before removal.
Caution:
When disconnect the power cord, please wait 10 seconds after removing any connectors from the printer.
C-1
C-2
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C-3
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4.4 Mid Cover
1. From upside of the printer, use screwdriver
to loosen 6 screws which are marked in orange. Then we can take out the front cover first. (Figure D-1)
2. Secondly, from broadside to pull the mid
cover upward and take it out. (Figure D-2)
Warning:
Always turn off printer power before
removal.
Before replacing TPH, please wait for the
printer head temperature to cool.
D-1
D-2
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4.5 Motor
1. Separate the whole printer module with main
board and disconnect the cable which is marked in orange.(Figure E-1)
2. Using screwdriver to loosen 3 screws which
are marked in orange. (Figure E-2)
3. Then we can take the motor out as shown in
Figure E-3.
Warning:
Always turn off printer power before removal.
Caution:
When disconnect the power cord, please wait
10 seconds after removing any connectors from the printer.
Wait for the motor temperature to cool.
E-1
E-2
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E-3
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4.6 Sensors
Transmissive Sensor
1. After taking out the whole printer module and
separating the motor with it ,we can see the Transmissive Sensor and Reflective Sensor
which are marked in orange. (Figure F-1)
Reflective Sensor
1. After taking out the Reflective Film, then we
can see the Reflective Sensor which is marked
in orange. (Figure F-2)
F-1
F-2
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4.7 TPH
1. Push and pull down TPH itself in order to
separate with the latch which is marked in orange. (Figure G-1)
2. Pull the TPH out and loosen 2 screws
which are marked in orange. ( Figure G-2)
3. Disconnect the two cables which are
marked in orange to take the TPH out. (Figure G-2)
Warning:
Always turn off printer power before
removal.
Before replacing TPH, please wait for the
printer head temperature to cool.
G-1 G-2
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5 Printer Status and Interface Connection
5.1 Printer Status Indication
Status lights can help you check printer’s condition. The following tables show the blinking speed of
status lights and the conditions they indicate.
Symbol
Blinking
Speed
Blinking Interval
**
Fast
0.5 Second
*
Slow
2 Seconds
* LED2 + *LED1
Slow
LED2 & LED1 Blinking Interval at same time
* LED2 + LED1 *
Slow
LED2 & LED1 Blinking Interval at different timing
LED 2
LED 1
Description
LED indicate Label
Green
Green
The printer is ready to print.
V
Green
** Green
The printer is transmitting data.
* Green
* Green
In pause.
V
* Green
Green *
The printer is writing data to the flash or USB memory. The USB memory is being initialized.
Green
Orange
Head high temperature.
V
Green
** Orange
The print module is opened when the printer is turned on.
Orange
Orange
Paper jam.
V
**Orange
** Orange
The media is out when the print data is sent to the printer. Paper end.
V
**Orange
Orange **
Ribbon end or ribbon error. (for thermal transfer models)
V
Red
Orange
The printhead is broken.
V
Red
*Orange
Communication error (RS-232C).
V
Red
**Orange
Cutter error (with optional cutter).
V
Red
Red
Cover (Thermal Head) open error during printing.
V
Red
* Red
An EEPROM for backup cannot be read or written properly.
A command has been fetched from an odd address.
Word data has been accessed from a place other than the boundary of the word data.
Long word data has been accessed from a place other than the boundary of the long word data.
Red
** Red
Command error.
V
* Red
Red *
Flash ROM on the CPU board error or USB memory error.
V
An erase error has occurred when formatting the USB memory.
Unable to save files due to insufficient USB memory.
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5.2 Printer Connector Pin Assignment
USB
Type A
Type B
Pin
Signal
Description
1
VBUS
+5V
2
D-
Differential data signaling pair -
3
D+
Differential data signaling pair +
4
Ground
Ground
Ethernet
1
2
345 6
7
8
Pin
Signal
1
Transmit+
2
Transmit-
3
Receive+
4
Reserved
5
Reserved
6
Receive-
7
Reserved
8
Reserved
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RS232C
Host (DB9)
Printer (DB9)
Signal
Description
Pin Pin
Description
Signal
CD
Carrier Detect
1 1
Provide 5V Power
+5V
RxD
Receive
2 2
Receive
RxD
TxD
Transmit
3 3 Transmit
TxD
DTR
Data Terminal Ready
4 4 No Connection
NC
GND
Ground
5 5 Ground
GND
DSR
Data Set Ready
6 6 Pull High
Hi
RTS
Request to Send
7 7 Request to Send
RTS
CTS
Clear to Send
8 8 Clear to Send
CTS
CI 9 9
Pull High
Hi
1
2
3
4
5
6
7
89
Pin
Signal
Description
1
+5V
Provide 5V Power
2
RxD
Receive
3
TxD
Transmit
4
NC
No Connection
5
GND
Ground
6
Hi
Pull High
7
RTS NC
Request to Send
8
CTS
Clear to Send
9
Hi
Pull High
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