TSC TX200 Series User manual

TX200/ TX300/ TX600 Series
SERVICE
MANUAL
THERMAL TRANSFER / DIRECT THERMAL
BAR CODE PRINTER

i
TX200/ TX300/ TX600
Bar Code Printer Service Manual
TABLE OF CONTENT
1. OVERVIEW ............................................................................................................................................. 3
1.1 Front View.............................................................................................................................................3
1.2 Interior View..........................................................................................................................................4
1.3 Rear View..............................................................................................................................................5
2. ELECTRONICS....................................................................................................................................... 7
2.1 Summary of Board Connectors..........................................................................................................7
2.2 Pin Configuration...............................................................................................................................12
3. MECHANISM......................................................................................................................................... 15
3.1 Replacing the Lower Cover...............................................................................................................15
3.2 Replacing the Main Board.................................................................................................................16
3.3 Replacing the Stepping Motor Module ............................................................................................17
3.4 Replacing the Black-mark Sensor Module......................................................................................19
3.5 Replacing the Media Guide Assembly.............................................................................................20
3.6 Replacing the Media holder assembly.............................................................................................21
3.7 Replacing the LED/LCD module.......................................................................................................23
3.8 Replacing the Ribbon Base Module.................................................................................................24
3.9 Replacing the Printhead Module......................................................................................................26
3.10 Replacing the Platen Roller assembly...........................................................................................27
3.11 Cutter Module Installation (Option)................................................................................................29
3.12 Peel-off Module Installation (Option).............................................................................................32
3.13 Slot-in Wireless Interface Board Installation (Option) .................................................................34
4. TROUBLESHOOTING.......................................................................................................................... 36
4.1 LED Status..........................................................................................................................................36
4.2 Print Quality........................................................................................................................................37
5. MAINTENANCE.................................................................................................................................... 40
UPDATE HISTORY ................................................................................................................................... 42

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Bar Code Printer Service Manual
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1. OVERVIEW
1.1 Front View
1. LED indicators
2. Feed/ Pause button
3. Paper exit chute
4. Top cover open lever
5. Power switch
2
1
3
P
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L
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D
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4
5

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Bar Code Printer Service Manual
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1.2 Interior View
1. Ribbon rewind gear
2. Gap sensor (receiver)
3. Media holder
4. Ribbon access cover
5. Ribbon rewind hub
6. Print head
7. Ribbon supply hub
8. Media cover
9. Media holder locking switch
10. Media guides
11. Platen roller
12. Black mark sensor
13. Media guide adjustment button
14. Gap sensor (transmitter)
2
1
3
P
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L
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8
Pr
in
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4
5
6
7
P
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11
Pri
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9
Pr
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10
Prin
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12
Print
head
13
Pri
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14
Pri
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ad

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Bar Code Printer Service Manual
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1.3 Rear View
Note:
* Recommended MicroSD card specification.
Type
SD card spec
SD card capacity
Approved SD card
manufacturer
Micro SD
V2.0 Class 4
4G
Transcend
V2.0 Class 4
8G
Transcend
V3.0 Class 10 UHS-I
16G
Transcend
1. Power jack socket
2. RS-232C interface
3. Ethernet interface
4. * Micro SD card socket
5. USB interface
6. USB host
7. Centronics interface
8. External label entrance chute
The interface picture here is for reference only. Please refer to the product
specification for the interfaces availability.
1
3
2
4
US
B
int
erf
ac
e
7
USB
inte
rfac
e
6
8
5
Pr
in
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a
d

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Bar Code Printer Service Manual
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V3.0 Class 10 UHS-I
32G
Transcend
V3.0 Class 10
16G
Kingston
V2.0 Class 4
16G
Scandisk
Class 10 UHS-I
16G
Scandisk
- The DOS FAT file system is supported for the SD card.
- Folders/files stored in the SD card should be in the 8.3 filename format

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Bar Code Printer Service Manual
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2. ELECTRONICS
2.1 Summary of Board Connectors
Main board
Connector
Description
Remark
1
Power supply output (24V DC) connector
B800
2
Power switch cable connector
J800
3
ESD_GND_PIN
J802
Pin
Description
Voltage
1
GND
0V
2
GND
0V
4
RS-232C connector
J201
5
RTC battery (Factory option)
BT800
6
ESD_GND_PIN
J805
1
2
4
5
7
9
10
11
12
13
14
15
16
17
18
19
20
21
22
24
23
25
26
27
28
29
32
35
34
8
30
31
33
3
6

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Bar Code Printer Service Manual
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7
5V DC connector
J200
8
Buzzer (Factory option)
BZ600
9
Ethernet connector
J300
10
Micro SD card slot
J100
11
USB Device connector
J202
12
USB Host connector
J203
13
Feed key and LED connector
J701
Pin
Description
Voltage
1
GND
0V
2
LED1 red：Warning
LED light on: 3.3V
LED light off: 0V
3
LED2 red：No paper
LED light on: 3.3V
LED light off: 0V
4
LED3 red：No ribbon
LED light on: 3.3V
LED light off: 0V
5
LED4 red：Openings
LED light on: 3.3V
LED light off: 0V
6
Power
3.3V
7
LED5 green：Startup
LED light on: 3.3V
LED light off: 0V
8
LED6 orange：waiting
LED light on: 3.3V
LED light off: 0V
9
LED7 orange：Clean TPH
LED light on: 3.3V
LED light off: 0V
10
LED8 blue：WiFi/BT
LED light on: 3.3V
LED light off: 0V
11
Feed switch
0V: Push key
3.3V: Stand-by
12
GND
0V
14
LCD key connector
J702
Pin
Description
Voltage
1
KEY1：Down switch
0V: Push key
3.3V: Stand-by
2
KEY2：Left switch
0V: Push key
3.3V: Stand-by
3
KEY3：Right switch
0V: Push key
3.3V: Stand-by
4
KEY4：Up switch
0V: Push key
3.3V: Stand-by
5
KEY5：Menu/Back switch
0V: Push key
3.3V: Stand-by
6
KEY6：Feed switch
0V: Push key
3.3V: Stand-by
7
GND
0V

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Bar Code Printer Service Manual
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15
Centronics port connector (for parallel port)
J900
16
WiFi / Bluetooth connector
J1000
17
RFID connector
J205
18
Head open connector
J607
Pin
Description
Voltage
1
Head open sensor receiver
0~1.4V: Head close
1.7~3.3V: Head open
2
GND
0V
19
Gap sensor receiver connector
J605
Pin
Description
Voltage
1
Power
3.3V
2
Gap sensor receiver AD
0~3.3V
20
Ribbon end connector (For receive signals)
J604
Pin
Description
Voltage
1
Gap sensor receiver AD
0~3.3V
2
GND
0V
21
Ribbon end connector (For transmit signals)
J601
Pin
Description
Voltage
1
Power
3.3V
2
Ribbon end sensor emitter
Emitter on : 2.1~2.3V
Emitter off: 2.6~2.8V
22
Ribbon encoder sensor connector
J600
Pin
Description
Voltage
1
Power
3.3V
2
GND
0V
3
Power
3.3V
4
Ribbon encoder sensor
receiver
High:3.3V
Low:0V

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Bar Code Printer Service Manual
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23
BM / GAP sensor connector
J603
Pin
Description
Voltage
1
Power
3.3V
2
Not use
-
3
Black mark sensor emitter
Emitter on : 2.1~2.3V
Emitter off: 2.6~2.8V
4
Black mark sensor receiver
AD
0~3.3V
24
Gap sensor connector (For transmit signals)
J602
Pin
Description
Voltage
1
Power
3.3V
2
Gap sensor emitter
Emitter on : 2.1~2.3V
Emitter off: 2.6~2.8V
25
Peel sensor connector
J606
Pin
Description
Voltage
1
Power
3.3V
2
Reserved
3
Peel sensor emitter
Emitter on : 2.1~2.3V
Emitter off: 2.6~2.8V
4
Peel sensor receiver AD
0~3.3V
5
GND
0V
26
Cutter connector
J501
Pin
Description
Voltage
1
Cutter power
24V
2
GND
0V
3
Cutter direction
0V: Cutter positive cut
5V: Cutter negative cut
4
Cutter enable
0V: Cutter work
5V: Cutter stop
5
Cutter position sensor switch
0V: Cutter stop
3.3V: Cutter work
6
GND
0V
7
Logic power
5V
8
Reserved
-
27
Print head power connector (600dpi)
J400
28
Print head connector (600dpi)
J402

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Bar Code Printer Service Manual
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29
Print head connector (200dpi / 300dpi)
J401
30
ESD_GND_PIN
J804
31
ESD_GND_PIN
J801
32
Stepping motor connector
J500
33
ESD_GND_PIN
J803
34
Micro processor
U1
35
TFT-LCD connector
J700

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Bar Code Printer Service Manual
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2.2 Pin Configuration
RS-232C
PIN
CONFIGURATION
1
+5 V
2
TXD
3
RXD
4
CTS
5
GND
6
RTS
7
N/C
8
RTS
9
N/C
Ethernet
PIN
CONFIGURATION
1
Tx+
2
Tx-
3
Rx+
4
N/C
5
N/C
6
Rx-
7
N/C
8
N/C
USB Device
PIN
CONFIGURATION
1
N/C
2
D-
3
D+
4
GND

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Bar Code Printer Service Manual
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USB Host
PIN
CONFIGURATION
1
5V
2
D-
3
D+
4
GND
Centronics
Pin
SPP Mode
Nibble
In/Out
Function
1
Strobe
N/A
In
A low on this line indicates that there are
valid data at the host. When this pin is
de-asserted, the +ve clock edge should be
used to shift the data into the device.
2-9
Data 0-7
N/A
In
Data Bus. Single-directional.
10
Ack
N/A
Out
A low on this line indicates that there are
valid data at the Device. When this pin is
de-asserted, the +ve clock edge should be
used to shift the data into the host.
11
Busy
N/A
Out
When in reverse direction, a high
indicates data, while a low indicates a
command cycle. In forward direction, it
functions as PtrBusy.
12
Paper Out /
End
N/A
Out
When low, device acknowledges reverse
request.
13
Select
N/A
Out
Extensibility flag
14
Ground
N/A
GND
Ground
15
No Defined
N/A
N/A
16-17
Ground
N/A
GND
Ground
18
No Defined
N/A
N/A
19-30
Ground
N/A
GND
Ground
31
No Defined
N/A
N/A
32
Error / Fault
N/A
Out
A low set by the device indicates that the

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Bar Code Printer Service Manual
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reverse data is available
33-35
Ground
N/A
GND
Ground
36
No Defined
N/A
N/A

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Bar Code Printer Service Manual
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3. MECHANISM
3.1 Replacing the Lower Cover
1. Open the printer’s top cover
by pulling the top cover open
levers located on each side of
the printer and lifting the top
cover to the maximum open
angle.
2. Remove two screws on the
lower inner cover.
3. Turn the printer upside down to
remove six screws.
4. Remove/Replace the lower
cover.
5. Reassemble the parts in the
reverse procedure.

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Bar Code Printer Service Manual
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3.2 Replacing the Main Board
1. Please refer to the section
3.1 to remove the lower
cover.
2. Remove two screws on
the main board.
3. Disconnect all connectors
on the main board.
4. Remove/Replace the main
board assembly.
5. Reassemble the parts in
the reverse procedure.

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Bar Code Printer Service Manual
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3.3 Replacing the Stepping Motor Module
1. Please refer to the section 3.1
to remove the lower cover.
2. Remove three screws as
shown.
3. Remove four screws as
shown.
4. Remove the hook module
assembly.

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Bar Code Printer Service Manual
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5. Remove one e-ring to replace
stepping motor module.
6. Reassemble the parts in the
reverse procedure.

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Bar Code Printer Service Manual
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3.4 Replacing the Black-mark Sensor Module
1. Please refer to the section 3.3
to remove the hook module
assembly.
2. Remove three screws to take
out the black mylar.
3. Remove two screws on the
black-mark sensor fixing plate.
4. Remove/replace the
black-mark sensor module.
5. Reassemble the parts in the
reverse procedure.