TSC DA210 Series User manual

DA210/ DA310 Series
DA220/ DA320 Series
SERVICE
MANUAL
THERMAL TRANSFER / DIRECT THERMAL
BAR CODE PRINTER

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DA210/ DA310/ DA220/ DA320
Bar Code Printer Service Manual
TABLE OF CONTENT
1. OVERVIEW................................................................................................................3
1.1 Front View ...............................................................................................................3
1.2 Interior View ............................................................................................................4
2. ELECTRONICS..........................................................................................................5
2.1 Summary of Board Connectors.............................................................................5
2.2 Pin Configuration..................................................................................................10
3. MECHANISM...........................................................................................................12
3.1 Replacing the Top Cover Assembly....................................................................12
3.2 Replacing the Top Cover Open Lever Assembly ...............................................14
3.3 Replacing the Main Board Assembly..................................................................15
3.4 Replacing the Stepping Motor Module................................................................16
3.5 Replacing the Black-mark Sensor Module .........................................................17
3.6 Replacing the Media Holder Assembly...............................................................18
3.7 Replacing the Media Holder Base Assembly......................................................20
3.8 Replacing the Printhead Module .........................................................................23
3.9 Replacing the Platen Roller assembly................................................................27
3.10 Cutter Module Installation (Option for DA220 series)......................................28
3.11 Peel-off Module Installation (Option for DA220 series) ...................................31
3.12 Replacing the Wi-Fi Module (Option for DA220 series)...................................34
3.13 Replacing the Bluetooth Module (Option)........................................................35
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. Top cover open lever
2. LED indicators
3. Feed/Pause button
4. External label entrance chute
5. Power switch
6. Power jack socket
7. USB interface
8. USB host (DA220 series)
9. RS-232 interface (DA220 series)
10. Ethernet interface (DA220 series)
6
5
4
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Bar Code Printer Service Manual
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1.2 Interior View
1. Print head
2. Gap sensor (transmitter)
3. Media viewer
4. Media holder
5. Platen roller
6. Media holder lock switch
7. Black mark sensor/ Gap sensor (receiver)
1
3
2
7
US
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6
USB
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5
4
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Bar Code Printer Service Manual
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2. ELECTRONICS
2.1 Summary of Board Connectors
For DA210 series
Connector
Description
1
Switch
2
DCIN
3
USB connector
4
SDRAM
5
MCU
6
BT connector
7
Gap sensor emit connector
Pin
Description
Voltage
1
Power
3.3V
2
Gap sensor emitter
Emitter on :
2.1~2.3V
Emitter off:
2.6~2.8V
2
1
3
4
5
6
9
10
12
11
8
7
13
1

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Bar Code Printer Service Manual
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8
ESD_GND_PIN
Pin
Description
Voltage
1
GND
0V
2
GND
0V
9
BM sensor connector
Pin
Description
Voltage
1
Power
3.3V
2
BM sensor emitter
2.1~2.2V: Emitter on
2.6~2.7V: Emitter off
3
BM sensor receiver
A/D : 0~3.3V
10
Key& LED connector
Pin
Description
Voltage
1
POWER
3.3V
2
LED Green
LED light on:1.1~1.4V
LED light off:1.6~1.9V
3
LED Red
LED light on:1.4~1.7V
LED light off:1.8~2.1V
4
KEY
0V: Push key
3.3V: Stand-by
5
GND
0V
11
Head open sensor connector
Pin
Description
Voltage
1
Head open switch
0V : Head close
3.3V : Head open
2
GND
0V
12
TPH connector
13
Step motor connector

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Bar Code Printer Service Manual
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For DA220 series
Connector
Description
Remark
1
Power switch connector
SW1
2
Power supply (24V DC) connector
DCIN1
3
USB Device connector
USB1
4
USB Host connector
USB2
5
RS-232C connector
RS1
6
Ethernet connector
LAN1
7
RTC battery connector
BT1
7
8
9
10
12
11
13
14
15
16
17
18
1
2
4
5
3
6

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Bar Code Printer Service Manual
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8
LED & KEY connector
CON19
Pin
Description
Voltage
1
POWER
3.3V
2
LED Green
LED light on:1.1~1.4V
LED light off:1.6~1.9V
3
LED Red
LED light on:1.4~1.7V
LED light off:1.8~2.1V
4
KEY
0V: Push key
3.3V: Stand-by
5
GND
0V
9
Head open sensor connector
CON1
Pin
Description
Voltage
1
Head open switch
0V : Head close
3.3V : Head open
2
GND
0V
10
GAP sensor connector (for Transmit signals)
CON20
Pin
Description
Voltage
1
Power
3.3V
2
Gap sensor emitter
Emitter on : 2.1~2.3V
Emitter off: 2.6~2.8V
11
Wi-Fi / Bluetooth connector
CON13
12
ESD_GND_PIN
JP1
Pin
Description
Voltage
1
GND
0V
2
GND
0V
13
BM sensor connector
CON21
Pin
Description
Voltage
1
Power
3.3V
2
BM sensor emitter
2.1~2.2V: Emitter on
2.6~2.7V: Emitter off
3
BM sensor receiver
A/D : 0~3.3V

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Bar Code Printer Service Manual
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14
PEEL sensor connector
CON10
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
15
ESD_GND_PIN
JP2
Pin
Description
Voltage
1
GND
0V
2
GND
0V
16
Cutter connector
CON6
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
17
Print head connector
CON24
18
STEP_MOTOR connector
CON16

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Bar Code Printer Service Manual
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2.2 Pin Configuration
USB Device
PIN
CONFIGURATION
1
N/C
2
D-
3
D+
4
GND
RS-232C (For DA220 series)
PIN
CONFIGURATION
1
+5 V
2
TXD
3
RXD
4
CTS
5
GND
6
RTS
7
N/C
8
RTS
9
N/C
Ethernet (For DA220 series)
PIN
CONFIGURATION
1
Tx+
2
Tx-
3
Rx+
4
N/C
5
N/C
6
Rx-
7
N/C
8
N/C

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Bar Code Printer Service Manual
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USB Host (For DA220 series)
PIN
CONFIGURATION
1
5V
2
D-
3
D+
4
GND

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Bar Code Printer Service Manual
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3. MECHANISM
Please turn off the power switch and unplug the power adapter before replacing parts.
3.1 Replacing the Top Cover Assembly
1. Open the printer top cover by
pressing up the top cover
open tabs located on each
side of the printer and lifting
the top cover to the maximum
open angle.
2. Remove four screws on the
lower inner cover.
3. Disconnect the connector on
key pad assembly.

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Bar Code Printer Service Manual
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4. Remove/Replace the top
cover assembly (including key
pad assembly).
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 Top Cover Open Lever Assembly
1. Please refer to section 3.1 to
remover the top cover.
2. Remove four screws on as
picture shown on the levers.
3. Take out two springs.
4. Remove/Replace the top
cover open lever 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 Main Board Assembly
1. Remove four screws on the
printer lower cover.
2. Disconnect all connectors on the main board.
3. For DA210 series, remove one screw to replace the main board assembly.
For DA220 series, remove four screws to replace the main board assembly.
DA210/DA310 series
DA220/DA320 series
4. Reassemble the parts in the reverse procedure.

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Bar Code Printer Service Manual
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3.4 Replacing the Stepping Motor Module
1. Please refer to the section 3.3 to remove the lower cover.
2. Remove two screws as shown to replace the stepping motor. Please note that the
screwed positions of 203 dpi and 300 dpi are different. (The gear driver system of
203 dpi and 300 dpi is different.)
DA210/ DA220 (203 dpi)
DA310/ DA320 (300 dpi)
3. Reassemble the parts in the reverse procedure.

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Bar Code Printer Service Manual
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3.5 Replacing the Black-mark Sensor Module
1. Please refer to the section 3.3 to
remove the lower cover.
2. Remove one screw and one
connector to replace the
black-mark sensor board.
3. Reassemble the parts in the
reverse procedure.

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Bar Code Printer Service Manual
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3.6 Replacing the Media Holder Assembly
1. Please refer to the section 3.3
to remove the lower cover.
2. Remove two screws to take off
the black mylar.
3. Separate the media holders to the remove two screws on one side of media
holder.
4. Replace one side of media holder.

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Bar Code Printer Service Manual
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5. Then, use the same steps to replace another side for replacing media holder
assembly. Reassemble the parts in the reverse procedure.
For another side