TSC TTP-286MT Series User manual

TTP-286MT/ TTP-384MT Series
SERVICE
MANUAL
THERMAL TRANSFER / DIRECT THERMAL
BAR CODE PRINTER

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TABLE OF CONTENT
1. FUNDAMENTAL OF THE SYSTEM....................................................................................1
1.1. Overview.............................................................................................................................. 1
2. ELECTRONICS.......................................................................................................................5
2.1 Summary of Board Connectors...................................................................................... 5
2.2 Pin Configuration .............................................................................................................10
3. MECHANISM.........................................................................................................................12
3.1 Remove Covers ................................................................................................................12
3.2 Replacing the LCD Panel Module ................................................................................14
3.3 Replacing the Power Supply Unit................................................................................16
3.4 Replacing Multi-interface Board ..................................................................................17
3.5 Replacing the Main Board..............................................................................................18
3.6 Replacing the Platen Roller Assembly.......................................................................19
3.7 Replacing the Stepping Motor ......................................................................................20
3.8 Replacing the Printhead ASS'Y....................................................................................21
3.9 Replacing the Gap and Black-mark Sensor Module...............................................23
3.10 Replacing the DC Motor...............................................................................................24
3.11 Installing the Cutter Module........................................................................................25
3.12 Replacing the Cutter Driver IC Board.......................................................................27
4. TROUBLESHOOTING.........................................................................................................29
4.1 Common Problems..........................................................................................................29
5. MAINTENANCE....................................................................................................................33
UPDATE HISTORY...................................................................................................................35

1
1. FUNDAMENTAL OF THE SYSTEM
1.1. Overview
Front View
1. LED indicators
2. Touch screen
3. Operation buttons
4. Media viewer
5. Paper exit chute
6. Printer right side cover opener
2
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3
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Interior View
1. Ribbon rewind spindle
2. Ribbon supply spindle
3. Print head pressure adjustment knobs
4. Print head release lever
5. Label roll guards
6. Label supply spindle
7. Media guide bar
8. Black mark sensor
9. Print head
10. Ribbon sensor
11. Gap sensor
12. Platen roller
13. Label guide
14. Fixed screw
2
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3
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3
Rear View
1. External label entrance chute
2. Power cord socket
3. Power switch
4. Ethernet interface
5. * SD card socket
6. USB interface
7. USB host
8. RS-232C interface
9. GPIO interface (Option)
10. Centronics interface
Note:
The interface picture here is for reference only. Please refer to the product
specification for the interfaces availability.
1
3
2
4
7
6
5
8
9
10

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* Recommended SD card specification
Type
SD card spec
SD card capacity
Approved SD card manufacturer
SDHC
V2.0 Class 4
2G
Transcend
V3.0 Class 10
32G
Kingston
V3.0 Class 10
16G
Kingston
V2.0 Class 4
8G
Scandisk
V3.0 Class 10
32G
Scandisk
Micro SD
V2.0 Class 4
4G
Transcend
V2.0 Class 4
8G
Transcend
V3.0 Class 10 UHS-I
16G
Transcend
V3.0 Class 10 UHS-I
32G
Transcend
V3.0 Class 10
16G
Kingston
V2.0 Class 4
16G
Scandisk
V3.0 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.
- The miniSD/microSD card to SD card slot adapter is required.

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2. ELECTRONICS
2.1 Summary of Board Connectors
Main board
Connector
Description
1
Ethernet RJ-45 connector
2
SD card slot
3
USB device connector
4
USB host connector
5
RS-232C connector
6
Microprocessor
7
GPIO connector
2
3
5
10
6
12
11
20
19
16
17
4
1
7
18
21
22
23
24
25
14
15
9
8
13

6
6
8
Centronics port FPC connector
9
TFT LCD panel FPC connector
10
KEY & LED connector
11
USB host internal connector (Reserve)
12
I2C internal connector (Reserve)
13
RFID module connector (4”6pin / 6”or 8”4pin)
14
Ribbon recover sensor connector (For 6”8”used only) (Blue)
Pin
Description
Voltage
1
Ribbon encoder sensor
emitter power pin
4.0~4.15V
2
Ribbon encoder sensor
receiver
A/D: 0~3.3V
3
GND
0V
4
DC motor signal pin
5
DC motor signal pin
15
Ribbon supply sensor connector (For 6”8”used only) (Red)
Pin
Description
Voltage
1
Ribbon encoder sensor
emitter power pin
4.0~4.15V
2
Ribbon encoder sensor
receiver
A/D: 0~3.3V
3
GND
0V
4
DC motor signal pin
5
DC motor signal pin
16
Power supply output (24V DC) connector
17
Stepping motor connector
18
Print head data connector
19
Print head power connector
20
Cutter/peel-off sensor connector
5 4 3 2 1
5 4 3 2 1

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7
Note:
9 Pin Mini Din for cutter/peel-off module connector
Pin
Description
Voltage
1
Cutter enable
0V: Cutter work
5V: Cutter stop
2
Cutter direction
0V: Cutter positive cut
5V: Cutter negative cut
3
Cutter position sensor
switch
0V: Cutter stop
3.3V: Cutter work
4
Peel sensor receiver
A/D: 0~3.3V
5
N/A
N/A
6
Logic power
5V
7
GND
0V
8
Cutter power
24V
9
I2C SCL signal
10
I2C SDA signal
21
Head open sensor connector
Pin
Description
Voltage
1
Head open sensor emitter
power pin
1.2~1.4V
2
GND
0V
3
Logic power
3.3V
4
Head open sensor receiver
0V: Head close
3.3V: Head open
22
Ribbon sensor connector
Pin
Description
Voltage
1
Ribbon sensor receiver
A/D: 0~3.3V
2
Ribbon sensor emitter
power pin
5V
3
GND
0V
4
Ribbon sensor emitter
4.0~4.1V: Emitter on
4.3~4.4V: Emitter off
23
Black mark sensor connector (For 6”8”used only)
4
3
2
1
4
3
2
1
1 2
3 4
5 6
7 8
9 10

8
8
Pin
Description
Voltage
1
Black mark sensor
receiver
A/D: 0~3.3V
2
Black mark sensor emitter
power pin
5V
3
GND
0V
4
Black mark sensor emitter
4.0~4.1V: Emitter on
4.3~4.4V: Emitter off
24
Gap sensor connector
Pin
Description
Voltage
1
Power
5V
2
Gap sensor emitter
4.0~4.1V: Emitter on
4.3~4.4V: Emitter off
3
Black mark sensor emitter
4.0~4.1V: Emitter on
4.3~4.4V: Emitter off
4
Gap and black mark
sensor receiver
A/D: 0~3.3V
5
GND
0V
25
Rewind connector
Pin
Description
Voltage
1
Power
24V
2
Cutter direction signal
3
Cutter enable signal
4
Cutter position sensor
switch signal
5
GND
0V
5
4
3
2
1
5
4
3
2
1
4
3
2
1

9
9
GPIO with multi-interface board
Connector
Description
Remark
1
GPIO connector
2
GPIO power and control signal connector
3
Centronics port connector
4
Centronics port FPC connector
2
1
4
3

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10
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
USB
PIN
CONFIGURATION
1
N/C
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. Whenthis 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. Whenthis pin is de-asserted, the +ve
clock edge should be used to shift the data into the
host.
11
Busy
N/A
Out
Whenin reverse direction, a high indicates data,
while a low indicates a commandcycle.In forward
direction, it functions as PtrBusy.
12
Paper Out /
N/A
Out
Whenlow, device acknowledges reverse request.

11
11
End
13
Select
N/A
Out
Extensibility flag
14
Ground
N/A
GND
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 setby the device indicates that the reverse
data is available
33-35
Ground
N/A
GND
Ground
36
No Defined
N/A
N/A
Ethernet
PIN
CONFIGURATION
1
Tx+
2
Tx-
3
Rx+
4
N/C
5
N/C
6
Rx-
7
N/C
8
N/C
GPIO

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3. MECHANISM
3.1 Remove Covers
1. Remove 4 screws from printer.
2. Open printer right side cover and remove 2 screws then close the cover.
3. Remove the electronics cover.
Screws
Screws
Electronics
cover

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4. Remove 3 screws from each hinge. Be careful the right side cover may fall out from the
printer. Take out the right side cover from the printer.
5. Reassemble the parts in the reverse procedures.
Screws
Right side cover

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14
3.2 Replacing the LCD Panel Module
1. Refer to section 3.1 to remove the electronics cover.
2. Remove 2 screws on the module bracket.
3. Push the tab to remove the LCD panel module.
4. Remove 4 screws to remove the module bracket.
PUSH

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15
5. Disconnect 3 harnesses to replace the LCD panel module.
6. Reassemble the parts in the reverse procedures.

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3.3 Replacing the Power Supply Unit
1. Refer to section 3.1 to remove the electronics cover.
2. Disconnect 2 connectors and remove 2 screws on the power supply unit.
3. Replace the power supply unit.
4 . Reassemble the parts in the reverse procedures.
Screws

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3.4 Replacing Multi-interface Board
1. Refer to section 3.1 to remove the electronics cover.
2. Remove 2 screws from multi-interface board. Disconnect 2 connectors.
3. Replace the multi-interface board.
4. Reassemble the parts in the reverse procedures.
Screws

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3.5 Replacing the Main Board
1. Refer to section 3.1 and 3.4 to remove electronics cover and multi-interface board.
2. Remove 4 screws to take off the interface plate.
2. Disconnect all connectors from the main board. Remove 2 copper pillars and 2 screws.
4. Replace the main board.
5. Reassemble the parts in the reverse procedures.
Copper pillars
Screws