TSC TTP-384M User manual

TTP-384M
SERVICE
MANUAL
THERMAL TRANSFER / DIRECT THERMAL
BAR CODE PRINTER

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TTP-384M
Bar Code Printer Service Manual
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....................................................................................................8
3. MECHANISM........................................................................................................... 11
3.1 Remove Covers.....................................................................................................11
3.2 Replacing the LCD Panel Module........................................................................13
3.3 Replacing the Power Supply Unit........................................................................14
3.4 Replacing Multi-interface Board..........................................................................15
3.5 Replacing the Main Board....................................................................................16
3.6 Replacing the Platen Roller Assembly................................................................17
3.7 Replacing the Stepping Motor.............................................................................18
3.8 Replacing the Printhead ASS'Y ...........................................................................19
3.9 Replacing the Gap and Black-mark Sensor Module..........................................21
3.10 Replacing the DC Motor.....................................................................................23
4. TROUBLESHOOTING............................................................................................. 25
4.1 Common Problems...............................................................................................25
5. MAINTENANCE.......................................................................................................29
UPDATE HISTORY......................................................................................................31

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TTP-384M
Bar Code Printer Service Manual
1. FUNDAMENTAL OF THE SYSTEM
1.1. Overview
Front View
1. LED indicators
2. LCD display
3. Front panel buttons
4. Paper exit chute
5. Printer cover
6. Cutter module (Optional)
1
2
3
4
6
5

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Bar Code Printer Service Manual
Interior View
1. Ribbon rewind spindle
2. Print head pressure adjustment knobs
3. Printhead
4. Ribbon sensor
5. Media sensor
6. Platen roller
7. Printhead release lever
8. Ribbon supply spindle
9. Label supply spindle
10. Media guide bar
11. Label guide
5
10
8
9
6
2
11
1
4
3
7

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Rear View
1. Fan-fold paper entrance chute
2. Centronics interface
3. USB interface
4. RS-232C interface
5. Power jack socket
*6. SD card slot
7. Ethernet interface
8. PS/2 interface
9. Power switch
* Recommended SD card specification.
SD card spec
SD card capacity
Approved SD card manufacturer
V1.0, V1.1
128 MB
SanDisk, Transcend
V1.0, V1.1
256 MB
SanDisk, Transcend, Panasonic
V1.0, V1.1
512 MB
SanDisk, Transcend, Panasonic
V1.0, V1.1
1 GB
SanDisk, Transcend, Panasonic
V2.0 SDHC CLASS 4
4 GB
V2.0 SDHC CLASS 6
4 GB
SanDisk, Transcend, Panasonic
V1.0, V1.1
microSD 128 MB
Transcend, Panasonic
1
3
5
4
2
9
6
7
8

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Bar Code Printer Service Manual
V1.0, V1.1
microSD 256 MB
Transcend, Panasonic
V1.0, V1.1
microSD 512 MB
Panasonic
V1.0, V1.1
microSD 1 GB
Transcend, Panasonic
V2.0 SDHC CLASS 4
microSD 4 GB
Panasonic
V2.0 SDHC CLASS 6
microSD 4 GB
Transcend
V1.0, V1.1
miniSD 128 MB
Transcend, Panasonic
V1.0, V1.1
miniSD 256 MB
Transcend, Panasonic
V1.0, V1.1
miniSD 512 MB
Transcend, Panasonic
V1.0, V1.1
miniSD 1 GB
Transcend, Panasonic
V2.0 SDHC CLASS 4
miniSD 4 GB
Transcend
V2.0 SDHC CLASS 6
miniSD 4 GB
- 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
Remark
1
Centronics port connector
J8
2
USB connector
J5
3
RS-232C connector
J4
4
Head open sensor connector
TPH-OP
5
LCD panel connector
LCD-PANEL
6
Multi-interface board connector
J11
7
Micro processor
CPU
1
2
3
4
5
6
7
9
10
8
11
12
16
13
14
15

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8
Gap sensor connector
GAP/BM,BM1
9
Ribbon sensor connector
RIBBON
10
Cutter/peel-off sensor connector
CUT&PEEL
11
RFID module connector
EX_SIO
12
Stepping motor connector
JP14
13
Ribbon encoder sensor connector
JP3,JP5
14
Power supply output (24V DC) connector
CN3
15
Power (24V DC) connector
J6
16
Printhead connector
TPH_C,JP2
Multi-interface board
Connector
Description
Remark
1
Main board connector
2
SD card slot
3
Ethernet RJ-45 connector
4
PS/2 connector
1
3
2
4

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GPIO with multi-interface board (Optional)
Connector
Description
Remark
1
GPIO connector
2
Main board connector
3
SD card slot
4
Ethernet RJ-45 connector
5
PS/2 connector
6
GPIO power connector
2
1
4
3
5
6

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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
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. 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,

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Bar Code Printer Service Manual
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
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 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
PS/2
PIN
CONFIGURATION
1
KBD Clock
2
GND
3
KBD Data
4
N/C
5
+5V(VCC)
6
N/C

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Bar Code Printer Service Manual
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.
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.
Screws
Screws
Screws
Electronics
cover
Right side cover

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5. Reassemble the parts in the reverse procedures.

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3.2 Replacing the LCD Panel Module
1. Refer to section 3.1 to remove the electronics cover.
2. Disconnect harness from the LCD panel module.
3. Push two tabs to remove/replace the LCD panel module.
4. Remove 5 screws to replace LCD panel PCB ASS'Y and LCD panel ASS'Y.
5. Reassemble the parts in the reverse procedures.
LCD panel
module
LCD panel PCB assembly
PUSH
PUSH
Harness

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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.
---- Screw
---- Connector
3. Replace the power supply unit.
4 . Reassemble the parts in the reverse procedures.

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3.4 Replacing Multi-interface Board
1. Refer to section 3.1 to remove the electronics cover.
2. Remove 4 screws then take off the interface plate.
3. Remove 2 screws.
4. Replace the multi-interface board.
5. Reassemble the parts in the reverse procedures.
Screws
Connector
Screws
Interface
plate
Multi-interface
board
Copper pillar
Copper pillar

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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. Disconnect all connectors from the main board.
3. Remove 2 copper pillars and 3 screws.
4. Replace the main board.
5. Reassemble the parts in the reverse procedures.
Copper pillars
Screws

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3.6 Replacing the Platen Roller Assembly
1. Open printer right side cover.
2. Disengage print head lift lever.
3. Remove the cutter module or lower front panel.
4. Remove 4 screws from the platen holder.
5. Take out the platen holder, platen roller assembly and replace a new platen roller
assembly.
6. Reassemble the parts in the reverse procedures.
Screws
Platen roller assembly
Holder
Screws

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3.7 Replacing the Stepping Motor
1. Refer to section 3.1 to remove the electronics cover.
2. Disconnect the stepping motor connector from the main board.
3. Remove 3 screws on the stepping motor.
4. Replace the stepping motor.
5. Reassemble the parts in the reverse procedures.
Stepping motor
connector
Screws