TSC TDM-20 Manuale utente

SERVICE

MANUAL

TDM-20

Direct Thermal Portable Printer

Contents

1. FUNDAMENTAL OF THE SYSTEM................................1

1.1 Overview..........................................................................................................1

2. ELECTRONICS ..............................................6

2.1 Summary of Board Connectors ......................................................................6

3. MECHANISM ................................................9

3.1 Replacing the Printer Top Cover (with Keys Control Board).........................9

3.2 Replacing the Linerless Platen Roller (Option)............................................10

3.3 Replacing the Platen Roller ..........................................................................11

3.4Replacing the Keys Control Board ...............................................................12

3.5 Replacing the Main Board Assembly............................................................13

3.6 Replacing the Print Mechanism....................................................................14

4. TROUBLESHOOTING ........................................15

4.1 Common Problems........................................................................................15

5. Maintenance ...............................................16

Revise History................................................17

1. FUNDAMENTAL OF THE SYSTEM

1.1 Overview

Front View

1. Power on/off button

2. Feed/stop button

3. LED indicators

4. Media cover

5. Media view window

6. Media cover release button

Interior View

1. Tear edge

2. Print head

3. Platen roller

4. Black mark sensor

Rear View

1. Li-ion Battery

2. Battery open clasp

3. Interface cover

4. Power jack

5. USB interface

LED Indication and Keys

1. Power on/off button

2. Feed/Pause button

3. Printer status LED indicator

4. Battery charge level LED indicators

5. Wireless status LED indicator

Keys

Function

1. Press and hold for 2-3 seconds to turn on the printer.

2. Press and hold for 2-3 seconds to turn off the printer.

1. Ready status: Feed one label

2. Printing status: Pause the print job

LED

Status

Indication

Printer status LED

indicator

Off

Printer is ready

Green (blinking)

Printer is paused

Green (blinking every two

seconds)

Sleep mode/ entered the

sleep mode after stop

working over 2 minutes

(The interval can be

changed by revising the

command, refer to

TSPL/TSPL2

programming manual on

TSC website).

Red (solid)

Media cover is open

Red (blinking)

Printer error

Amber (blinking)

Battery is charging.

Battery status LED

indicator

Green (blinking)

Battery is charging.

Green (solid)

Battery is charged.

Wireless/Bluetooth

status LED

indicator

Bluetooth/

Wi-Fi

Blue (blinking)

Bluetooth/ Wi-Fi device is

communicating.

Blue (solid)

Bluetooth/ Wi-Fi device is

ready.

2. ELECTRONICS

2.1 Summary of Board Connectors

Main board top

Connector

Description

12V DC IN

Micro USB Connector

LED Key Board Connector

Download F/W Connector

Description

3.3V

MCI0_DA0

MCI0_DA1

MCI0_DA2

MCI0_DA3

MCI0_CK

MCI0_CDA

No Connection

GND

TPH Connector

WiFi Module Connector

Description

RESET

3.3V

RTS

MISO

CTS

MOSI

CLK

Interrupt

WB GPIO

GND

Cradle Connector

Description

12V

Charge Status

ISET

GND

RTC Battery

Description

VDDBU

GND

Main board bottom

Connector

Description

Battery connector

Description

Negative (-)

NTC

Positive (+)

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