LINKO A-602 DTF Printer Carriage Board Replacement and Wiring Guide

Applicable Model: LINKO A-602 DTF Printer

Step 1. Preparation Before Starting

1.1 Activate the emergency stop switch: Press the emergency stop switch to stop the printer. (See Figure 1.1)

1.2 Before performing any operation, turn off the power and unplug the power cord.
Failure to do so may cause permanent damage to the carriage board or electric shock.

1.3 Tip: Use your phone to take clear photos of the original carriage board wiring. These will help you reconnect the cables correctly later.

Step 2. Remove the Old Carriage Board

2.1 Carriage Board Wiring Diagram.

No.	Interface	Cable ID	Description	Cable Type
①	Optical Fiber (SFP Port)	–	Main data communication (connects mainboard and carriage board)	SFP Fiber Cable
②	Encoder Sensor	–	Detects carriage position	Signal Cable
③	Carriage Anti-Collision	FZ	Detect obstacles in front of the carriage to prevent collisions	Signal Cable
④	Power Input	TB42V+ TB42V-	42Vmain power input	Power Cable

2.2 Disconnect cables ①–④ in sequence. (See Figure 2.1-1)

2.3 Hold the carriage adapter card firmly on both sides and lift it straight up together with the flat cables.(See Figure 2.3-2)

2.4 Unscrew the four corner mounting screws of the carriage board (See Figure2.4)

2.5 Place the old carriage board,and put it in an anti-static bag for storage. (See Figure2.5)

Step 3. Install the New Carriage Board

3.1 Confirm that the new carriage board model matches the old one.

3.2 Align the new board with the mounting holes on the base, place it gently, and tighten all screws. (See Figure 2.7-2)

3.3 Reinstall the carriage board adapter card together with the printhead cables onto the carriage board. Ensure correct installation by following Figures 3.3-1, 3.3-2, and 3.3-3.

Step 4. Reconnect All Cables

4.1 Refer to Figure 2.1-1 Carriage Board Wiring Diagram and reconnect all cables in order.

Ensure each cable is fully inserted, oriented correctly, and firmly connected.

Tip:
After completing all connections, take a clear photo of the wiring and send it to the LINKO Technical Support Team for confirmation before powering on.

Step 5. Power-On Check

5.1 Final Inspection: Check again to ensure all cables are secure and correctly connected.

5.2 Power On: Plug in the power cord and turn on the main power switch. (See Figure 1.2-2)

5.3 Release the Emergency Stop Switch: Turn the emergency stop switch clockwise to restore the machine’s circuit connection. (See Figure 5.3-1)

If you are not sure about any step, please contact the LINKO Technical Support Team for assistance.

LINKO Technical Support
Email: support@dtflinko.com
Website: www.dtflinko.com