LINKO K-605B DTF Printer Carriage Board Replacement and Wiring Guide

Applicable Model: LINKO K605B 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	Power Input	–	24V main power input	Yellow-Black-White Cable
②	Power Input	MOVE CAR POWER	42V main power input	Red-Black-Yellow-White Cable
③	Optical Fiber (SFP Port)	–	Main data communication (connects mainboard and carriage board)	SFP Fiber Cable
④	Decoder	–	Detects carriage position	Red-Yellow-White Cable

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2.2 Unscrew the four mounting screws under the carriage board slots. (See Figure 2.2)

2.3 Disconnect cables ②–④ in sequence. (See Figure 2.1-1)

2.4 Remove the printhead flat cables in the original order and secure them with a rubber band to avoid confusion. (See Figure 2.4)

2.5 Unscrew the fixing screw for cable ① shown in Fig. 2.1-1, then disconnect the cable.

2.6 Cut off the cable tie securing the decoder cable ④. (See Figure 2.6)

2.7 Remove the carriage board together with its base, then unscrew the fixing screws and separate the board from the base. (See Figure 2.7-1/2.7-2)

2.8 Place the old carriage board in an anti-static bag for storage. (See Figure 2.8)

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 Use a new cable tie to fix the decoder cable securely. (See Figure 2.6)

3.4 Reconnect cable ① and tighten its fixing screws. (See Figure 3.4)

Step 4. Reconnect All Cables

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

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

4.2 Reconnect the printhead flat cables in their original order.

4.3 Tighten the four screws under the carriage board slots. (See Figure 2.2)

Tip:
After all connections are completed, 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