Main Logic Board Maintenance Kit

Installation Instructions

This kit includes the parts and documentation necessary to install the Main Logic Board maintenance kit in the ZT400™ series printers.

Read these instructions thoroughly before installing this kit.

Parts List

Before proceeding, verify that your kit contains the items for your printer listed below.

Figure 1 • Kit Contents

Table 1 • Parts List

Item Qty Part Number Description

Ref 1 P1058930-030 ZT400 series Main Logic Board Maintenance Kit

1 1 N/A Main Logic Board (MLB)

2 2 HW32406 Stand off (sold in quantities of 25)

3 2 HW45945 Lock Washer (sold in quantities of 100)

4 8 HW43968 Screw, M3 × 0.5 × 6 (sold in quantities of 25)

N/A = Not available as a separate part (listed for identification purposes only).

1

4

2 3

© 2013 ZIH Corp. All product names and numbers are Zebra trademarks, and Zebra and the Zebra logo are registered trademarks of ZIH Corp. All rights reserved.

P1060941-001 Rev. A10/29/13

Main Logic BoardRemove the Electronics Cover

2

Tools Required

Remove the Electronics Cover

1.

2.

Tools • You need these tools to complete this procedure:

Phillips Screwdriver Set

Antistatic Wrist Strap and Mat

Nut Driver Set

Important • This repair may alter the NFC functionality experience. If full NFC functionality is required for your situation, please contact Zebra Technical Support at the end of the installation.

Caution • This installation must be performed by a qualified service technician.

Note • Retain all parts removed during disassembly, unless otherwise directed.

Caution • Turn off (O) the printer and disconnect it from the power source before performing the following procedure.

Turn off (O) the printer and disconnect the AC power cord and all data cables.

Caution • While performing any tasks near an open printhead, remove all rings, watches, hanging necklaces, identification badges, or other metallic objects that could touch the printhead.

Open the media door and remove the media and ribbon.

P1060941-001 10/29/13

3Main Logic BoardRemove the Electronics Cover

3. See Figure 2. Remove the screw securing the electronics cover.

Figure 2 • Locate the Electronics Cover Mounting Screw

4. Close the media door.

1 Media door

2 Electronics cover flange

3 Mounting screw

1

2

3

10/29/13 P1060941-001

Main Logic BoardRemove the Electronics Cover

4

5. See Figure 3. Remove the three mounting screws securing the electronics cover to the printer.

Figure 3 • Remove the Electronics Cover Mounting Screws

6. Remove the electronics cover by lifting up on the electronics cover.

7.

8. Are there any option boards installed?

1 Electronics cover

2 Mounting screws (3)

2

1

Caution • Observe proper electrostatic safety precautions when handling static-sensitive components such as circuit boards and printheads.

Connect yourself to an antistatic device.

If… Then…

Yes Go to Remove the Option Boards on page 5.

No Go to Remove the Main Logic Board on page 6

P1060941-001 10/29/13

5Main Logic BoardRemove the Option Boards

Remove the Option Boards

1. See Figure 4. Remove the two screws securing each installed option board to the printer.

Figure 4 • Remove the Option Boards

2. Remove the option boards.

1 Upper option mounting hole

2 Lower option mounting hole

3 Mounting screws (2 each option)

1

2

3

3

10/29/13 P1060941-001

Main Logic BoardRemove the Main Logic Board

6

Remove the Main Logic Board

1. See Figure 5. Disconnect all cables from the main logic board (MLB).

Figure 5 • Main Logic Board Interconnections

J1 USB Cable Connector J17 Rewind/LTU/Cutter Connector

J2 Control Panel J20 Lower Media Sensor

J5 USB 2 Connector J21 Serial Port

J7 Option Card Connector J24 Control Panel

J8 Shutdown Pack J26 Power Output

J10 Transmissive Sensor J27 Print Mechanism Path Light

J11 Ribbon Sensor J28 Upper Media Sensor

J12 Head Open Sensor J29 RFID Connector

J13 Take-Label Sensor J30 Ethernet

J14 Power Supply J31 Option Card Connector

J15 Data Interface J32 Media Path Light

J16 Printhead Data Cable J37 Ribbon Low Quadrature Sensor

J21

J1

J5

J30

J31

J7

J8

J14

J20

J37J28

J10

J13

J12J11

J32

J27J16

J29

J17

J26

J15

J24 J2

P1060941-001 10/29/13

7Main Logic BoardRemove the Main Logic Board

2. See Figure 6. Remove the two standoffs and lock washers securing the serial port to the rear of the printer.

Figure 6 • Remove the Main Logic Board

3. Remove the eight screws securing the MLB to the printer.

4. Remove the MLB.

1 Standoffs (2)

2 Lock washers (2)

3 Main logic board

4 Mounting screws (8)

5 Serial port

6 Serial port mounting hole

1

2

43

5

6

10/29/13 P1060941-001

Main Logic BoardInstall the New Main Logic Board

8

Install the New Main Logic Board

1. Align the serial port with the serial port mounting hole.

2. Slide the main logic board into the printer.

3. Install the eight new mounting screws.

4. Install the two standoffs and lock washers to secure the serial port.

5. See Figure 5 on page 6. Connect all cables removed previously to the new main logic board.

6. See Figure 5 on page 6. Reinstall any option boards the were removed.

Reinstall the Electronics Cover

1. See Figure 3 on page 4. Slide the electronics cover onto the printer.

2. Install the three electronics side mounting screws.

3. See Figure 2 on page 3. Open the media cover and reinstall the media side mounting screw.

4. Reconnect the AC power cord and all data cables.

5. Turn on (l) the printer.

The installation is complete.

Printed in on chlorine-free recycled paper. P1060941-001