Fig. 6-23 ; Fig. 6-24 ; Fig. 6-25 - Page 173

Brother HL-3450CN User's Guide

Table of Contents

CHAPTER 5 MAINTENANCE
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CHAPTER 6 OPTIONS 

6-17 

 

5. 

Fit the 4 HD-6G/HD-EX shoulder 
screws into the 4 holes of the 
main controller board, and then 
secure the shoulder screws with 
the screws provided from the rear 
of the PCB. 

 

Fig. 6-23 

6. 

Connect the flat cable to the main 
controller board. 

 

Fig. 6-24 

7. 

Install the main controller board 
into the printer by sliding it into 
the guide rails. 

 

Fig. 6-25 

8. 

Secure the main controller board with the 2 screws. 

9. 

Reconnect the interface cable to the printer.  Plug the power cord into the 
AC outlet, and then turn on the printer. 

10. 

Format the HD-6G/HD-EX from the control panel.  See Chapter 4 for 
details. 

Detailed Information for Brother HL-3450CN User's Guide

Lists of information found in Brother HL-3450CN User's Guide - Page 173

  • 5. Fit the 4 HD-6G/HD-EX shoulder screws into the 4 holes of the main controller board, and then secure the shoulder screws with the screws provided from the rear of the PCB.
  • 6. Connect the flat cable to the main controller board.
  • 7. Install the main controller board into the printer by sliding it into the guide rails.
  • 8. Secure the main controller board with the 2 screws.
  • 9. Reconnect the interface cable to the printer.

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