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Brother HL-3400CN Series User Manual

Page 218

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CHAPTER 5 MAINTENANCE

5-61

7. Install the main controller board into the printer by sliding it into the

guide rails.

Fig. 5-81 Install the main controller board

8. Secure the main controller board with the 2 screws.

9. Connect the printer interface cable, AC power cord and turn the

printer on.

10. Format the HDD from the control panel. See

Chapter 4

for details.