Brother HL-3450CN - Manual (Page 151)

CHAPTER 5 MAINTENANCE
5-35
10. Press Set, and then press + until “240K KIT” appears.
11. Press Set, and then press Go. The printer is now in the READY state.
Note
•
User replacement of some of these parts is not recommended.
•
For replacement of the Paper Feeding Roller, Separator Pad and the
Transfer Drum, consult your local dealer/retailer.
•
Actions 7 to 11 should only be carried out by your dealer or Brother
authorized service center when they replace the Paper Feeding
Roller, Separator Pad and the Transfer Drum.
• Replacement of only the Transfer Roller is not a full 240K service so
the counter should not be reset until these additional parts are
replaced.