Brother HL-2400C Series - Manual (Page 168)

CHAPTER 5 MAINTENANCE
5-27
Periodical Printer Cleaning
Every 20,000 pages printed or every 12 months, clean the following parts with
a dry cloth.
Clean the Paper Guide and Registration Roller to prevent paper mis-picking.
Fig. 5-33-1 Paper Guide and Registration Roller
Clean the Exit Roller after opening the Top Cover slightly. This will help
to prevent paper jams at the paper exit or dirt appearing on the printed
paper.
Fig. 5-33-2 Top cover and Exit Roller