Brother HL-L3230CDW Wireless Compact Printer - Manual (Page 302)

Make sure you put the toner cartridge in correctly or it may separate from the drum unit.
13. Slide the toner cartridge and drum unit assemblies into the machine. Make sure that you match the toner
cartridge color to the same color label on the machine.
BK
C
M
Y
14. Close the machine's top cover.
15. Press to turn on the machine.
Related Information
• Clean the Machine
• Improve the Print Quality
297