Dell M5200 Medium Workgroup Mono Laser Printer - Manual (Page 193)

Order a new toner cartridge so you will have it on hand when the current cartridge no longer prints
satisfactorily. See
Ordering supplies for information on ordering toner cartridges.
CAUTION: Dell does not recommend that you use toner cartridges from a third-party
refiller. Print quality and printer reliability cannot be guaranteed if you do. For best results,
use Dell supplies.
Removing the used toner cartridge
Turn the printer off and unplug the printer power cord. 1.
NOTE: Remove any print jobs from the output bin before opening the lower and upper front doors.
Press latch 1 to open the lower door. Press latch 2 to open the upper door. 2.