User Manual - Page 133

For HL-1850. Series: HL-1800

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CHAPTER 5 MAINTENANCE
5-13
4.
Unpack the new Drum Unit.
!
Caution
Wait to unpack a Drum Unit until immediately before you put it in the printer.
If an unpacked Drum Unit is put in direct sunlight or room light, the unit may
be damaged.
5.
Put the Toner Cartridge into the new Drum Unit until you hear it lock into
place with a click. When the Toner Cartridge is fitted correctly, the Lock
Lever is will automatically lift up.
!
Caution
Make sure you fit the toner cartridge correctly, or it may separate from the
Drum Unit when you pick up the Drum Unit Assembly.
6.
Put the drum unit back in the printer.
7.
Reset the drum counter (see the instructions supplied with the new drum
unit).
Note
Do not reset the drum counter if you are only replacing the toner cartridge.
8.
Close the Front Cover.
Note
We recommend that you clean the printer when you replace the Drum Unit.
See “How to Clean the Printer” in this chapter.
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