Caution - Page 133

CHAPTER 5 MAINTENANCE 

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  4.

Unpack the new Drum Unit. 

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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. 

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  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. 

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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. 

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 6.

Put the drum unit back in the printer.  

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  7.

Reset the drum counter (see the instructions supplied with the new drum 
unit).  

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  Note 

Do not reset the drum counter if you are only replacing the toner cartridge. 

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  8.

Close the Front Cover. 

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  Note 

We recommend that you clean the printer when you replace the Drum Unit.  

See “How to Clean the Printer” in this chapter.