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Installing charge roller Lexmark T640 T642 T644

1.  Open the front cover and remove the print cartridge. 

2.  Carefully remove the roller by pressing outward and to the right on the charge roll link arm, and remove the charge roll from the right side bearing.

3.  Remove the charge roll from the left side bearing and remove the roll from the printer. 

4.  To prevent skin oils from contaminating the roller, avoid touching the shaft of the roller, or just  leave the paper wrapped around the new charge roll until it is completely seated and installed.