Question about Lexmark T644 Laser Printer
Check the F1 fuse on the Low Voltage Power Supply. They are known to have problems with the metal clamps that the fuse snaps into start oxidizing. Because of this, the fuse doesn't make good contact to the metal. If this isn't the problem, then the fuser will need to be replaced.
Posted on Aug 11, 2010
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Posted on Jan 02, 2017
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have to replace your fuser assembly. (Assembly 115V fuser) (40X3569)
I suggest you contact Lexmark Technical Support for further diagnosis.
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