Lexmark Optra T640, T642, T644 Fuser Removal Instructions

 

Instructions for the  Lexmark Optra T640, T642, T644 Fuser Removal  

Below you will find the instructions for the  Lexmark Optra T640, T642, T644 Fuser Removal along with buying options. I chose this fuser because of the price and the detailed description. Read the paragraph below for additional details.

Alright, the estimated fuser life on these machines is rated at 300,000. I find that majority of third party or rebuild fusers struggle to reach this number. I typically stay away from any Lexmark fuser that says refurbished. Their are companies making “OEM quality fusers” or you have Lexmark OEM fusers. I typically buy the OEM quality fusers and understand that they will probably last between 150,000 – 300,000 prints. Rebuilds tend to last to 100,000 on a good day, most are lucky to hit 150,000. Not all fusers are the same and neither are the companies. I’m just speaking from my own personal experience.

Lexmark 40X2592 T640, T642, T644 110-127V Fuser (1 Each)

Redrive Door Removal

1. With the redrive door partially open, lift and free the left side.
2. Remove the redrive door.

Lexmark Optra T640, T642, T644 redrive door removal

Fuser wiper cover assembly removal
1. Squeeze the two latches together, and pull up.
2. Remove the fuser wiper cover assembly.

Lexmark Optra T640, T642, T644 Fuser wiper cover removal

Redrive Removal Procedure
1. Remove the redrive door assembly.
2. Remove the redrive exit cover.
3. Remove the redrive assembly mounting screws (2 Lower RED squares).
4. Release the redrive assembly mounting latches (2 Upper RED squares) and remove the redrive assembly.

Lexmark Optra T640, T642, T644 Redrive Assembly removal


Lexmark T640, T642, T644 Fuser Removal Procedure
3. Remove the fuser mounting screws.
Lexmark Optra T640, T642, T644 Fuser Removal

4. Disconnect the fuser to LVPS AC cable from the fuser lamp connector.

Lexmark Optra T640, T642, T644 Fuser AC connector removal

5. Disconnect the fuser to system board DC cable (D) from the fuser board.

Note: Be sure to observe the routing of the LVPS to fuser lamp AC and the DC cable.

 

Lexmark 40X2592 T640, T642, T644 110-127V Fuser (1 Each)

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