Question about Lexmark T640 Laser Printer
I've been fixing Lexmark T640's for a week now and Print Heads are easy!!! Don't let someone scare you into thinking you can't do it yourself just so they get more business and can over charge you to repair something!
1. Remove side and top covers
2. Remove cover for System Board
3. Unplug 7-pin connector from System Board. It's 6-white 1-black wires.
4. Remove connectors from Print Head, should be 2. 1 in front, 1 in rear.
5. Remove the 4 screws holding down the Print Head
6. Take out print head and insert new one.
7. Install by following directions in reverse! :-)
Posted on May 07, 2010
For this particular concern, there are complicated and sensitive parts involved. I suggest you contact the Authorized Service Provider or contact Lexmark Technical Support for assistance.
Posted on May 04, 2010
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Posted on Jan 02, 2017
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