Question about Lexmark T640 Laser Printer

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917.00 srvice transfer roller

I have two t640 lexmarks that have this problem. when i shut off and clean the transfer roller they will work fine for 3 to 4 weeks and then it will happen again. any suggestions

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  • biapro-info Feb 04, 2009

    i did change the transfer roller still give's this error

  • harval Feb 10, 2009

    I have fitted the new Maintenance kit, reset the Maintenance count but the error still displays

  • Anonymous Mar 06, 2009

    917.00 service transfer roll

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  • 136 Answers

1) How many pages per month do you print?
2) How long have you owned the printers?
3) Possibly just need to order a maint. kit depending on answers.

Let me know!

Posted on Jul 24, 2008

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1 Answer

What is the service transfer roll? What does it look like? How do I replace it for the classroom printer?


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The service check tests for proper operation of the HVSP, system board, and sensors.

The most likely cause of your problem is the HVSP ( High Voltage Power Supply ).

Change the HVPS and you should be good to go!

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Lexmark T640 Error 917.00, I have changed the


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917.00 service trasfer roller


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1 Answer

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If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
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Place the T640 model number into the first search box. When the T640 block opens up do a search for "ENUS23982."

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Lexmark t644 error code 917.00


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1 Answer

Print quality on Lexmark T640


There are 2 likely possibilities:
1. Very dark print usually indicates your charge roller is not removing the charge from the drum.
The charge roller "erases" the charge laid down by the laser from the previous pass and prepares it for the next portion of the image. If not erased or has a latent charge it will pull toner onto the drum. Try changing the charge roller . 2. Your wiper blade in the cartridge may not be properly wiping excess toner. Swap the toner cartridge with another and see if the problem goes away.
There is a video here you can watch on changing the charge roller:
http://www.fastprinters.com/TechSupport_repair_parts.asp#T640VIDEO

Mar 24, 2009 | Lexmark T640 Laser Printer

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