Question about HP LaserJet 2840 Printer

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Half the page fades to white

Apparently my carousel central axel has twisted. What is the proceedure to repair this?

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  • Anonymous Mar 28, 2008

    exact same problem. seems to be common with this printer.

  • Maria Garcia Apr 09, 2008


  • jcar44 Apr 16, 2008

    same problem

  • Hortense Apr 26, 2008

    How do you do this (disassemble the printer remove and re-align the carousel)? Are there step by step instructions for a novice? Thanks!

  • nashjohnson Jun 05, 2008

    my printer only prints on the side of the pages



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The printer has to be almost completely disassembled, carousel removed and re-aligned. This solves about 90% of time.

Posted on Apr 11, 2008


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MY HP 2840 IS ONLY PRINTING ON THR RIGHT SIDE, What could be the problem?

this is a typical problem.. this printer uses a carasol meaning that the toners are riding on a carasol there are 2 white gears that drive the carasol 1 on the right and one on the left. Half page fade is almost always a misaligned carousel! A Tech is needed or a service manual here is a link for the manual
look at figure 5-78 Removing the print-cartridge carousel you will see the white gears im talking about

I’m happy to help further over the phone at

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The color is faded on the left side of the page printer, what is the possible cause or solution?

From the service manual:

If the light printing is on the left side of the page, the carousel might be dislocated.

Solution: Verify that the print-cartridge carousel drive teeth are aligned correctly. If the teeth are aligned correctly, replace the print-cartridge carousel.

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HP Laser Jet 2840

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Printer only prints partial page

hmmm...did you get new printer drivers when you re serviced machine..

sort of like changing the fluids after an engine job

check your computer warranty here 4 FREE

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