Question about HP Color LaserJet 4730xs MFP Printer

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HP 4730 mfp won't print color first print in morning

First job in morning won't print color or color is faded , if they open & close front cover or resend job it works fine. cleaned hvps contacts updated firmware disabled sleep mode & still had problem. swapped transfer belts with good working 4730 & it worked fine for 4 months. problem has just come back. do you think this could be hvps , dc controller or formatter, I was leaning toward hvps.

Posted by roger_rhodes on


5 Related Answers


  • 3 Answers


Try this
Remove all EIO devices and memory Dimm's execpt the firmware dimm.
Start the printer. If the error is gone then place the dimm's / EIO devices one by one.
(Don't forget to switch off the printer.)
If the error is still there then you might have a faulty firmware dimm.

Posted on Dec 29, 2008


Andrew Perrong

  • 285 Answers

SOURCE: HP Color Laserjet: ghost images, both black and color print jobs

Did you try buying a new drum? You should if you have over 25,000 prints on it. You should also try replacing the toner. Please tell me if this helped. Thanks!

Posted on Jan 28, 2009



  • 7 Answers

SOURCE: Color toner is randomly deposited on the back of prints

Loose toner on the belt can be cleaned off with a clean dry rag, This can only be happening if the image is being put down and the paper isn't picking it up. I would look at the transfer belt as causing this, if the belt is not in suspect, the DC controller isn't appying the right bias to clean the belt and drums and would need to be replaced.

Posted on Mar 23, 2009


  • 3 Answers

SOURCE: HP Color Laserjet 2600n Color Alignment

I own a HP 2600n and I had the same problem the way I fixed it was hold both arrow buttons in the turned off the power for 10 seconds while holding the buttons in then turned it back on then released after 3seconds the reset my defaults this cured my problems

Posted on Nov 12, 2009

Walid M Sayed

  • 313 Answers

SOURCE: HP 4730 MFP prints all colors correctly except for

you have to make calibration

Posted on Mar 17, 2010

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I hope this helps.
If you would like to vote for the answer, this will help the others to see the similar problems solved and also will be a satisfaction factor for me to continue helping you.
All the best.

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