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Question about HP LaserJet 4730x All-In-One Printer

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Colour problems Thought that getting into the service menu would give me more options to repair the machine . But unfortunatley not ! having a reoccuring problem were all the colour units fade and almost no colour is printed but black remains unaffected , but problem seems to disappear after machine has calibrated itself genarally after restarting wich is time consuming !! wondered if anyone had any ideas as have tried replacing almost everything on the machine !! some one mentioned spring kits but this has resolved nothing !! any idea would be greatly appreciated many thanks

Posted by wesley haupt on


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West Zegarzewski

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  • 56 Answers

Does it make a funny sound? If so the rod the cartridges work from may have a slight warp in it.im sure exactly the machine im guessing a printer really i need more information to possibly be able to help you check parts make sure al are tightened where suppose to be thats all i can give you right now

Posted on Apr 26, 2017


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  • 3 Answers

SOURCE: Streaks / Bands of broken print area

No cleaning was successful, finally replaced the printhead and solved the problem.

Posted on Mar 06, 2008



  • 1 Answer

SOURCE: Print fading down right hand side

I was able to fix it by taking off the top of the printer. This involved taking off 4 screws on the top of the printer. I then had to disconnect the wires going to the control panel by unhooking them from the right side. I then located a thin rectangular box which I'm assuming houses the laser. I removed this with 4 more screws and turned it over. There was a little metal flap that I moved back and below was the mirror the lasers shoot on before going onto the toner.

In the same spot where I was having fading, I noticed a lot of toner on the mirror, so I cleaned it of, put it back together, and the fading was gone.

This was after I tried a new toner and maintenance kit.

Hope this helps

Posted on May 01, 2008

boopar khoo

  • 55 Answers

SOURCE: Black line along page in copy and scan modes,not in print mode

Your scanner lamp is dirty. Take apart the scanner glass and clean the lamp. (Look for contaminated spots on the scanner lamp).

Posted on May 23, 2008

mohideen bava

  • 199 Answers

SOURCE: Black and color misaligned

u can try secondary service menu options. press menu then press cancel & left arrow simultaniously.now u can get a 2ndary service menu.

Posted on Sep 25, 2009


  • 1 Answer

SOURCE: HP Photosmart 3110 All-in-one not printing black ink but colour

have you found a solution to your black ink problem??? I am experiencing exactly what you describe, no error messages, I have reset the printer, alinged, cleaned etc but still not a single drop of black ink but all the colours are working fine. if you know what was wrong please let me know.

Posted on Mar 05, 2010

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Take out all of the toner cartridges, give then a gentle shake from side to side, then put them back in. Shut the front cover and the printer ought to do a calibration cycle because you have replaced the toners. It does not know you have just taken them out and put them back in. All it detects is that there were none and now they are there, so does a calibtration.

Need to use the printer machine in black and white as missing yellow toner waiting for it but machine is blocked and need urgently to print docs. Pls help me

Unfortunatley most printers will not allow you to print if one of the colours are missing or empty.and so you will need the yellow toner to be replaced before you can print. there is a way that sometimes works and that is to remove the toner cartrige and give it a good shake this evenly distributes the toner inside and sometimes make the printer think it has enough toner and allows you to print. As I said this only works sometimes and is not a perfect solution

My lcd samsung sync master 720n horizantaliy one line on screen


Please try the following

1) Degauss the monitor - this can be done by using the menu system on the monitor scroll through the options and click/highlight the degauss option

2) Change the VGA lead going from the monitor to the PC

3) Ensure you have no unshielded mangnetic sources near by like speakers etc

If after trying the above the fault is still apparent then unfortunatley your monitor is at fault and will need to be repaired

If this has been useful please leave postive feedback/vote

My monitor #VA1912w series has a very "faded" color readout. This came on suddenly after re-starting the computer. I do not know what to do to correct this, nothing I try works. Please help. Thank you,...


Please try the following

1)test the monitor in another PC to ensure your VGA card is not at fault
2) Please try getting another vga cbale to rule out cable problems
3) Degauss the monitor from the menu options

If both fail above then unfortunatley you may have a hardware fault and will need to book the monitor in for repair/replacement

If this has been useful please leave positive feedback/vote

MX2700N printer keeps giving A4 paper error.

Go to system setting, under printer setting there's a menu to forced output print or A4/Letter changing, if you can not find it try the key operator program/ admin mode ( default password for admin is admin )

Convergence problem???

there is a way of lining the colours up in the service menu. to get into the service menu pres the "mute" button and then hold down the "mute" and "menu" button and the same time. this has to be done quickly. you then navigate to a screen which will have black square's on it. you will see the colurs that need to be lined up. it the colours wont line up. you will have to replace the convergience IC's. hope this helps you

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unfortunatley there is not a patch, sp2 for vista actually has alot of problems, including problems with drivers and software that has been not only messing with boot registry but dhll file and exe files. alot of programs as of right now arent compatible with windows vista. check the software t see if it is compatible.


It could not be the playstation that would cause the fault. The set was probably going to fail anyways.

A brown casted picture sounds like there is a loss of the blue colour drive in the set.

Some TV sets have colour temperature adjustments in the user menu. Check to see if your TV has that option, and that the colour temperature is properly set up. You can refer to the TV's instruction booklet for details.

A loss of blue drive can be from failed components in the video path, or in the bias circuits that control the CRT's cathold current.

It is also possible that the CRT is going defective, and is losing emission from the blue colour electron-gun.

You will have to bring the set to a service center that has an experienced TV tech who can make proper diagnostics, and give you an estimate for the cost of repair.

Jerry G.

Drop Down Menus

Click on Data (Top menu), Choose Filter from the drop down list, Choose Auto filter from the shown list. Now you get filter list on each column. Choose the filter condition on the column(s) you want and the data get filtered based on the condition you have given.

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