Laserjet 2600n not printing black on one side of page. already cleaned the laser/scanner assembly.

laserjet 2600n not printing black on one side of page. already cleaned the laser/scanner assembly. i've cleaned the assembly a few times beofre to restor the colors as the printer is in a semi-dusti environment. after cleaning the printer was fine, then about a week later, the black - and only the black - stopped printing on the right side of the page. the text is straight across left to right then starts to waver and then then stops altogether. i tried a different black toner cartidge and the problem remains.

> so this is strictly a hardware issue as no drivers are involved. Yup. > Still prints all black. Ok its not the controller. > Still prints all black. Ok its not the fuser. > its still prints all black. OK its not the laser itself > it still prints all black. Not that part either. > What else left is there? Formatter board hasnt been mentioned. Something is sending a command to the printer that is telling it to open up the doors and charge the entire page. Normally the laser is responsible for charging the media. As the media passes over the toner doors it atracts toner particles. Then as the paper continues it rolls past the fuser where heat melts the particles into permanent place. > The power supply board maybe? Perhaps but not likely. If you have a spare you could try it but power supply problems usually result with the machine unable to boot or print correctly, not printing too much as you have described here. > Is there another part you would reccomend I look at?
You could try the old Halfway test just to verify that the problem is coming from teh laser/toner part of the printer. http://www.printertechs.com/printer-troubleshooting/halfway-test Your paper may have somehow gotten a staic charge that opposes the charge of the toner, thus auto attracting all particles in range as it passes over the toner doors. Might want to grab a fresh ream of paper to test and rule somethign crazy like that out. Not very many options left after that.

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HP4620 will not print black BUT i can scan a copy to the printer and then print out black

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Hi,
I am currently replying to this as it shows in the iChat Community.
I have asked the Hosts to move it to Snow Leopard (you should not lose contact with it through any email links you get)
I also don't do Wirelss printing so I can't actaully help either.
10:01 PM Friday; July 29, 2011
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I have an old laserjet 3600 that I use for printing magazine pdfs, but it has developed a bit of a problem recently.
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Hello,
I have a HP Color Laserjet 4600 in a hundred pieces. I'm experiencing the 51.2 error, specifically with the Magenta Laser/Scanner Assembly. I have diagnosed a few simple fixes found in these forums as well as others to try to find out what my problem is. I would really like to get the Magenta Laser/Scanner Assembly out of the printer and do the troubleshooting of it with the motor-as some have mentioned-or replacing it complete. The problem is I'm so close but I'm not sure how to get the Laser/Scanner Assembly out.
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Thanks!

Nevermind!
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HP Photosmart 6510 e-All-in-One Printer Does Not Print Black Ink

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Hi @crfldf
Have you completed all of the steps in the following document; Printer Does Not Print Black Ink or Color Ink, or Prints Blank Pages.
Although I hope this resolves the issue, it might not. If the issue persists, please post back with your warranty status. Use the following link to check your warranty.
If your printer is still in warranty, please call HP and explain the issue you are experiencing. The number to call HP is 1-800-474-6836 for Canada and US, or you can Contact HP Worldwide.
If your printer is out of warranty, let me know and I will do my best to help. Thanks. I look forward to hearing from you.
If I hear back from you and you require further assistance, I will send you a private message to gather some information. If I send you a message, you can click the little envelope on the top right hand corner of the forums page to check the message;
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Please click the Thumbs up icon below to thank me for responding.
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Sunshyn2005 - I work on behalf of HP

HP Deskjet All in ONe L7650 will not print black only --

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Good day,
To get your issue more exposure, I would suggest posting it in the commercial forums since your product is a commercial product. You can do this at Commercial Forums.
Enjoy your day!
R a i n b o w 7000I work on behalf of HP
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“Thanks” for helping!
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HP 6510 All in One will NOT print Black ink

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Hi Tam1711,
I have brought your issue to the attention of an appropriate team within HP. They will likely request information from you in order to look up your case details or product serial number. Please look for a private message after the weekend from an identified HP contact. Additionally, keep in mind not to publicly post ( serial numbers and case details)
If you are unfamiliar with how the Forum's private message capability works, you can learn about that here.
I work for HP

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Hi @CassieP
I see you are unable to print black from your Photosmart 5512, I'd like to help. Please complete all of the steps in the following document; Printer Does Not Print Black Ink or Color Ink, or Prints Blank Pages.
Although I hope this resolves the issue, it might not. If the issue persists, please post back with your warranty status. Use the following link to check your warranty.
If your printer is still in warranty, please call HP and explain the issue you are experiencing. The number to call HP is 1-800-474-6836 for Canada and US, or you can Contact HP Worldwide.
If your printer is out of warranty, let me know and I will do my best to help. Thanks. I look forward to hearing from you.
IMPORTANT: Please include your country/region in your next post. Thanks.
Please click the Thumbs up icon below to thank me for responding.
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Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
Sunshyn2005 - I work on behalf of HP

[HP Color LaserJet CP1518ni] Stopped printing black ink documents when Magenta toner finished

Hi there,
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Hi TisKate, sorry to hear that you are having printing issues when it comes to printing in Black. I am also sorry to hear that you are breaking up with HP. I would like to offer a couple more troubleshooting steps before we say our fond farewells. Now this might sound silly but really it isn't. If you have the power cable connected to a Power bar/strip, please remove it and connect the power cable directly to a wall outlet. HP printers already have a built in surge protector and if you have it in a strip/bar, the printer will not get all the power needed to function properly. This can cause printing issues or false error messages on the printer display screen. Here is a document that explains the Issues when Connected to an Uninterruptible Power Supply/Power Strip/Surge Protector.
The other step I would like to take is on the printers display touch screen. Please use the right arrow key and go to the Wrench icon. Press the wrench and go to the Tools menu. Once in the Tools menu, please select Clean Printhead. Use the cleaning utility 2-3 times or until you see a change in the print status reports. It might take a few cycles but I am confident that it will make a difference.
I hope you and HP can still be friends( friendly humor).
Thanks for your time.
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Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
W a t e r b o y 71
I work on behalf of HP

Not printing black ink

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Hi @lau367,
Welcome to the HP Forums!
I have brought your issue to the attention of an appropriate team within HP. They will likely request information from you in order to look up your case details or product serial number. Please look for a private message from an identified HP contact. Additionally, keep in mind not to publicly post serial numbers and case details.
If you are not sure how to check your forum messages this post, has instructions.
Please click “Accept as Solution ” if you feel my post resolved your issue, as it will help others find the solution faster
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
**MissTeriLynn**
I work on behalf of HP

K5400 will not print more than one page at a time.

The K5400 Office Jet Pro will not print more than one at a time when I change the number of pages to print in Printing Preferences. I have downloaded all the updates available and have tried many times.
Using a Windows XP SP3 computer.
Thank you, Marion

Hi,
The HP Deskjet 1050 All In One can perform multiple copies at a time. To perform a multiple copy, press the Copy Black or Copy Color button as many times as the copy is required. A maximum of 10 copies can be performed at a time.
Please open the link below which illustrates the same.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02459739&tmp_task=prodinfoCategory&lc=en&dlc=en...
If the issue persists then, please perform the steps as shown below and check the copying function again.
Steps to perform a reset.
Press the Power button ( ) to turn off the product.
NOTE: The product might not turn off after pressing the Power button. Continue to the next step regardless.
Disconnect the power cord from the rear of the product.
Disconnect the power cord from the electrical outlet.
Wait 30 seconds.
Reconnect the power cord to the electrical outlet.
Reconnect the power cord to the rear of the product.
Press the Power button ( ) to turn on the product.
Connect the unit directly to a wall outlet.
Check the copying function now.
I hope this resolves the issue, if the error persists then please get back to us.

Hp 1050 will not print more than one copy at a time

hp 1050 will not print more than one copy at a time

Hi,
The HP Deskjet 1050 All In One can perform multiple copies at a time. To perform a multiple copy, press the Copy Black or Copy Color button as many times as the copy is required. A maximum of 10 copies can be performed at a time.
Please open the link below which illustrates the same.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02459739&tmp_task=prodinfoCategory&lc=en&dlc=en...
If the issue persists then, please perform the steps as shown below and check the copying function again.
Steps to perform a reset.
Press the Power button ( ) to turn off the product.
NOTE: The product might not turn off after pressing the Power button. Continue to the next step regardless.
Disconnect the power cord from the rear of the product.
Disconnect the power cord from the electrical outlet.
Wait 30 seconds.
Reconnect the power cord to the electrical outlet.
Reconnect the power cord to the rear of the product.
Press the Power button ( ) to turn on the product.
Connect the unit directly to a wall outlet.
Check the copying function now.
I hope this resolves the issue, if the error persists then please get back to us.

Laserjet 2600n not printing black on one side of page. already cleaned the laser/scanner assembly.

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