Question about Samsung ML 1750 Laser Printer

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Both lights flashing

Samsung says take it to the repair shop is it possible to fix myself tried new cartridge

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Re: both lights flashing

No it is not. Both lights point to a bad fuser unit, a part not replaceable by end users.

Posted on Sep 22, 2007

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New ink cartridge shows as empty

have youtried to clean the cartridge contacts of the printer?

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I have an HP Photosmart 7260 printer that my cousin gave to me used so I have no manual. I've replaced both ink cartridges and am trying to print. When I send the print job, a red light begins to flash...

Can you see any symbol when the red light flashes? or any message pops up on your computer? Since your problem's description isn't very specific, I am unable to assume myself. If cartridges are replaced with new ones and the problem persists, it's possible that there's paper jam or carriage jam or contacts on the printer is bad/dirty. While the machine is On, lift up the front access door and try moving the carriage manually. Please follow this LINK to clean the contacts.
Please post back with more specific details so that I can help you better. Good Luck.

Feb 18, 2011 | HP PhotoSmart 7260 InkJet Printer

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When should I replace the toner cartridge? I found that red light is flashing( the lower light, totally there are 2 lights: upper one is green now). I don't understand what does it mean.

It mean when your toner is near empty,then red light flashing.tow light is fixed or red mean toner cartridge is empty.must be replace toner cartridge.You buy a new cartridge and put in your printer then printer is OK.
you can also get better idea please read printer user guide.

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1 Answer

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It sounds like the repair shop did not repair the cartridge holder properly, or they did not align it properly. If you can it would be best to take it back to the repair center and have them fix it correctly.

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try to install the cartridge again and see if it can print.or u can reinstall the printer drivers. if the problem still persists then visit below mentioned link for a free diagnosis.

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All panel lights flashing. Printer seems to initialize, then reverts to all lights flashing.

hi....take it to a tech to check about the system control chip... the control chip would have gone bad... and they will replace u with a new chip..or else Try manually moving the head carriage back and forth a few times!
Also check, if there isn't some piece of paper lodged inside, if yes try to remove it carefully!..

these are the possible solutions u can try out...
thank u
rate me

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I have a samsung ml 2851 nd that won't print, and says the toner cartridge is low - I replaced with cartridge 209 (which office max said would work) and it still flashes the red light and says there is...

The counter needs to be reset most likely. I can\t locate a reset code & steps for you. Try calling samsung and ask about the toner reset you replaced the cartridge and its still showing the count from the old cartridge.

Apr 23, 2009 | Samsung ML-2851ND Laser Printer

1 Answer

"Invalid Imaging Unit" after replacing toner cartridge

After 2 years ,surly it need to change some part because of life time of some part that is very tired ,try to show it or take it to samsung service center in your country ,...

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