Question about HP Officejet Pro L7680 All-In-One Printer
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Posted on Jan 02, 2017
SOURCE: Cartridge problem
the problem is that even if you dont use the color supplies they do have a life cycle clock, you could try reseating the cartridge but i doubt that will work. what needs to happen is that the chips need to be reset or replaced on the color cartridges, its cyan now soon it will be yellow and then magenta. you can 1) replace the cartridges with new ones orr 2) have a cartridge refill place replace the chips on them. they dont need to be refilled unless the toner from age and humidity became soild. what most people dont understand is that if all you print is black then dont buy a color laser printer. toner over time can become a soild chunk and ruin your cartridge. most laser cartridges have a 2 year shelf life thats seald in a air and water tight bag in open air the toner starts pulling in the humid air and starts to become soild, this can take anywhere from a few weeks to a few years.
Posted on Sep 07, 2007
SOURCE: ink cartridges
Go through your standard print procedure. File>print then look for the properties button which is usually on the top right of the window. Press Properties and look for either Printing in B/W or grey scale. That should prevent your color cartridges from printing. After you check that box, you should be able to print black only.
Posted on Aug 19, 2008
I had this problem after I ran a print cartridge out of ink on my HP business inkjet 1200. The Print color light stayed on solid, and would not print. After much frustration and trying many other things, I purged the air from the print cartridge pump, and that cleared the problem. To get rid of the air (which I could see through the translucent wall of the pump) I inserted a syringe needle (without the syringe) into the nozzle of the cartridge, and expelled some ink with the air. This is messy, so I recommend gloves. I have been refilling my cartridges for years.
Posted on Mar 03, 2009
Missing or incorrect color
You have changed the color settings manually. Return the color setting to Automatic. • Windows: On the Color tab of the printer driver, click Automatic. • Mac OS: In the Print dialog box, select the HP ColorSmart or HP Color Quality pop-up menu and then select the Manual option.
Your print media does not meet the specifications for this printer. For example, you are using coated, glossy, or photo paper. Use a different paper, such as a high-quality paper designed for laser printers. See the user guide for information about print-media specifications.
You are operating the printer in excessively humid or dry conditions. Verify that the printer environment is within humidity specifications. A print cartridge might be low on toner. Check the printer control panel, print a Supplies Status page, or view the embedded Web server (HP color LaserJet 2500 series printers only) to see supplies status. (If you are using a non-HP cartridge, none of these sources will provide information about a low or empty print cartridge.) If a cartridge is low on toner, replace the print cartridge.
Clean the sensors and perform a calibration.
The HP Color LaserJet 1500 Series Toolbox is not supported for the Macintosh operating systems. 1 Make sure that the printer is turned on and in the Ready state. 2 Open the Toolbox. 3 On the Troubleshooting tab, click Cleaning Page and click Print. A page with a pattern prints from the printer. 4 At the printer, remove any media from tray 1 (multipurpose tray). 5 Remove the page that printed and load it face-down into tray 1 6 At the computer, click Clean.
Note For even better results, repeat this procedure several times.
The printer automatically performs a calibration when the imaging drum or a print cartridge is changed, and at set intervals that are determined by the total number of pages the printer has printed. For the HP Color LaserJet 2500 series printers, you can change the interval at which the printer performs automatic calibrations by using the embedded Web server.
To calibrate the printer manually Turn the printer off, wait one minute, and then turn the printer on again.
To calibrate the printer from the Toolbox The following procedure must be performed from the HP Color LaserJet 1500 Series Toolbox or the HP Color LaserJet 2500 Series Toolbox, which are only supported for Windows 98, NT 4.0 (HP Color LaserJet 2500 series printers with parallel connections only), Me, 2000, and XP.
Note The HP Color LaserJet 1500 Series Toolbox is not supported for the Macintosh operatingsystems. 1 Open the Toolbox in one of these ways: • On the desktop, double-click the HP Color LaserJet 1500 Series Toolbox or HP Color LaserJet 2500 Series Toolbox icon. • On the Start menu, point to Programs, point to HP Color LaserJet 1500 or HP Color LaserJet 2500, and select the HP Color LaserJet 1500 Series Toolbox or the HP Color LaserJet 2500 Series Toolbox. 2 On the Troubleshooting tab, click Diagnostic Tools (on the left side of the screen). 3 Click Calibrate Now.
Hope this helps!
Posted on Sep 01, 2009
Hello, this is Harry from www.BusinessSpread.co.uk.
We had the exact same problem when printing, we used 3 different 78 colour ink cartages and they all said 100% full but did not work. We then had a look at the dates on the box and they were all expired so when buying ink from anywhere even PC world or Curry’s always look at the expiry date.
Today I went to PC world and purchased a new 78 ink which said expires July 2011 and it works perfectly fine.
Posted on Jan 04, 2010
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