It prints ok and with new cartridges. but green start light on and black ink light flashing. why

Make sure that the printer is on. The power light should be on, but not flashing. Open the printer cover. Press the maintenance button. The print head moves to the black or color ink cartridge replacement position, the power light begins to flash, and the error light begins to flash or remains on. When both cartridges are out of ink, the print head moves to the black ink cartridge replacement position first. After replacing the black cartridge, press the maintenance button again to switch to the color cartridge replacement position. Lift up the ink cartridge clamp as far as it will go. The cartridge rises partly out of the cartridge holder. Lift the cartridge out of the printer and dispose of it properly. Do not take the used cartridge apart or try to refill it. Remove the new ink cartridge from its protective bag. Next, remove only the yellow tape seal from the cartridge. Do not touch the green IC chip on the side of the cartridge. Place the ink cartridge into the ink cartridge holder, and then close the ink cartridge clamps. Do not apply excessive force to the cartridge. Close the printer cover. Press the maintenance button. The printer moves the print head and begins charging the ink delivery system. This process takes about thirty seconds to complete. When the ink charging process is finished, the printer returns the print head to its home position, the power light stops flashing and remains on, and the error light goes out. If you feel that my answer helped you then please give a vote for my answer.

Black printer ink in HP Printer may fail to be recognized by the printer. Most times an error message will be sent indicating that something is wrong with the black print cartridge. Sometimes the printer may accept to print with the black ink, but the printouts may have horizontal lines and very illegible letters. In such a case a manual cleaning of the print head should be carried out. In doing the manual cleaning, one should spray Windex heavily on paper towel and wipe off the surface of the print head.

http://en.kioskea.net/forum/affich-40171-printer-not-printing-black

1. Lift the printer access door, then remove the ink cartridges from the printhead.
2. Verify that the label on the ink cartridges is intact, and that the cartridges are not damaged.
3. Verify that the KODAK Ink Cartridges have not been refilled.
4. Insert the ink cartridges into the printhead, then press down firmly until you hear them click into position.
5. Close the printer access door.
6. Check the printer status monitor on your computer (or the LCD screen on the printer) to determine if there is sufficient ink available for your print job.
NOTE: Once the "Black ink cartridge is low" or "Color ink cartridge is low" message is displayed, print quality can be affected.

7. Reprint the picture or document that had the quality problem

If still same quality then...

1. Load inkjet paper into the paper tray.
2. On the control panel, press Menu.
3. Select Calibrate Printer.
4. Select Print Calibration Page
5. Press Start.
6. When the print is complete, press Cancel to end the calibration process.
7. Check the six color bars on the printed calibration sheet.

Are the color bars completely filled with solid color?


If no then:

1. Press Menu.
2. Select Clean Printhead, then press OK.
3. Select Deep Clean, then press OK. The On/Off light flashes green during the cleaning procedure.
4. When the On/Off light glows steady, press OK.
5. Select Calibrate Printer.
6. Select Print Calibration Page
7. Press Start.
8. When the print is complete, press Cancel to end the calibration process.
9. When the print is complete, press Cancel to end the calibration process.
10. Check the six color bars on the printed calibration sheet.

Are the color bars completely filled with solid color?

If again No...

then printhead needs replacement... call Technical Support to get it replaced

..."Open the ink supply andgently move the ink cartridges to the left. Then reach in to the rightside and you'll find a small (1/2 x 1 inch) sponge. Push it down andoff/on the machine. try it now. or ...go to where I found out more than I should know about Canon's and where I got my quote...http://www.fixyourownprinter.com/forums/inkjet/39177 good luck.

Canon i250. Instructions on this website solved the problem of flashing green and orange lights, but now the black won't print. Changed ink cartridges, but still no print. Did a diagnostic nozzle check, and the black DID print. What do I do now?

If you need to replace an ink cartridge in your printer, please follow the instructions below:

To confirm which ink cartridge requires replacement, please use the printer's control panel (there is a black ink out indicator, as well as a color ink out indicator ), or the Status Monitor in your computer.

Red light flashing - Low ink
Red light solid - Out of ink

1. Open the printer cover and press the INK (Cleaning) button for 3 seconds. The print head moves to the center and the lights flash.
2. Lift up the ink cartridge clamp. The cartridge rises up from its holder.
3. Remove the cartridge and dispose of it carefully. If ink gets on your hands, wash them with soap and water. If ink gets in your eyes, flush them immediately with water.
4. Unpack the new ink cartridge and remove the yellow tape. You must remove the yellow tape from the top of the cartridge. Do not remove the clear seal underneath the cartridge. Do not touch the green circuit board on the back of the cartridge, or you may inhibit normal operation and printing.
5. Tilt the new cartridge toward you slightly as you insert it. Lower the cartridge so that the tabs rest on the hooks. Do not place the cartridge tabs under the hooks.
6. Press down firmly on the ink cartridge clamp until it snaps in place.
7. If you need to replace the other ink cartridge, repeat steps 2 through 6 before continuing with step 8 (to move printhead over to color (if black was replaced first) press the cleaning button once).
8. Press the INK (Cleaning) button once, and close the printer cover. The printer begins charging the ink delivery system.
9. Wait until ink charging is finished (the power light stops flashing and the red error light goes out).

Hi,
yes you can inject the cartridges.

http://www.google.co.uk/products?sourceid=navclient&hl=en-GB&rlz=1T4ADBF_en-GBGB321GB321&q=ink+refill+kits&um=1&ie=UTF-8&ei=PUHtSbH6BdqRjAfHzLwO&sa=X&oi=product_result_group&resnum=1&ct=title

Hope this helps
Regards
Richard.

any chance it has dried out? run the test / head cleaning / did you reset the cartridge when you replaced it? generally if one or two colors work - the problem is the ink cartridge or the head for the colors not working. Did you remove the "tape" on the new cartridge?

try to go into the software for the printer and find a rest ink cartridge button. This will make it think it has a new one which wil let you print in black by selecting black print only

My HP Deskjet 6940 is not printing. The color (left) low ink light is dark and the black (right) low ink light is flashing. I replaced the black ink cartridge with a new one but the low ink light continues to flash. No tears/rips in the circuit strip and all the copper leads appear to be connected