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hp printer840c

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3 replies

by yiotie

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Hi
I changed the black ink of my printer for the first time(hp840c No15), and after that one of the lights on the printer keeps going on/off all the time and it will not print. i use win95.
Any ideas/suggestions please?
Thanks
Yiotie

3 replies

by ann777

Check and make sure that you have removed all paper/plastic leak guards that come on the ink cartridge. HPs usually have one pieco of paper on the bottom of the cartridge and they may have a second along the back side of the cartridge (where it gets placed inside the cartridge holder).

Make sure that the door/lid are properly sealed and that the cartridge is properly aligned in the holder.

Power off the printer and power it back on and calibrate your printer after inserting the cartridge.

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