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You must be using HP21. Have you refill your cartridge at all? If you did, gentely wipe out the cartridge circuit part with Q-tip (with bit of alcohol). And wipe out the circuit part in the printer where cartridge goes in as well. And try back. Sometimes by having some dust or bit of ink make cartridge unreadable. If you used brand new, do same thing to cartridge circuit part. Otherwise, there got to be some circuit shot happen in printer. For your reference, HP f4180 is not a new model and has not cause major problem. Good practical and durability is good. If you would like to save money, try refill kit by "ROADINK". Not only they are easy, but also the printing quality is good. For your better understanding pls check out my youtube video. And will see how easy ink refill can be done.
Turn the printer off.
Disconnect the AC power.
Reconnect the AC power.
Turn the printer on.
Start the HP Support Tool software on your computer, and check the ink-levels on the printer -- no ink means no printing.
Do the lights blink in a specific, repeating, pattern?
Have you looked at http://support.hp.com and entered your model-number, and looked at the "common trouble-shooting" suggestions?
see the light blinking? which light, paper or ink indicator. if ink/cartridge indicator is blinking, you need to replace the cartridge. if no blinking lights it could the printer mainboard is out of order due to ink spilled
Sounds like your ink cartridges have defective electronics or the pins in your machine are dirty. You can clean the electrical contacts in your printer and on your cartridge first with isopropyl alcohol followed by water on q-tips to remove any alcohol residue. If that doesn't work then you need to replace the ink cartridges to fix the problem.
If you just replaced the ink cartridges, make sure you've removed the plastic tabs that cover where the ink shoots out. If they are old cartridges, make sure that the nozles haven't dried up. Remove the cartridges and dab a cloth (one you don't mind staining) where the ink shoots out, if all the colours show up, it's clear. If you notice very little colour, or none at all, try dampening the cloth and wiping down the cartridges to promote inkflow through the nozles. Hope this helps.