Question about HP DeskJet 940c InkJet Printer
Follow this simple instructions:
Remove all the cartridges, clean the contact points on the cartridges and on the printer using soft brush/cotton dipped in alcohol/acetone /spirit.
While they are drying, reset your printer; Turn it off > Disconnect usb cable, power cord, inthernet cable; >remove the papers from the tray >open the back panel door (the rear door where you clear paper jam). Also turn of the main switch which the dc adapter plugged in. After keeping it Off for about 5 minutes, turn on again using only the power cord, and again leave it on for few minutes > turn it off > connect all the cables > again turn it On and keep pressing the power button while it boots up. Now you can install the cartridges.
If there's not internal problem or wrong cartridges number, then your problem will be definitely fixed.
Thanks for using FixYa.
Posted on Aug 07, 2010
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Posted on Jan 02, 2017
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