HP OfficeJet Pro 6970 Printer Failure | Missing Printhead

--- For the HP OfficeJet Pro 6970 Printer (if you observe a ‘‘MISSING or or ‘PRINTHEAD alert with an error code, this type of problem could be caused by a printer glitch or hang, severely clogged Printhead or the assembly that holds the ink cartridges is hindered by an obstruction. Perform the following steps to resolve: You should first check for in the carriage path, by clearing any obstructions from the carriage area inside the printer. With the printer on, disconnect the cord from the rear of the printer. Open the door to access the carriage inside of the printer. Look in the carriage path for debris such as crumpled paper or dislodged labels, and then remove any that you find. Next, you will want to perform a hard power on the With the printer turned ON, disconnect the power cord from the printer. Wait 60 seconds. Reconnect printer power and retest. If the issue still cannot be resolved then you will need to the printer. It is suggested to manually clean the underside of the carriage assembly to confirm ink residue is not causing the issue. Finally, the bottom of the PRINTHEAD could be with dried or built up ink (common problem!). It is suggested to open the printer and remove all 4 cartridges from the carriage assembly. Obtain several paper towels and fold 3 or 4 times, dampen with water. Place the damp towel into the lower tray area next to the carriage assembly; gently push the towel down to get it as flush with bottom as possible. Gently move the PRINTHEAD...