HP DeskJet 722C

Experienced technical support provide their insights in answering this question :
Detach the force string from the holding nothing back one and expel all paper from it.

How to Identify and Fix Common Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced technical support :

If roll paper does not feed, cut the end straight across and uncurl it by rolling it backward, if necessary. Then reload the paper. If thick media does not feed, make sure you are loading it straight into the product, not at an angle. If paper jams when you print on both sides of the paper, try loading fewer sheets.
Remove the stack of paper from the tray. Check for obstructions inside the tray. Use a flashlight to view the mechanism inside the tray to make sure that nothing blocks the paper from engaging with the rollers. Even small pieces of paper can cause paper feed issues.
Select > Paper Setting > paper source > Print Adjustments > Paper Feed Adjust.
Dust, paper fiber, and other debris might accumulate on the pick rollers and cause paper feed issues. To help prevent paper feed issues, clean the rollers inside the printer and in the duplexer (if equipped). If the other steps in this document fail to resolve the issue, then reset the printer.
Adjust the paper guides in the tray to match the size of the paper. Remove the paper, smooth it out, then reload it. If the paper misfeeds, do not use that paper. Remove the moist paper, then replace it with new, dry paper.
If the paper feed rollers are dirty or paper powder is attached to it, paper may not be fed properly. In this case, clean the paper feed rollers. Cleaning will wear out the paper feed rollers, so perform this only when necessary. Make sure that the power is turned on and remove any paper from the rear tray.
Sheet feeder: Holds the blank paper and automatically feeds the paper during printing.
Continuous form feed and friction feed are the two types of paper feeder mechanisms. Dot matrix printers use continuous form feed, and laser printers use friction feed.
Misfeeds occur frequently. The number of sheets loaded exceeds the capacity of the printer. Load paper only as high as the upper limit markings on the side fences of the paper tray, or the markings on the paper guides of the bypass tray. Misfeeds occur frequently.
This is often caused by the fact the pick-up roller is worn out. The layer of rubber around this plastic part overtime gets too smooth, preventing paper from feeding properly into the printer. This fix is not really hard, will take no more than half an hour and costs around 10,- (Euro or Dollar).

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

HP DeskJet 722C Paper Feed Problem
ANSWER : Detach the force string from the holding nothing back one and expel all paper from it.

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HP DeskJet 722C

My printer feeds through one piece of paper all the way and then a half piece of paper and stops. I pull out the paper to stop the paper jam and then it prints but sounds rough. After printing, it doesn't feed the paper all the way through.
ANSWER : And the first 2 sheets, the full and half sheet that go through first, are blank.

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HP DeskJet 722C