Carriage jam - HP Photosmart C7280 Printer

Question edited for clarity, full 'make model (what it is)'.
Question moved to model category.

It is a known issue on that model.

Solved: clear carriage jam on my HP Photosmart C5280

HP Support Community https://h30434.www3.hp.com > td-p
Jul 14, 2017 - I have the same issue. Almost new machine. Screen says "clear carriage jam", but there's no paper jammed in there. Can't do anything with the printer, since ...

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More results from h30434.www3.hp.com

A 'Carriage Jam' or 'Carriage Blocked' Message Displays ...

Hewlett-Packard https://support.hp.com > us-en > document
Solution · Make sure the printer is turned on. · Open the print cartridge access door, and then wait until the print carriage is idle and silent. · Press down ...

Fix Carriage Jam Issues

Hewlett-Packard https://support.hp.com > Support home > Printer issues
These jams occur when the carriage holding the ink cartridges stalls in the printer. Carriage jams sometimes occur after a paper jam. Our automated Virtual ... ..

Impossible to answer without 'make model (what is is)' which should be written as the first three words! Fixya scripts should offer the correct category.

You can Edit that in and the question will be put back to the top of the list.

Or you can just Google

make model carriage jam message

https://www.google.com/search?q=Continual+carriage+jam+message+Paper+feeds+half+sheet+then+carriage+jam+message+appears+and+printer+stops


..

Check the side sensor board or the head sensor

If there isn't a cartridge jam then it's probably a carriage jam:
However, I'm not too familiar with clearing a carriage jam. I just know that if your cartridges are not blocked then the carriage is likely at fault. You will need to Google this on how to fix a carriage jam.

Have you tried moving the carriage to see if it really is jammed? Maybe you haven't put the levers down properly on your new cartridges....remove them, see if the carriage slides, then refit them and check the carriage again. You wont visually 'see' a carriage jam,; you have to try moving it. By the way, if it doesn't move, DONT force it to try and overcome the jam try and reason out why it doesn't move.
Hope this helps!
nicam49

Sorry about the B.S., you can move the carriage by hand, and all you need is to clean the encoder strip that runs across behind the carriage assembly. You can wipe the strip gently with an alcohol swab or a Q-tip moist with alcohol. The bars on that strip tell the carriage where it is and grease or ink on it will give the carriage jam error. No calibration necessary after moving the head or cleaning the strip.

HP support has extensive documentation for both paper and carriage jams for your model:

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00304007&lc=en&dlc=en&cc=us&lang=en&product=391182

I hope this helps!

Here is the actual solution from the HP website for a carriage jam...click on the link:

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00786043&tmp_track_link=ot_faqs/top_issues/en_us/c00786043/loc:12&lc=en&dlc=en&cc=us&product=439491

Usually when the printer displays a carriage jam error the carriage assembly is jamming along the carrige path.
There may be something in the carriage path or the carriage shaft may need lubricating.
Check the area where the carriage is has stoped. There might be an obstruction visible.

I have an Hp Officejet 5110. I have an error message saying "Open door,clear carriage jam, then press enter". But where is its door? How can I clear the carriage jam?

I tried pressing the # & 6 at the same time, but the error message still there.