HP C4180 says carriage jam but no jam and tried everything
I am getting a carriage jam error on a HP C4180 but no jam exists. I have tried things such as powering off and on the unit, looking for pyhsical jams, passing the carriage back and forth to see if passes OK without blockage, resetting the cartriages, checking the back and front panels to see for debris blockage, etc. Any clue?
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If you are getting a 'carriage jam' error as soon as you turn on your printer with no tasks in progress, then check for any piece of paper stuck in the carriage. Remove the paper carefully. If the paper tears, part of it might remain inside the paper path and damage the product.
Without any paper in the machine I would try powering off and powering on. Lifting the scanner lid will clear so the carrige goes back to the correct side of the printer. Even rebooting the printer and loading the software will sometimes cause the carriage to go back to where it was supposed to be.
Carriage jam usually comes from ink on the clear encoder strip that runs across behind the carriage. You need a damp Q-tip to clean from one end to the other, The other thing, on the HP is the cleaning station on the right gets gummed up with old ink and won't go toward the back fully, stopping the carriage.
I had this same problem and spend hours working on it. Took the side panels apart to get a better look. Nothing anyone said fixed the issue. Not even the link everyone keeps posting to HP's carriage jam fix. Was out of solutions and about to give up and order a new printer. There was one last thing I had to try that I didn't think was going to work, but I had a theory. Right after I tested this solution it started working again. This worked for me, but anyone who has tried every and have not got their printer to work can try it.
My Solution: Open the front covers and look inside. Just above the metal rail that the carriage travels on there is a thin plastic strip about 1/4 in. width and should have a glossy shine to it. I believe this is some kind of positioner. It runs through the carriage and gives it some kind of position. After years of use, it'll become dirty with ink. I used some tissue and alcohol and wiped the strip clean. It worked perfectly fine right after. Below is a picture of the strip I underlined with a yellow line.
Try the steps mentioned in the link Bellow:
Also make sure you should Unplug the power cord when there is
still power in the unit, take out both the ink cartridges and apply little more pressure and move the carriage too and fro untill you feel it is moving freely (Dont worry it wil not break)