Couple days ago, I printed something, and when second page started to print, paper stops. I open back door, and remove paper, try to print again, but, agiain was the same. Then, after that, and so on, printer could not bean able to print at all. All time is red flashing and showing message "Paper jam", although tere is no stuc paper. When I turn him off, and them turn on, he try to pull in paper, two times trym,,and then give me a paper jam message.
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Re: Problem with HP 7450 and "Paper Jam"
There are 2 different types of flashing patterns with those two lights on the printer.
Resume light and power light BLINKING ALTERNATELY
Problem: Paper is jammed in the printer.
Resume blinking SIMULTANEOUSLY with power light
The print cartridge carriage is stuck.
1. Open the top of the printer.
2. Remove anything that is blocking the carriage path.
3. Turn the printer off.
4. Turn the printer on.
There is something wrong with the printer. (I didn't write it, I am
pulling this from actual HP tech documents, so don't blame me on this
Turn the printer off.
Turn the printer on.
If the printer will not turn off, unplug the power cable from the electrical outlet or wall outlet.
Unplug the power cord from the back of the printer.
Wait about 30 seconds.
Plug the power cord back into the wall outlet.
Plug the power cord to the back of the printer.
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I had the same problem and just talked with HP technician Neeta and she showed me how to fix it. It's a bit convoluted. In essence you have to clear the print spooler. Here is what she told me.
First you have to be clear that there really ISN'T a paper jam by printing a test message this back door way.
Neeta : The USB cable should be disconnected. Neeta: To print a self-test page, press and hold the Power button. Raise and lower the printer cover four times. Release the Power button, and the self-test page prints
If the sel-test page prints, this means you truly do not have a paper jam. Next, clear the print spooler
Neeta : The USB cable should be disconnected.Neeta : Now click on start->RUN.Neeta : Then type "services.msc".Neeta : Then it will open the services window.Neeta : Now please look for the option "print spooler. Neeta : Okay, now , please right click on the option "print spooler" and click on stop then click on start, 3 times.
This could be a mis-match of paper sizes. Example, computer could be sending an A4 page to the printer. The paper size in the could be set to Letter. Ensure the 4 paper sizes match, in the computer - the document and printer driver; in the printer (change in control panel) and paper tray (adjust the physical side and length).
. Switch off the
printer and disconnect the power supply. Allow any residual charge
inside the all-in-one printer to dissipate before putting your hands or
any metal tools inside the chassis.
2. Pin down the exact
location of the jam. The 3 hot spots for a jam are before a sheet
completely leaves the paper tray, anywhere between the feed tray and
print carriage or between the print carriage and output tray.
3. Take off the front
paper tray if the sheet jammed while still in the front area of the
printer. If here, you should be able to see most of the paper.
4. Pull the sheet with
both hands and steady pressure. Do not tug as you might rip the paper,
leaving a piece deeper inside the machine.
5. Open the back panel to reach paper jammed between the feed-tray area and print carriage. Carefully remove the jammed paper.
6. Use the carriage
access door to get at a jam further inside the printer. You may need to
remove the print carriage to get to the jam.
7. Replace all parts and
return any access panels to their closed and locked positions. Plug
your printer back in and flip the power switch.
Hi! I have the same issue. The only solution I still use: select print from document with no paper in the hp's feeder. Let the printer go on "paper out" message, now put the paper into the feeder and press the print button on the printer. Success!