Paper jams at the same spot, prints half of the document clearly then jams. When I open the back door & shuts it, it continues to print the remainder with poor quality.

Every time there is paper jam, the printer knows the job is not completed and hence tries to re-print after the paper is removed and cover is shut.

Clear the print job from computer.
Power off the printer and Clear the paper jam (if any)
I would try to use different tray. The paper pickup roller in one path may be worn out.
eg Sheet feeder or multipurpose tray.
Load paper in new tray
Set the application to use new tray

Ensure you sue the right thickness (gsm) of the paper. Quality of paper is crucial. Too thin; too thick can affect functioning.

Clear the jam from the back of the All-in-One Follow these steps to clear the jam from the back of the product

1. While the product is still on, disconnect the power cord from the back of the product.
2. Press in the tab on the left side of the rear door to release the door. Pull the door away from the product to remove it. Figure 1: Remove the rear door
3. Gently pull the paper out of the rollers.
   CAUTION: If the paper tears, check the rollers and wheels for torn pieces of paper that might remain inside the product. Remove all the pieces of paper from the product to prevent more paper jams.
4. Replace the rear door. Gently push the door forward until it snaps into place.
5. Connect the power cord to the back of the product.
6. Press the OK button to continue the current print job.
   NOTE: The print job might cancel instead of print. If this happens, reprint the document.

• If the issue is resolved , you do not need to continue troubleshooting.
• If the issue is not resolved , continue with the steps in this procedure.

Clear the jam from the front of the All-in-One If you cannot remove the paper jam from the back of the product, follow these steps to remove the paper jam from the front.
CAUTION: Remove the paper jam carefully because it is possible to damage the product when removing paper from the front.

1. While the product is still on, disconnect the power cord from the back of the product.
2. If necessary, pull the input tray down to open it, and then lower the print cartridge door. Figure 2: Print cartridge door
3. Gently pull the paper out of the rollers.
   CAUTION: If the paper tears when you are removing it from the rollers, check the rollers and wheels for torn pieces of paper that might remain inside the product. If you do not remove all the pieces of paper from the product, more paper jams might occur.
4. Close the print cartridge door.
5. Connect the power cord to the back of the product.
6. On the control panel, press the Start Copy Black button ( ) to continue the current print job.
   NOTE: The print job might cancel instead of print. If this happens, reprint the document.

• If these steps resolved the issue , there is no need to continue troubleshooting.
• If the issue persists , see the next step.

For more info, you can click the link below:

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00651302&tmp_task=solveCategory&lc=en&dlc=en&cc=us&site=null&lang=en&key=null&product=1141647

Solution one: Turn the All-in-One off and on again Follow these steps to turn the product on, and then off again, to reset the print mechanism.

1. Press the Power button ( ) to turn off the product.
2. Wait 15 seconds.
3. Press the Power button ( ) to turn the product on again.
   NOTE: The product might go through a warm-up period of up to two minutes. The product lights might flash and the carriage might move. Wait until the warm-up period is complete before proceeding.
4. Try to print a self-test report. See the steps on how to print a self-test report at the top of this document.

• If these steps resolved the issue , and the self-test report prints , there is no need to continue troubleshooting. Reconnect the USB cable, and then try to print again.
• If the issue persists , continue with the next solution.
• If the self-test report does not print , continue with the next solution.

Solution two: Clear any paper jam Jammed paper can cause the carriage to stall. Follow these steps to clear any jammed paper. Step one: Remove any loose paper Remove any loose paper from the input tray and output tray. CAUTION: Do not remove jammed paper at this stage. Trying to clear a paper jam from the front of the product can damage the print mechanism. Step two: Clear the paper jam from the back of the All-in-One Use the following steps to check for and remove jammed paper from the back of the product.

1. Press the Power button ( ) to turn off the product.
2. Disconnect the USB or Ethernet cable from the back of the product.
3. Disconnect the power cord from the back of the product.
4. Remove the rear door. Push the door latches toward each other, and then pull the door away from the product. Figure 1: Remove the rear door Illustration of removing the rear door
5. Gently pull the paper out of the rollers. CAUTION: If the paper tears when removing it from the rollers, check the rollers for torn pieces of paper that might remain inside the product. If any torn pieces of paper remain inside the product, more paper jams are likely to occur.
6. If you are printing labels, see if any are missing from the label sheet. If any labels are missing, find them inside the product, and then remove them carefully.
7. Reattach the rear door. Gently push the door forward until it snaps into place.

Step three: Clear the paper jam from the front of the product Follow these steps to remove the paper jam from the front of the product.

1. Open the cartridge access door. Figure 2: Open the cartridge access door Illustration of opening the cartridge access door
2. If you find paper jammed in the product that cannot be removed through the rear door, gently remove the paper through the front of the product.
   NOTE: Remove paper from the front of the product as carefully as possible. If any torn pieces of paper remain inside the product, more paper jams are likely to occur, and this could damage the print mechanism.
3. Close the cartridge access door. Figure 3: Close the cartridge access door Illustration of closing the cartridge access door
4. Reconnect the power cord to the back of the product.
5. Press the Power button ( ) to turn on the product.
6. Try to print a self-test report. See the steps on how to print a self-test report at the top of this document.

• If these steps resolved the issue , and the self-test report prints , there is no need to continue troubleshooting. Reconnect the USB cable, and then try to print again.
• If the issue persists , continue with the next solution.
• If the self-test report does not print , continue with the next solution.

Keep in this LINK.

Hi,

most likly hood is your exit sensor is faulty. The printer work in this way. if it does not print out all the document. it will print again. that is why you kept getting this same issue after a jam open and close door it will print again.

replace the exit sensor it will help.

Remove any loose paper
Clear the jam from the All-in-One

1. While the product is still on, disconnect the power cord from the back of the product.
2. Press in the tab on the left side of the rear door to release the door. Pull the door away from the product to remove it
3. Gently pull the paper out of the rollers.
5. Replace the rear door. Gently push the door forward until it snaps into place.
6. Connect the power cord to the back of the product.
7. Press the OK button ( ) to continue the current print job.

Clear the jam from the front of the All-in-One

1. While the product is still on, disconnect the power cord from the back of the product.
2. If necessary, pull the input tray down to open it, and then lower the print cartridge door.
3. Gently pull the paper out of the rollers.
5. Close the print cartridge door.
6. Connect the power cord to the back of the product.
7. On the control panel, press the Start Copy Black button ( ) to continue the current print job. NOTE: The print job might cancel instead of print. If this happens, reprint the document.
8. • If these steps resolved the issue , there is no need to continue troubleshooting.
   • If the issue persists , see the next step.
   Reset the All-in-One
   

1. Make sure that the product is on, and then disconnect the power cord from the back of the product.
2. Unplug the power cord from the wall outlet, wait 30 seconds, and then plug the power cord back into the wall outlet.
3. On the control panel, press and hold both the OK ( ) button and the Help ( ) button while you reconnect the power cord to the back of the product. The message, 'Semi-full Reset' , displays on the control panel display.
4. Wait until the product initialization process completes so that the product can recover its original settings.

Reload paper and test the All-in-One
Fan the paper to make sure the pages are all the same size and not stuck together, and then reload the paper in the input tray.

1. Press the On button ( ) to turn on the product, if it is not already on.
2. In the software program from which you are printing, click File , and then click Print . The Print dialog box opens.
3. Select the product from the drop-down list, and then click Properties . The Properties dialog box opens.
4. Click the Paper/Quality tab.
5. Make sure the paper specified in the Type box matches the paper in the product. NOTE: The paper might jam if photo paper is specified in the Properties dialog box when there is plain paper in the tray.
6. Print the document again.
• If these steps resolved the issue , there is no need to continue troubleshooting.
• If the issue persists , see the next step.
If you have completed all of the steps listed above and are still experiencing a problem, service your product.

HP Officejet 7200, 7300, and 7400 Series - 'Paper Jam: Clear jam, and then press Enter' Message Displays on the Control Panel Display
Issue
During printing, the paper becomes stuck in the all-in-one and the error message 'Paper Jam: Clear jam, and then press Enter' displays on the control panel display.
Solution
Use the following instructions to clear a paper jam from the product:
Step one: Check for and remove any loose paper from the In tray
Do not try to remove jammed paper from the In tray. First remove any loose paper from the In tray to avoid worsening the jam.
CAUTION: Always try to remove jammed paper from the back of the printer first to avoid mechanical damage.
Step two: Clear the jam from the back of the printer
Follow these instructions to clear jammed paper from the back of the product. If the product is equipped with a two-sided printing accessory, skip to that section.
Remove the rear access door to clear the paper jam

1. Remove the rear access door by pressing the buttons on the side of the door and pulling it toward you.
Figure 1: Removing the rear access door
Rear access door
2. Gently pull the jammed paper out of the rollers.
WARNING: If the paper tears while removing it from the rollers, check the rollers and wheels for torn pieces of paper that might remain inside the product. If all the pieces of paper are not removed from the product, more paper jams might occur.
3. Replace the rear access door. Gently push the door into the all-in-one until it snaps firmly into place.

Remove the two-sided printing accessory to clear the paper jam

1. Remove the two-sided printing accessory by pressing in the buttons on the sides and then pulling the accessory toward you.
Figure 2: Removing the two-sided printing accessory
2. Gently remove any jammed paper.
WARNING: If the paper tears while removing it from the rollers, check the rollers and wheels for torn pieces of paper that might remain inside the accessory. If all the pieces of paper are not removed from the accessory, more paper jams might occur.
3. Press the button on top of the two-sided printing accessory to open the door.
Figure 3: Opening the two-sided printing accessory door
4. Gently pull the jammed paper out of the rollers.
5. Close the accessory door.
6. Reinstall the two-sided printing accessory.

Step three: Clear the jam from the automatic document feeder (ADF)

1. Remove the document feeder tray from the product by gently pulling it.
2. Lift the cover of the automatic document feeder by pulling it outward.
Figure 4: Lifting the cover of the automatic document feeder
Automatic document feeder (ADF) door
3. Gently pull the jammed paper out of the rollers.
WARNING: In the rare occurrence of a severe paper jam, you might need to remove the face plate from the front of the automatic document feeder and lift the pick assembly to remove torn pieces of paper from deep inside the automatic document feeder.
4. Close the cover of the automatic document feeder, and then reattach the document feeder tray.

Step four: Verify that the print carriage can move freely
Follow these steps to try to move the print carriage.
CAUTION: Do not force the print carriage to move if it is out of plain view or feels stuck. Forcing it may damage the printer.

1. With the product turned on, open the print cartridge access door. The print carriage might try to move into the access area. If so, allow it to move to that position.
2. Without turning off the product, unplug the power cord from the back of the product. Unplug the power cord from the power source. The power cord must be unplugged to allow the parts to be moved by hand and to reset the paper feed mechanism, without the risk of an electrical shock.
3. Looking in through either the print cartridge access door or the output paper tray, make sure the print cartridges are locked into the carriage and have not come loose. Also, make sure that there are no obstructions under or around the carriage to block it from moving.
4. Make sure the print carriage can move freely across the width of the product by gently pushing the carriage to the left and then to the right. Clear any obstructions found.
You may have to reach through the output paper tray to access the print carriage.
5. Close the print cartridge access door and plug the power cord back to the back of the product. Plug the power cord into the power source.
6. Press the On button to turn on the product.

Step five: Reload and test the printer
After you have removed the jammed paper, make sure the product is still functioning properly.

1. Reload the product with plain paper.
2. Peform a self-test by pressing and holding the RESUME button on the control panel until the product begins printing. A test page prints.

Step six: Service the printer
If you have completed all the steps listed above and are still experiencing a problem, service the product.

1. Remove the paper from the paper tray.
2. Press the Power button and then wait for the jam to clear.
• If the paper jam cleared, try the print job again.
• If the paper jam is not resolved, continue.
3. Remove the rear access door. Press the handle to the right, and then pull out the door.
4. Remove any paper that is inside the printer by pulling the paper out from the back of the printer.
5. Replace the rear access door.
6. If the paper jam cannot be removed from the back of the printer, raise the product cover, carefully remove the jam from the front of the product, and then lower the cover.
7. Re-load the paper in the In tray. Fanning the paper makes sure that the pages are not stuck together.
8. Press the Power button ( ) to turn on the product.
9. Open the document in the application in which it was created.
10. Click File, Print, Properties, Printing Preferences click Paper/Quality tab.
11. Verify that the type of paper specified in the Type is text box matches the type of paper being used. A paper jam might result if photo paper is specified in the Printer Properties dialog box, but plain paper is loaded in the printer.
12. Click OK to try job again.

Issue The error ' Open Door, Clear Carriage Jam, and then Press Enter ' displays on the product. The following symptoms might also accompany this error:
* The product will not print. * Printing stops unexpectedly. * The carriage does not move.
Try the following solutions in the order presented to resolve the issue. When one of the solutions resolves the issue, there is no need to continue troubleshooting. Solution one: Turn the All-in-One off and on again
1. Press the Power button ( ) to turn off the product. 2. Press the Power button ( ) to turn the product on again.
* If these steps resolved the issue , you do not need to continue troubleshooting. * If the issue persists , continue to the next solution.
Solution two: Clear any paper jam A carriage jam might follow a paper jam. Follow these steps to check for and remove any jammed paper. Step one: Check for and remove any loose paper from the input tray Remove any loose paper from the input tray, the output tray, and the automatic document feeder (ADF). CAUTION: Do not remove jammed paper at this stage. Step two: Clear a paper jam from the rear access door WARNING: Always clear paper jams through the back door if possible. To avoid tearing the paper and damaging the print mechanism, pull paper from the printer slowly and gently. Avoid touching the internal components of the printer.
1. Disconnect the power cord from the back of the printer. 2. Remove the back door and remove as much jammed paper as possible.
3.Replace the back door and open the carriage access door. If there is paper visible that cannot be removed through the back door, gently pull it out from the front.
4. Reconnect the power cord and close the printer.
* If these steps resolved the issue , you do not need to continue troubleshooting. * If the issue persists , continue to the next solution.
Solution three: Make sure that the carriage moves freely
1. With the product turned on, open the cartridge access door. The carriage might try to move into the access area. If so, allow it to move to that position. 2. Without turning off the product, unplug the power cord from the back of the product. WARNING: You must disconnect the power cord to move parts by hand without the risk of an electrical shock. 3. Look in through either the cartridge access door or the output paper tray to make sure that the cartridges are secure in the carriage and not loose. Also, make sure that there are no obstructions under or around the carriage to block it from moving. 4. Make sure the carriage can move freely across the width of the product by gently pushing the carriage to the left and then to the right. Clear any obstructions found. You might have to reach through the output paper tray to access the carriage. 5. Close the cartridge access door and reconnect the power cord to the product. 6. Press the Power button ( ) to turn on the product.
* If these steps resolved the issue , you do not need to continue troubleshooting. * If the issue persists , continue to the next solution.
Solution four: Remove and reinsert the print cartridges Incorrect installation of the print cartridges can cause the product to show a false carriage jam. Follow these steps to remove, and then reinstall the print cartridges. Step one: Remove the print cartridges
1. Press the Power button ( ) to turn off the product. 2. Open the front of the product to access the carriage. The carriage moves to the center of the product.
3. Unlatch the two print cartridge latches, and then raise the latches. 4. Remove the print cartridges.
Step two: Reinsert the print cartridges
1. One at a time, hold a print cartridge with the printed label up, and then slide the print cartridge into its slot. Repeat this step for the other print cartridge.
# NOTE: Insert the black print cartridge into the slot with the gray latch, and insert the color cartridge into the slot with the blue latch. # Grasp the end of the latch on the cartridge slot with your thumb, and then pull the end of the latch toward you. While holding the latch, press down on the top of the latch until it stops, and then release the end of the latch so that it catches under the tabs. CAUTION: To avoid damaging the product, do not force the latches into place.

3. Close the product cover. A message displays on the control panel to align the print cartridges. 4. Press the Enter button to begin the cartridge alignment. Two pages print. Follow the instructions printed on the second page to complete the alignment. 5. Try the print job again.
* If these steps resolved the issue , you do not need to continue troubleshooting. * If the issue persists , continue to the next solution.

Did you check for jam in the back (open rear door maybe jam is there)?

Open and clean your printer with some air compress can.
Check the cartridges, take out and put them on place again
Unplug the printer for a while and plug in again
Reset the printer to factory settings
If still not shut down, the printer need to be serviced

**********************************************************
Solution one: Clear the jam from the back of the All-in-One
Follow these steps to clear a paper jam from the back of the product.
CAUTION: Trying to clear a paper jam from the front of the product can damage the print mechanism. Gain access to and clear paper jams through the rear door whenever possible.
Step one: Remove any loose paper
Remove any loose paper from the input tray.
CAUTION: Do not remove jammed paper at this stage.
Step two: Clear the jam from the rear access door
Press the Power button ( ) to turn the product off.
Unplug the power cord from the back of the product.
Turn the product so that you can access the back of the product.
Press in the tab on the left side of the rear access door to release it. Pull the door away from the product to remove it.
Figure 1: Remove the rear access door
Gently pull the jammed paper out of the rollers.
CAUTION: If the paper tears, check the rollers and wheels for torn pieces of paper that might remain inside the product. Remove all the pieces of paper from the product to prevent more paper jams.
Reinsert the rear door. Gently push the door forward until it snaps into place.
Plug the power cord into the product again.
Press the Power button ( ) to turn the product on.
Press OK to continue the current print job.
NOTE: Sometimes the print job cancels instead of continuing when you press OK . If this happens, restart the print job beginning with the page number when the jam occurred.
If these steps resolved the issue , you do not need to continue troubleshooting.
If the issue persists , continue to the next solution.
Solution two: Open the top cover and clear the jam
If you cannot remove the paper jam from the back of the product, follow these steps to remove the paper jam from the top.
CAUTION: Remove the paper jam carefully, because it is possible to damage the product when removing paper from the top.
With the product still turned on, unplug the power cord from the product.
Raise the cartridge door.
Figure 2: Raise the cartridge door
Gently pull any jammed paper out of the rollers.
Close the cartridge door.
Figure 3: Close the cartridge door
Plug the power cord into the product again.
Wait until the product is idle and silent, and then try the print job again.
If these steps resolved the issue , you do not need to continue troubleshooting.
If the issue persists , continue to the next solution.
Solution three: Clean the rollers
Follow these steps to clean the paper feed rollers and the pressure rollers to remove any debris, dirt, or paper scraps.
Press the Power button ( ) to turn the product off.
Unplug the power cord from the back of the product.
Turn the product so that you can access the back of the product.
Press in the tab on the left side of the rear access door to release it. Pull the door away from the product to remove it.
Figure 4: Remove the rear access door
Lightly moisten a lint-free cloth with distilled water, and then wipe the rollers inside the product with the cloth. Rotate the rollers upward with your fingers to clean the entire surface.
Wipe the pressure rollers on the inside the rear access door in the same manner as you did for the rollers inside the product.
Allow the rollers to dry completely.
Reinsert the rear access door. Gently push the door forward until it snaps into place.
Plug the power cord into the product again.
Press the Power button ( ) to turn the product on.
Try the print job again.
If these steps resolved the issue , you do not need to continue troubleshooting.
If the issue persists , continue to the next solution.
Solution four: Reload paper and check the print settings
Follow the steps to reload paper and check the print settings. The print settings must match the type of paper in the product.
Step one: Reload paper
Raise the output tray.
Slide the paper-width guide to its outermost position.
Figure 5: Slide paper-width guide outward
Fan a stack of paper to make sure the pages are not stuck together. Then tap the stack on a flat surface to align the edges.
Load the stack of paper in the main paper tray with the short edge forward and the print side down. Slide the stack forward until it stops.
Figure 6: Load paper in main paper tray
Slide the paper-width guide inward until it stops at the edge of the paper. Do not overload the main paper tray. Make sure the stack of paper fits within the main paper tray and is no higher than the top of the paper-width guide.
Figure 7: Slide paper-width guide inward
Lower the output tray, and then pull the output-tray extension toward you as far as it goes.
Step two: Check the print settings
Open the program that you were using to print when the paper jam occurred.
Click File , and then click Print . The Print dialog box opens.
Click Properties . The Document Properties dialog box opens.
Click the Paper/Quality tab.
Make sure the Paper size and Paper type settings match the paper loaded in the product.
NOTE: A paper jam might occur if the Document Properties dialog box lists photo paper, but plain paper is loaded in the product.
Click OK , and then click OK again to print the document.
If these steps resolved the issue , you do not need to continue troubleshooting.
If the issue persists , continue to the next solution.
Solution five: Reset the All-in-One
Press the Power button ( ) to turn off the product.
NOTE: The product might not turn off after pressing the Power button. Continue to the next step regardless.
Disconnect the power cord from the back of the product.
Disconnect the power cord from the electrical outlet, and then wait 30 seconds.
Connect the power cord to the electrical outlet.
Connect the power cord to the back of the product.
Press the Power button ( ) to turn on the product.
If these steps resolved the issue , you do not need to continue troubleshooting.
If the issue persists , continue to the next solution.
Step six: Service the All-in-One
If you have completed all the steps listed above and are still experiencing a problem, service the product.