Question about HP LaserJet 2840 All-In-One Printer

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Paper Jam? Print quality

I have had a paper jam in my HP2840. I have removed the fuser, drum and checked everywhere I can find along the paper path. I cannot find the paper (which was very thin W-2s). I no longer have the paper jam error code, but the print quality is really bad (smudging, etc). I never found the paper. Is there anything else I can take apart? Has my fuser or something else been damaged?

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  • cwoodard17 Jan 22, 2009

    Thanks for the advice. I just found the problem. The paper was folded up inside the drum and I was able to remove it with a letter opener.

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If the toner wipes off the printed pages, then the fuser is the problem....not hot enough or enough pressure to heat the toner to the paper. I would try to reseat the fuser...make sure it is making good electrical contact. I have also seen the paper actually wrap around the fuser roll, which would cause the same symptoms...be careful removing the paper if that has happened...the fuser roll can be easily damaged !

Posted on Jan 22, 2009

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Thank you contacting FixYa for your printer inquiry.
This error is associated with either a sheet of paper blocking the paper path or a partial piece of paper that blocks path or trips a sensor. The printer will usually throw up a error code 13.XX on the display and the XX is a number that will indicate where in the paper path this error most probably occurred. Just follow the steps for your error on the below chart.
This link will take you to the user guide which will be helpfull identifying components and providing guidelines for most of the helpful hints and things you will need to know about this printer.
http://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c00218691/c00218691.pdf
Locate your error on the matrix below and follow the steps. Comment back if you need more help. Thank you again for contacting FixYa.
TF
HP Laserjet Error Codes 0 - 19 Message on printer Display Panel What it means. What to do. 13.XX PAPER JAM [LOCATION] Media is jammed at the specified location (and possibly at other locations). If the message persists after all jams have been cleared, a sensor or sensor lever might be stuck or broken. For all jam messages, do the following: 1. Remove jammed print media from the specified location. Check the entire paper path for other pieces of media in the path. 2. Open and close the top cover to clear the message. 3. Check sensors and flags in the paper path for proper operation. 3.0 PAPER JAM [LOCATION] A non-specific paper jam occurred. 1. Remove jammed media from the specified location. 2. Verify the paper tray is fully closed. 3. Inspect and/or replace the feed and separation rollers. 4. Ensure there is no obstruction in the path, such as a torn piece of paper. 5. Open and close the top cover to clear the message. 6. Check sensors and flags for proper operation. 13.1 PAPER JAM OPEN INPUT TRAYS Paper-delay jam at paperfeed area. 1. Ensure that paper trays are loaded and adjusted properly so media can feed from the tray. It might be necessary to reduce the stack height of media in the tray. 2. Check the input area for obstructions such as media in the path. Also check to see if the registration assembly damaged or unseated. 3. Replace any defective sensors or flags. 4. Verify the media meets the specifications. 5. Check the pickup feed and separation rollers for unusual wear. Replace as needed. 6. Rotate the media in the input tray by 180° and/or turn it over On NX engines this is most likely the fuser flag or the ACPM. The ACPM has a photosensor hard-wired to the back of it. 13.10 PAPER JAM CHECK DUPLEXER Jam at duplexer. 1. Check the duplexer and the rear area of the printer for obstructions or damage. 2. Check the duplexer for proper operation. Replace the duplexer if a sensor is defective. On a 5si, 8000, or 8100 series laserjet a Duplex Jam can be caused by a tray 2 and 3 feed assembly failure. 13.14 For Laserjet 5si. This error is caused by a defective paper control PCA Replace paper control PCA. 13.2 PAPER JAM OPEN INPUT TRAYS Paper-stopped jam at paper-feed area. 1. Check the input area for obstructions such as paper in the path. Also check to see if the registration assembly is damaged or if the transfer roller is out of place. 2. Replace any defective sensors or flags. 3. Ensure the media does not exceed the maximum length. 4. If multiple sheets are feeding, it might be necessary to fan the media and reduce the stack height. Also, replace separation pad. 5. Verify that the fuser is properly installed. On NX engines this is an input jam. 13.20 PAPER JAM CHECK REAR DOOR Media stopped in the paper path during power on or when the top door was closed. 1. Remove all media in the paper path, and then open and close the top cover. 2. If the message persists after all media is removed: Check if media is jammed in the prefeed area. Replace any defective sensors or flags 13.21 DOOR OPEN JAM The top cover was open while printing. 1. Clear the jam and close the top door. 2. If the message persists, check the top door switch for proper operation. 13.5 PAPER JAM CHECK REAR DOOR Paper-delay jam at fuser. 1. Check the transfer roller and small media belt to ensure they are operating and can feed print media. 2. Check the paper path for obstructions at the transfer roller, toner cartridge, paper feed assembly, and fuser. 3. Replace any defective sensors or flags. 4. Turn the media stack over and/ or rotate it by 180° in the input tray. If still persists - replace fuser, then DC controller. 13.6 PAPER JAM CHECK REAR DOOR Paper-stopped jam at fuser. 1. Check the paper path for obstructions at the fuser and output/delivery area. 3. Replace any defective sensors or flags. 13.99 PAPER JAM [LOCATION] A non-specific paper jam occurred. 1. Remove jammed media from the specified location. 2. Verify the paper tray is fully closed. 3. Inspect and/or replace the feed and separation rollers. 4. Ensure there is no obstruction in the path, such as a torn piece of paper. 5. Open and close the top cover to clear the message. 6. Check sensors and flags for proper operation

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Most likely you have a small piece of paper stuck inside the paper path somewhere.
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The Main PWB sensed that a paper jam
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E2 Status Code (Without SDF) RAP
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2 Answers

Paper jam


If the jammed sheet is entirely within the printer, remove the sheet as follows:

r_1.gif Make sure that the printer is turned off.

r_2.gif Open the printer cover by pressing the latch on the left side of the printer and lifting the cover up all the way.

ppe031.gif

r_space.gif r_warn.gif Warning: r_space.gif r_space.gif Opening the printer cover exposes the fuser, which is marked CAUTION Hot Surface Avoid Contact. Be careful not to touch the fuser. If the printer has been in use, the fuser may be very hot.

hppe004.gif 1. CAUTION Hot Surface Avoid Contact

r_3.gif Remove the developer cartridge.

ppe030.gif

r_space.gif r_caut.gif Caution: r_space.gif r_space.gif When removing the developer cartridge, never touch the developing roller under the flap; otherwise, print quality may decline.

14.gif

r_4.gif Remove the photoconductor unit.

ppe028.gif

r_space.gif r_caut.gif Caution: r_space.gif r_space.gif Never touch the photoconductor unit's light-sensitive drum; otherwise, print quality may decline.

ppe029.gif

r_5.gif Remove the paper from the paper path.

ppe026.gif

r_space.gif r_note.gif Note: r_space.gif r_space.gif If paper is jammed at the fuser, grasp the bottom of the paper and pull it out.

ppe027.gif

r_6.gif Reinstall the photoconductor unit, and then the developer cartridge.

r_7.gif Close the printer cover.

r_8.gif Tap the edges of the stack of paper on a flat surface and carefully reload it into the MP tray. (Do not reload curled or wrinkled sheets.)

Printing automatically restarts from the page that jammed. If the Paper light stays on after removing all jammed paper, open and close the printer cover to clear the error.

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