HP Color LaserJet 2840 User Manual

Other: How do I?
Use this section to answer other questions about the device.
Receive toner warnings from the device at my computer
Use HP Toolbox to set up the device so that it will issue pop-up alerts to your computer
when a print cartridge level is low.
1. Open HP Toolbox and click the Alerts tab.
2. Click the Set up Status Alerts page.
3. Select Turn on alerts, select When the HP print cartridge is low or a non-
HP cartridge is installed, and then select As a pop-up message.
4. Click Apply.
Receive...

NoteThis method is more thorough than the method of using the cleaning page from the device
control panel.
1. Open HP Toolbox and click the Troubleshooting tab.
2. Click the Troubleshooting Tools link.
3. In the Cleaning Page section, click Print.
The device prints a cleaning page.
4. At the device, remove all paper from tray 1, and then place the cleaning page print-side
down in tray 1.
5. In HP Toolbox, in the Cleaning Page section, click Clean.
The device sends the cleaning page through the paper...

2. Open the top cover.
3. Make sure that the correct print-cartridge slot is in the access position.
●If the correct print-cartridge slot is not in the access position, close the top cover and
the scanner assembly, and then press R
OTATE CAROUSEL until the correct print-
cartridge slot is in the correct position.
4. Pinch together the two large blue tabs on the first cartridge, and then lift the cartridge
straight up to remove it from the carousel.
5. Remove the new print cartridge from its packaging,...

6. Squeeze the blue release levers on the print cartridge, holding it with the roller facing
you. Lower the cartridge straight down into the carousel until it is firmly in place.
●If you need to replace another cartridge, close the top cover and the scanner
assembly, press R
OTATE CAROUSEL, and then repeat steps 4 through 6.
7. Close the top cover, and then close the scanner assembly.
Replace the imaging drum
1. Push the scanner-release button to open the scanner assembly.
2. Open the top cover.
3. Grasp...

4. Lift the imaging drum straight up to remove it from the device.
5. Remove the new imaging drum from its packaging.
6. Place the imaging drum on a firm surface, and then pull the orange rings to remove the
shipping pins.
7. Remove the orange shipping lock on each end of the imaging drum, and remove the two
orange shipping spacers.
8. Remove the orange cover from the imaging drum.
CAUTIONDo not touch the surface of the roller or expose the roller to light for an extended period of
time. Doing so could...

10. Lower the imaging drum into the printer, and then press it firmlyinto place.
11. Close the top cover and the scanner assembly.
Clear jams
Occasionally, paper or other print media can become jammed during a print job. Complete
the following tasks to clear media jams.
To clear a media jam inside the device
CAUTIONMedia jams might result in loose toner on the page. If toner gets on your clothing, wipe the
toner off with a clean cloth, wash the items in cold water, and air dry. Using hot water or heat...

3. Open the top cover, and then remove the image drum and set it aside.
4. With both hands, grasp the side of the media that is most visible (this includes the
middle), and carefully pull it free from the device.
5. When you have removed the jammed media, replace the image drum, and close the top
cover and the scanner assembly.
6. Return the fuser levers to their original upward position.
After clearing the media jam, you might need to turn the device off, and then turn it on again.
Note
When you add new...

2. On the back of the device, open the rear-output door, and then push down the fuser
levers.
Releasing the fuser levers relieves tension on the device rollers, which makes removing
jammed pages easier.
3. Grasp the leading edge of the media and pull the media out through the output bin.
4. Return the fuser levers to their original upward position, and then close the rear-output
door.
5. Close the top cover and the scanner assembly.
Note
If you turned the device off before clearing the media jam, turn it...

3. Grasp the fuser handles and pull them to remove the fuser from the device.
CAUTIONThe parts on the internal surface of the fuser are very hot. To avoid burning yourself, do not
touch those parts.
4. Using both hands, slowly and steadily remove any print media from inside the device.
Then, carefully reinsert the fuser and secure the locks.
5. Reconnect the power cable, and then turn on the device.
To clear a media jam from the automatic document feeder (ADF)
1. Open the ADF cover.
NoteVerify that any...

4. Lifting the green lever, rotate the pick mechanism until it stays open.
5. Open the ADF lid and gently loosen the media by using both hands.
6. When the media is free, gently pull it out in the direction shown.
7. Close the lid to the flatbed scanner.
8. Lower the green lever.
9. Reinstall the cleanout part by inserting it as shown. Push down on the two tabs until the
part snaps into place. Install the cleanout part correctly, because future jamming might
occur if the cleanout part is not replaced...