Instructions for the HP Laserjet 2430DTN Maintenance Kit

Written by mary jo megginson
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Instructions for the HP Laserjet 2430DTN Maintenance Kit
Install a maintenance kit when your printer displays the error message "Perform Printer Maintenance." (gear image by circotasu from

Maintenance kits, otherwise known as "fuser kits," contain a number of replacement parts that often wear out on laser printers, such as rollers, separation pads, and a fusing assembly. These parts are necessary for using heat and pressure to bond the toner to the paper. The maintenance kit should be purchased and installed when your HP LaserJet 2430DTN printer displays the error message "Perform Printer Maintenance."

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Things you need

  • HP LaserJet 2400 series fuser
  • Transfer roller
  • Manual feed tray separation pad
  • Manual feed tray pickup roller
  • Cassette pickup roller
  • Cassette separation pad
  • Fuser drive gear
  • Needle-nose pliers
  • Phillips screwdriver
  • Small flathead screwdriver

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  1. 1

    Open the top cover of the printer and remove the toner cartridge. Use pliers to pinch the tabs on the transfer roller while lifting it up and to the left to remove it. Insert the new transfer roller on the right side first, ensuring the metal tip is secured into the black clip. Place the left side of the roller in place, making sure the spring part of the white plastic bushing is facing down and the grooves match up with the seating. Push down to lock it into place.

  2. 2

    Remove Tray 2 and lay the printer on its back to help you gain access to the pickup roller. Use your finger to pry out the white plastic lever beside the roller and rotate it outward. Slide the lever to the left to remove it. Slide the pickup roller to the left then pry out and rotate the white plastic lever on the right of the roller then slide it to the right to release it. Lift the pickup roller out of the printer and remove the small grey rollers from either end. Place these rollers on the new pickup roller. Place the new roller into the printer left side first, rotating it as you slide it to the right. Make sure the driveshaft rests in the slots. Replace the left lever and rotate both it and the right lever down until they lock into place.

  3. 3

    Turn off the printer and let it cool for at least 20 minutes. Open the back door of the printer all the way and use a screwdriver to remove both screws visible on the sides. Close the back door of the printer and lay the printer on its front. Open the paper guard from the back of Tray 2. Use a screwdriver to release the two tabs from inside Tray 2. Remove the rear cover of the printer. Remove the grey DIMM cover and use the screwdriver to to disengage the tab on the connector to unplug it. Remove the small black plastic cover on the right side of the printer near green fuser gear. Unplug the two wire connectors to free the yellow and white wire. Remove the four screws that hold the fuser in place and remove the duplexer inlet guide by prying the tabs on both ends loose. Remove the fuser. Remove the main fuser gear from the left side of the printer by depressing the release tab and sliding it off the metal bar. Replace it with the new gear that came with your maintenance kit. Insert the new fuser and secure the 4 fuser screws in place. Repeat all instructions in reverse until the back cover is once again screwed into place.

  4. 4

    Open the toner cartridge door. Spread the black tabs on either side of the Tray 1 pickup roller and rotate to release it. Use a screwdriver to pry the blue separation pad on both sides and in the middle until it snaps loose. Align the new separation pad with teeth facing down and use a screwdriver to help secure it into place. Snap the new pickup roller into place.

  5. 5

    Open Tray 2 and remove the 2 screws that hold the separation pad in place. Remove the old separation pad assembly and replace it with the new one, using the screws to secure it in place.

Tips and warnings

  • Your printer will likely need maintenance every 80,000 to 120,000 pages that are printed.
  • Hewlett-Packard also offers a maintenance kit replacement service by an HP-trained technician.

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