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HP LaserJet 2420 series troubleshooting


To better help our customers - this HP Laserjet 2400 series troubleshooting page is simply a guide / additional information for your convenience, as you search for assistance in repairing your machine.

Although this information is provided for your convenience it is recommended, for the most part, that a technician inspects your office equipment. It is recommended to consult with a professional when ordering your printer part(s).

P/s use our SmartSearch to locate your part number.


  • Solving general problems, clearing jams, paper handling problems, and error messages
    • Solving general printing problems
    • Clearing jams
    • Avoiding jams
    • Typical jam locations
    • Media handling problems
    • Multiple pages feed
    • Pages are wrinkled or folded
    • Pages are skewed
    • Understanding printer messages
    • Using the printer online Help system
    • Resolving persistent messages

  • Troublehsooting flow chart and tools
    • Troubleshooting tree
    • Troubleshooting flowchart
    • Troubleshooting tools
    • Information pages
    • Embedded Web server
    • Gaining access to the embedded Web server
    • Printer Status and Alerts software

  • Control panel menus, resets, engine tests, and interface troubleshooting
    • Control-panel menus
    • Using control-panel menus
    • Resets submenu
    • Diagnostics menu
    • Service menu (service PIN codes)
    • Printer resets and power-on modes
    • Cold reset
    • NVRAM initialization
    • Hard-disk initialization
    • Power-on bypass
    • Save + Restore
    • Test pages
    • Engine-test page
      Formatter test page
    • Interface troubleshooting
    • Communications checks
    • EIO troubleshooting

  • Correcting print quality problems
    • Correcting print-quality problems
    • Print-quality checklist
    • Image-defect examples
    • Light print (partial page)
    • Light print (entire page)
    • Specks
    • Dropouts
    • Lines
    • Gray background
    • Toner smear
    • Loose toner
    • Repeating defects
    • Repeating image
    • Misformed characters
    • Page skew
    • Curl or wave
    • Wrinkles or creases
    • Vertical white lines
    • Tire tracks
    • White spots on black
    • Scattered lines
    • Blurred print
    • Random image repetition

  • Windows, Mac, and Postscript troubleshooting
    • Troubleshooting common Windows problems
    • Troubleshooting common Macintosh problems
    • Troubleshooting common PostScript problems
    • General problems
    • Specific errors



Q5956A HP LaserJet 2420 Supplies
Part Number Description Price
11X HI YIELD BLACK TONER $182.40
11X HI YEILD BLACK TONER (COMPATIBLE) $125.40
Maintenance kit - LaserJet 2400 maintenance kit - Includes (120V) fusing roller, transfer roller, Tray 1 pickup roller, Tray 2 separation pad and pickup roller, gloves and installation instructions $295.00
Maintenance kit - LaserJet 2400 maintenance kit - Includes (120V) fusing roller, transfer roller, Tray 1 pickup roller, Tray 2 separation pad and pickup roller, gloves and installation instructions $295.00
JetDirect connectivity card - Has one USB port, one serial (DB9) port, and one LocalTalk port - Plugs in one of the EIO slots on selected DesignJet and LaserJet printers $245.00
HP JetDirect 680N internal wireless IEEE-802.11b (Wi-Fi) print server - Plugs into peripheral EIO slot $497.00
JetDirect 620N internal print server LAN interface board - 10Base-T and 100Base-TX - Plugs into peripheral EIO slot, has RJ-45 connector. $305.00
HP JetDirect 620n internal print server - 10BaseT and 100BaseTX LAN interface board - Plugs into peripheral EIO slot - Has an RJ-45 connector $305.00
HP 64MB 100-pin DDR DIMM - Used to add flash memory-based accessory fonts, macros, and patterns $50.00
HP 64MB 100 Pin DDR DIMM - Used to add flash memory-based accessory fonts, macros, and patterns $50.00
128MB, 100-pin, DDR SDRAM DIMM memory module $150.00
HP 256MB 100 Pin DDR DIMM - Used to add flash memory-based accessory fonts, macros, and patterns $140.00
500-sheet paper input tray assembly - For HP LaserJet 2400 Series - Holds Letter, A4, Legal, A5, B5, Executive and 8.5 x 13-inch paper sizes $165.00
Black toner cartridge - For Laserjet 2410/2420/2430 - Prints approximately 6,000 pages per cartridge $172.41
Black toner cartridge - For Laserjet 2410/2420 - Prints approximately 12,000 pages per cartridge $172.41
HP LaserJet 2400 series print cartridge - Prints approximately 6,000 pages $123.88
11A YEILD BLACK TONER (COMPATIBLE) $85.17
HP LaserJet 2400 series print cartridge - Prints approximately 12,000 pages $208.24
11X HI YEILD BLACK TONER (COMPATIBLE) $143.17
HP 32MB 100 Pin DDR DIMM - Used to add flash memory-based accessory fonts, macros, and patterns $69.00
HP 64MB 100-pin DDR DIMM - Used to add flash memory-based accessory fonts, macros, and patterns $50.00
128MB, 100-pin, DDR SDRAM DIMM memory module $420.00
HP 256MB 100-pin DDR DIMM - Used to add flash memory-based accessory fonts, macros, and patterns $789.69
LJ2410/20/30 32MB FMCV08.111.1 $79.00
Cooling fan - Main cooling fan FM1 - Located in lower right front side $25.00
500-sheet tray/cassette - This is only the tray, does not include feeder or frame that tray goes into. $102.00
Tray 2 separation pad assembly - Includes the pad on a spring loaded arm in a holder frame - Mounts toward the front of the tray $24.00
Paper pickup assembly - Tray 2 paper pickup assembly $57.00
Tray 1/MP Tray pickup roller shaft assembly - Includes roller shaft, bushings and pickup roller $25.00
250 sheet paper tray cassette - Pull out cassette that the paper is loaded into - Does NOT include the paper feed base assembly $85.00
250 sheet paper tray cassette - Pull out cassette that the paper is loaded into - Does NOT include the paper feed base assembly/ $85.00
HP LaserJet 2400 series fusing assembly - Bonds the toner to the paper with heat - For 110V to 120VAC operation $250.00
HP LaserJet 2400 series fusing assembly - Bonds the toner to the paper with heat - For 110V to 120VAC operation $250.00
Lower feed guide assembly $52.00
Printer drive assembly - Located on the right side of printer $30.00
HP LaserJet 2400 series fusing assembly - Bonds the toner to the paper with heat - For 110V to 120VAC operation $250.00
HP LaserJet 2400 series fusing assembly - Bonds the toner to the paper with heat - For 110V to 120VAC operation $250.00
FIXING ASSY- 110V HP LaserJet 2400 series fusing assembly - Bonds the toner to the paper with heat - For 110V to 120VAC operation $215.00
FIXING ASSY- 110V HP LaserJet 2400 series fusing assembly - Bonds the toner to the paper with heat - For 110V to 120VAC operation $215.00
Fuser assembly - For 110 VAC - Bonds toner to paper with heat HP LaserJet 2400 series fusing assembly - Bonds the toner to the paper with heat - For 110V to 120VAC operation $215.00
HP LaserJet 2400 series fusing assembly - Bonds the toner to the paper with heat - For 220V to 240VAC operation $250.00
HP LaserJet 2400 series fusing assembly - Bonds the toner to the paper with heat - For 220V to 240VAC operation $250.00
FIXING ASSY- 220V Fusing assembly - For 220 VAC - Bonds the toner to the paper with heat $250.00
FIXING ASSY- 220V Fusing assembly - For 220 VAC - Bonds the toner to the paper with heat $250.00
Fusing assembly - For 220 VAC operation - Bonds the toner to the paper with heat $250.00

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