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HP Laserjet Printer Error Codes

HP Error Code: Error 14 No EP cartridge

  • Check that a toner cartridge is installed and fully seated.
  • On HP II/III and IISi/4Si models check that at least one sensitivity tab is installed on the right side of the toner cartridge. If you see 2 holes and no square plastic tabs sticking in at least one of them, the printer will not see the cartridge. If one tab is installed and the printer still doesn't recognize the cartridge, try popping out the tab and putting it in the other position.
  • On HP 4/4+/5 printers the high voltage contacts can be dirty or misaligned. If contacts are ok, replace the high voltage power supply.

HP Error Code: Error 16 Toner low

  • Toner cartridge is low on toner. Try gently rocking the cartridge to redistribute the toner. This will buy you 50-100 pages. Get a new cartridge as soon as possible.
  • Dirty or misaligned contacts on the high voltage power supply.
  • On the HP II/III printers it can be a loose connector on DC controller see tweaking for instructions on how to repair it.
  • On the HP 4/4+/5 printers there is a potentiometer adjustment on the left side of the printer. You have to remove the left panel and you'll see it. It's located at about the exact center of the printer.

HP Error Code: Error 18 MIO Not Ready

  • The printer is not connected to a Lan.
  • The MIO (Jet Direct) card is defective or not seated correctly. Reseat or replace it. If you have another printer with the same card, try swapping them. Always turn printer power off when removing or inserting cards.

Error 20 Memory Overflow

  • Print job has exceeded the memory capacity of the printer. Simplify the print job, reduce the dpi setting or install additional memory. See our specials page for memory.

HP Error Code: Error 21 Print Overrun

  • See error 20

Error 22 I/O Configuration

  • Printer or computer I/O configuration is incorrect
  • I/O cable is wrong or damaged
  • The computer is switched off
  • I/O port on printer is damaged. Replace the formatter.

HP Error Code: Error 23 I/O Not Ready

  • I/O card can't accept data or isn't connected to the network. Check card seating (with power off) and replace if necessary.

HP Error Code: Error 24 Job Memory Full

  • Too much data or too complex data for printer memory. See error 20.

Error 25 XXX Memory Full

  • Too much data or too complex data for printer memory. See error 20.

HP Error Code: Error 30 PS Error 16

  • I/O time out. Printer got tired of waiting for user interaction like a manual feed. Check the I/O connections. Check display panel for media request.

HP Error Code: Error 30 PS Error 22/25

  • Postscript error. Replace the Postscript SIMM module

HP Error Code: Error 30 PS Error (all others)

  • A PCL file was sent to the printer while it was in Postscript mode.

HP Error Code: Error 30.1.1 Disk Failure

  • 5si/8000 optional hard drive has crashed. Press select to continue.

HP Error Code: Error 40 Data Transfer Error

  • Printer and computer may be set to different baud rates.
  • The computer is turned off.
  • The MIO card is defective or improperly seated.
  • Press continue or go on the printer to clear message.

HP Error Code: Error 41 (temporary print engine error)

  • Temporary error has occurred. Press Go or Continue. Power cycle the printer.
  • On IIP/IIP+/IIIP with lower cassette option order our 41 Service Error Repair Kit

HP Error Code: Error 41.1 41.2 41.3

  • Defective connections. Reseat J205,206,207 and laser scanner connectors.
  • Paper multifeed or wrong size paper being used.
  • Paper size selection doesn't match the paper being used.
  • Cassette is overfull or improperly adjusted.

HP Error Code: Error 41.4 or 41.5

  • Formatter PCA or DC controller is defective.

Error 50 (fuser malfunction)

  • HP II/III series most likely cause is the ac power module is defective. Order the HP II/III Service 50 Error Repair Kit Quartz fuser lamp is burned out. Order the replacement fuser on specials page. Slight possibility of loose connector on DC controller. See tweaking page DC controller could also be defective, but this is very rare.
  • HP IIP/IIP+/IIIP most likely cause is burned out quartz lamp. Order the HP IIP/IIIP 50 Service Error Repair Kit. Could also be a failure of the power supply.
  • HP 4/4+/5 most likely cause is burned out quartz lamp. Order the HP 4 Service 50 Error Repair Kit. Could also be a failure of the power supply.
  • 4L/4P/5L/5P/6L/6P most likely cause is a bad ceramic heating element.
  • All other printers most likely cause is burned out quartz lamp. In rare instances the ac power supply has failed. Even rarer, the DC controller is defective.

HP Error Code: Error 51 (beam detect error)

  • HP II/III series see tweaking page. Check the tab on the bottom of the toner cartridge facing you as you open the printer. If it's broken off it won't open the laser shutter. Check fiber optic cable for kinks or other damage.
  • HP IIP/IIP+/IIIP could be either the laser pca or the scanner motor. Listen for erratic sounding scanner motor. There is a tab on the front of the toner cartridge that could also cause the problem. If its damaged or worn, it won't open the laser shutter. Check fiber optic cable for kinks or other damage.
  • All other printers, replace laser scanner assembly.

HP Error Code: Error 52 (scanner motor malfunction)

  • HP II/III series see tweaking page.
  • HP IIP/IIP+/IIIP order the 52 Service Error Repair Kit.
  • All other printers, replace laser scanner assembly.

HP Error Code: Error 53 (accessory memory error)

  • All printers replace bad memory board or defective SIMM. See specials page.

HP Error Code: Error 54

  • Defective duplexer.

HP Error Code: Error 55 (internal communication problem)

  • On the HP 2 series you have to replace both the dc controller and formatter boards. On all other printers it can be several things: DC controller, formatter, main motor

HP Error Code: Error 56

  • On the IID/IIID the output selector knob on the rear assembly is not in the duplex position. On the 3Si/4Si a command was sent to print envelopes while the printer was in duplex mode.

HP Error Code: Error 57

  • 6L/5L Memory card incompatibility - 1,2,4,8 MB, 5 volt, 70 nanosecond or faster
  • 6P/5P/5 Improper main motor function, check gear train for binding. Check DC controller connections - replace main motor
  • 4L/4 Main motor problem, check gear train for binding. Replace main motor
  • IIIP/IIP+/IIP Error 57-1 Incompatible memory can be either in the top or bottom slot. Also check motor cable connections. Replace main motor. Can also be a defective DC controller.
  • 5Si/4+/4Si/IIISi (X=2, 3 or 4) Fan motor is defective, check fan number X or duplexer fan and replace as necessary
  • 5 Main motor failure - replace main motor
  • 4+ 57.1 Gears are seized, main motor is bad or DC controller is bad
  • 4Si/IIISi 57.1 Gears seized, defective top cover switch, faulty AC interlock switch, J010 loose or faulty, bad main motor PCA

HP Error Code: Error 58

  • 4/4L/4P/4V/5/5P Check the fan cable - reseat the cable or replace the fan
  • 4V/4MV Defective DC controller board - replace dc controller
  • 4Si/IIISi 58.1/58.2 Paper cassette is impoperly inserted
  • 5Si 58.X Tray/Lifter Malfunction if X=1: Tray 2 lifter, X=2: Tray 3 lifter, X=3: Tray 1 lifter, X=4: Tray 4 lifter Press SELECT to continue

HP Error Code: Error 59 Add Memory

  • 4Si/IIISi Not enough memory for PostScript option. Verify SIMM's are seated properly, replace any defective SIMMS
  • 5Si 59.X Main motor malfunciton X=1: Main motor startup failure, X=2: Main motor rotation failure Error 62.X

62.0 Service, 62.1-4 Service, 62.5 Service, 62.6 Service All Printers

  • 1. Improperly seated SIMMs or font cartridge - remove, check and clean the contacts, re-install and try again.
  • 2. Defective Internal Memory - Replace the Formatter PCA.

HP Error Code: Error 67 Defective formatter PCA

  • 2/2D/2P/2P+/3/3D/3P/4/4+/4P - Defective formatter board, try reseating the connectors and any accessories you may have plugged in to it, turn power off first!
  • On the 4Si it could be a temporary error which can be corrected by cycling the power
  • 4V/4MV - Most common cause is a defective paper guide plate assembly.
  • 5Si The field replaceable units (FRU's) not installed correctly. Check and reinstall.

HP Error Code: Error 79

  • Software/drivers, Memory PCA's, Font-Macro-Personality Cartridges, option I/O Cards. Defective toner cartridge in the Laserjet 4 Plus only. Remove any accessories (font cartridges, memory PCA's, SIMMs, etc.) plugged into the formatter card and try again. If the problem persists and is application specific, verify proper setup with application vendor.
  • Defective Formatter PCA - Replace with known operational board and try again.

HP Error Code: Error 80

  • Improper MIO connection - look at pins on formatter MIO connection
  • Defective MIO Card - Replace card
  • Defective Formatter Card - Replace card

HP Error Code: Error 89

  • The PostScript ROM's have bent or broken pins inspect the pins and reseat if necessary
  • Check to see that the ROM SIMM's are in the proper location and oriented properly
  • This can also be a temporay error, try power cycling the printer
  • The PostScript ROM's/SIMM are defective

About William Elward

Founder of Castle Ink, William Elward has 20 years experience in the printer industry. He's been featured on CNN Money, Yahoo, PC World, Computer World, and other top publications and frequently blogs about printers and ink cartridges. He's an expert at diagnosing printer issues and has published guides to fixing common printer issues across the internet. A graduate of Bryant University and Columbia's Sulzberger Executive Leadership Program, he's held various leadership positions at The College Board, Bankrate, Zocdoc, and Everyday Health. Follow him on Twitter at William Elward's Twitter Profile