Service HP Printer repair service HP LaserJet Pro 400 M401, M425 Mono Laser Printer On-site Repair Service

Digital Office Solutions

  • £22.50 + vat


Product Description

Service HP Pinter repair service HP LaserJet Enterprise P3015 Mono Laser Printer On-site Repair Service

Mfr Part Code 1-# Callout Zone A £22.50

Service HP Printer repair service HP LaserJet Pro 400 M401, M425 Mono Laser Printer On-site Repair Service

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Trading Standards approved On-site HP Color LaserJet Pro 400 M401, M425 MFP Printer

We are a HP, HP authorized re-seller as such our engineers have undergone manufacturer training courses. 

Our engineers vans are fully equipped with a full set of consumables and a comprehensive stock of spare parts including paper feed printer repair kits etc to ensure your HP Pro 400 M401, M425 lazer printer is printer repaired as soon as possible.

HP Pro 400 M401, M425 printer faults  repaired:-

  • Paper jams and misfeeds, concertinaed paper
  • Poor quality prints, lines on prints
  • Printer dead
  • Print rubbing off
  • ADF Document Feeder jams
  • and many more

HP Pro 400 M401, M425 laser printer repair charges

HP Pro 400 M401, M425 Service Callout Charge Zone A £22.50+vat

  • Service callout costs start from £22.50 and include 10 minutes on site labour in Zones A and B, Zone C and D call out includes 30 minutes labour, within this time our engineer will be able to give a diagnosis and estimate on how much time the printer repair will require.
  • City centre calls incur an additional £10 surcharge to cover congestion, distance from parking to site.
  • Parking charges will be added to the bill
  • Additional Labour is charged at £35.00 per half hour.
  • If an additional visit is required to fit a part to you HP Pro 400 M401, M425 then this is charged just as the additional labour time (no 2nd call out fee or mileage charges) you will be billed for additional parking.

We are a "Trading Standards" approved trader, as such we have been vetted and approved by Trading Standards to ensure that we operate in a legal, honest and fair way.

HP Pro 400 M401, M425 MFP LASER printer repair GUARANTEE

Our HP Pro 400 M401, M425 printer repairs are fully guaranteed, we will attend site, carryout any necessary work and advise the client on any way in which they could improve the performance of their printer. Should a further problem arise then we will printer repair it without additional charges*.

*Please note that if we have recommended that a parts is wearing out and needs replacing and you choose to continue to use the printer and the fault reoccurs then this is not covered by our guarantee. Also if we attend site to find a printer badly contaminated with compatible toner residue, we will either advise the customer on a compatible toner that we would recommend for use with their printer or recommend originals, again if our recommendation is not adhered to and the the fault reoccurs then this is not covered

Zone A Minimum call cost £22.50 + vat. We will undertake HP Pro 400 M401, M425 MFP series printer repairs in the following towns and local areas for a callout fee of £22.50 including the first 10 minutes labour and £35.00 per half hour additional labour.

Zone B Minimum call cost £30.00 + vat. We will undertake HP Pro 400 M401, M425 series printer repairs in the following towns and local areas for a callout fee of £30.00 including the first 10minutes labour and £35.00 per half hour additional labour.

Zone C Minimum call cost £75.00 + vat. We will undertake HP Pro 400 M401, M425 series printer repairs in the following towns and local areas for a callout fee of £75.00 including the first half hours labour and £35.00 per half hour additional labour.

Zone D Minimum call cost £90.00 + vat. We will undertake HP Pro 400 M401, M425 series printer repairs in the following towns and local areas for a callout fee of £90.00 including the first half hours labour and £35.00 per half hour additional labour.

City Centre Supplement - Call outs in towns marked with ** may be subject to a £10 additional charge, this only applies to city centres ie Brighton calls south of the Old Shoreham Rd and from Palmeira Square in the west to Bedford St in the east.

We will undertake on site HP Pro 400 M401, M425 laser printer repairs in the following towns and surrounding areas:-

  • Crawley HP Pro 400 M401, M425 printer repair Zone A
  • Alton HP Pro 400 M401, M425 printer repair Zone C
  • Andover HP Pro 400 M401, M425 printer repair Zone D
  • Ardingley HP Pro 400 M401, M425 printer repair Zone A
  • Ashington HP Pro 400 M401, M425 printer repair Zone A
  • Aylesbury HP Pro 400 M401, M425 printer repair Zone D 
  • Balcombe HP Pro 400 M401, M425 printer repair Zone A
  • Banstead HP Pro 400 M401, M425 printer repair Zone A
  • Basildon HP Pro 400 M401, M425 printer repair Zone D 
  • Basingstoke HP Pro 400 M401, M425 printer repair Zone C 
  • Battersea HP Pro 400 M401, M425 printer repair Zone D 
  • Battle HP Pro 400 M401, M425 printer repair Zone C
  • Billingshurst HP Pro 400 M401, M425 printer repair Zone A
  • Bognor Regis HP Pro 400 M401, M425 printer repair Zone C 
  • Bournemouth HP Pro 400 M401, M425 printer repair Zone D 
  • Bracknell HP Pro 400 M401, M425 printer repair Zone C
  • Brentwood HP Pro 400 M401, M425 printer repair Zone D 
  • Brighton HP Pro 400 M401, M425 printer repair Zone B **
  • Brixton HP Pro 400 M401, M425 printer repair Zone D 
  • Burgess Hill HP Pro 400 M401, M425 printer repair Zone A
  • Camberley HP Pro 400 M401, M425 printer repair Zone C
  • Camberwell HP Pro 400 M401, M425 printer repair Zone D 
  • Canary Wharf HP Pro 400 M401, M425 printer repair Zone D ** 
  • Canterbury HP Pro 400 M401, M425 printer repair Zone D 
  • Caterham HP Pro 400 M401, M425 printer repair Zone A
  • Chalk Farm HP Pro 400 M401, M425 printer repair Zone D 
  • Chelmsford HP Pro 400 M401, M425 printer repair Zone D 
  • Chichester HP Pro 400 M401, M425 printer repair Zone C **
  • Chiswick HP Pro 400 M401, M425 printer repair Zone D 
  • Clapham HP Pro 400 M401, M425 printer repair Zone D 
  • Copthorne HP Pro 400 M401, M425 printer repair Zone A
  • Cowfold HP Pro 400 M401, M425 printer repair Zone A
  • Cranleigh HP Pro 400 M401, M425 printer repair Zone B
  • Coulsdon HP Pro 400 M401, M425 printer repair Zone A
  • Crouch End HP Pro 400 M401, M425 printer repair Zone D 
  • Crowbrough HP Pro 400 M401, M425 printer repair Zone B 
  • Croydon HP Pro 400 M401, M425 printer repair Zone B **
  • Cuckfield HP Pro 400 M401, M425 printer repair Zone A
  • Dartford HP Pro 400 M401, M425 printer repair Zone C
  • Ditchling HP Pro 400 M401, M425 printer repair Zone A
  • Dorking HP Pro 400 M401, M425 printer repair Zone A
  • Dover HP Pro 400 M401, M425 printer repair Zone D 
  • Eastbourne HP Pro 400 M401, M425 printer repair Zone B 
  • East Dulwich HP Pro 400 M401, M425 printer repair Zone D 
  • Edenbridge HP Pro 400 M401, M425 printer repair Zone B 
  • Epson HP Pro 400 M401, M425 printer repair Zone A
  • Esher HP Pro 400 M401, M425 printer repair Zone B 
  • Farnborough HP Pro 400 M401, M425 printer repair Zone B 
  • Folkestone HP Pro 400 M401, M425 printer repair Zone D 
  • Forest Row HP Pro 400 M401, M425 printer repair Zone A
  • Fulham HP Pro 400 M401, M425 printer repair Zone D 
  • Gatwick Airport HP Pro 400 M401, M425 printer repair Zone A **
  • Godalming HP Pro 400 M401, M425 printer repair Zone B 
  • Godstone HP Pro 400 M401, M425 printer repair Zone A
  • Greenwich HP Pro 400 M401, M425 printer repair Zone D 
  • Guildford HP Pro 400 M401, M425 printer repair Zone B **
  • Hammersmith HP Pro 400 M401, M425 printer repair Zone D 
  • Handcross HP Pro 400 M401, M425 printer repair Zone A
  • Haringey HP Pro 400 M401, M425 printer repair Zone D 
  • Harlow HP Pro 400 M401, M425 printer repair Zone D 
  • Hassocks HP Pro 400 M401, M425 printer repair Zone A
  • Hastings HP Pro 400 M401, M425 printer repair Zone C
  • Haywards Heath HP Pro 400 M401, M425 printer repair Zone A
  • Henfield HP Pro 400 M401, M425 printer repair Zone A
  • Herne Hill HP Pro 400 M401, M425 printer repair Zone D 
  • High Wycombe HP Pro 400 M401, M425 printer repair Zone D 
  • Holloway HP Pro 400 M401, M425 printer repair Zone D 
  • Horley HP Pro 400 M401, M425 printer repair Zone A
  • Horsham HP Pro 400 M401, M425 printer repair Zone A
  • Kensal Green HP Pro 400 M401, M425 printer repair Zone D 
  • Lambeth HP Pro 400 M401, M425 printer repair Zone D 
  • Lancing HP Pro 400 M401, M425 printer repair Zone B 
  • Leatherhead HP Pro 400 M401, M425 printer repair Zone A
  • Lewes HP Pro 400 M401, M425 printer repair Zone A
  • Littlehampton HP Pro 400 M401, M425 printer repair Zone B 
  • Maidenhead HP Pro 400 M401, M425 printer repair Zone C
  • Maidstone HP Pro 400 M401, M425 printer repair Zone C
  • Margate HP Pro 400 M401, M425 printer repair Zone D 
  • Midhurst HP Pro 400 M401, M425 printer repair Zone C
  • Newham HP Pro 400 M401, M425 printer repair Zone D 
  • Newick HP Pro 400 M401, M425 printer repair Zone A
  • Oxted HP Pro 400 M401, M425 printer repair Zone A
  • Oxford HP Pro 400 M401, M425 printer repair Zone D 
  • Peckham HP Pro 400 M401, M425 printer repair Zone D 
  • Petersfield HP Pro 400 M401, M425 printer repair Zone C 
  • Petworth HP Pro 400 M401, M425 printer repair Zone B 
  • Pimlico HP Pro 400 M401, M425 printer repair Zone D 
  • Poplar HP Pro 400 M401, M425 printer repair Zone D 
  • Portslade HP Pro 400 M401, M425 printer repair Zone B
  • Pulborough HP Pro 400 M401, M425 printer repair Zone B
  • Purley HP Pro 400 M401, M425 printer repair Zone B
  • Redhill HP Pro 400 M401, M425 printer repair Zone A
  • Reigate HP Pro 400 M401, M425 printer repair Zone A
  • Salisbury HP Pro 400 M401, M425 printer repair Zone D 
  • Sevenoaks HP Pro 400 M401, M425 printer repair Zone B 
  • Shoreham HP Pro 400 M401, M425 printer repair Zone B 
  • Southend HP Pro 400 M401, M425 printer repair Zone D 
  • Southwater HP Pro 400 M401, M425 printer repair Zone A
  • St Albans HP Pro 400 M401, M425 printer repair Zone D 
  • Steyning HP Pro 400 M401, M425 printer repair Zone B
  • Stoke Newington HP Pro 400 M401, M425 printer repair Zone D 
  • Storrington HP Pro 400 M401, M425 printer repair Zone B 
  • Stratford HP Pro 400 M401, M425 printer repair Zone D 
  • Sutton HP Pro 400 M401, M425 printer repair Zone B
  • Swindon HP Pro 400 M401, M425 printer repair Zone D 
  • Tonbridge HP Pro 400 M401, M425 printer repair Zone B
  • Tunbridge Wells HP Pro 400 M401, M425 printer repair Zone B
  • Uckfield HP Pro 400 M401, M425 printer repair Zone B
  • Vauxhall HP Pro 400 M401, M425 printer repair Zone D 
  • Walthamstow HP Pro 400 M401, M425 printer repair Zone D 
  • Walton on Thames HP Pro 400 M401, M425 printer repair Zone B
  • Washington HP Pro 400 M401, M425 printer repair Zone B
  • Weybridge HP Pro 400 M401, M425 printer repair Zone B
  • Westminster HP Pro 400 M401, M425 printer repair Zone D 
  • Westerham HP Pro 400 M401, M425 printer repair Zone B
  • Whitechapel HP Pro 400 M401, M425 printer repair Zone D 
  • Winchester HP Pro 400 M401, M425 printer repair Zone D
  • WHPng HP Pro 400 M401, M425 printer repair Zone B
  • Wood Green HP Pro 400 M401, M425 printer repair Zone D
  • Woolwich HP Pro 400 M401, M425 printer repair Zone D 
  • Worthing HP Pro 400 M401, M425 printer repair Zone B

 

Find listed below fault codes relating to the HP Color LaserJet Pro 400 M401, M425 MFP Printers, if you are having trouble with your printer cal 01293 537827 to book a service visit.

Pro 400 M401, M425 MFP Error Code:- 02 - Warming Up
Cause:- This is commonly associated with printer cable or driver problems.
Remedy:- Turn off the printer and remove the printer cable (USB or I/O cable), then turn it back on. If the printer reports "Ready" then first update the driver, and if not resolved then the printer cable. If there is still an error, there may be a hardware problem.
Pro 400 M401, M425 MFP Error Code:- 10 - Supplies Memory Error
Cause:- Your printer has a problem with the toner cartridge chip, which it's unable to read. This is the electronic information, or e-label, on the print cartridge.
Remedy:- First of all try resetting the printer by turning it on and off. If this doesn't work remove and reinstall the cartridge or replace it. If is still doesn't work then you may have a hardware fault.
Pro 400 M401, M425 MFP Error Code:- 11 - Paper Out
Cause:- If your printer isn't out of paper, this probably means there's a problem with the paper tray or paper sensor.
Remedy:- Make sure your printer is on a completely flat surface. Check the paper trays for any damage and clean away any toner build up. If not resolved, check the paper sensor or clean the opto-sensor.
Pro 400 M401, M425 MFP Error Code:- 12 - Open or No EP
Cause:- If you printer does have toner cartridges installed correctly, this means either a cover is open or you may have defective cooling fans or PS5 sensors.
Remedy:- Check the all toners are installed correctly and that all covers are closed properly. If the problem persists you may have a hardware problem.
Pro 400 M401, M425 MFP Error Code:- 13 - Paper Jam
Cause:- Your printer has a paper jam. Paper jams can occur at four stages: pickup, printing, fusing and exit. Modern HP Pro 400 M401, M425 MFP printers will indicate where the jam has occurred. If using thick paper, check the HP Pro 400 M401, M425 MFP paper guide for your printer.
Remedy:- Either follow the on screen guidance, if available, or methodically check for the paper jam in the customer accessible areas of the printer. Don't attempt to use hard implements to remove paper at the risk of damage to the printer and yourself. If the problem persists you may have a hardware failure.
Pro 400 M401, M425 MFP Error Code:- 14 - No EP Cartridge
Cause:- Your printer either doesn't have a toner cartridge installed or doesn't recognise one that is.
Remedy:- Removing and reinstalling the toner cartridge normally resolves the problem.
Pro 400 M401, M425 MFP Error Code:- 16 - Toner Low
Cause:- This normally means that your toner cartridge is either low on toner or empty. However it may mean that the remaining printer toner isn't distributed evenly.
Remedy:- Try removing the toner cartridge and gently shaking it to evenly distribute the remaining toner. Once depleted, replace the cartridge.
Pro 400 M401, M425 MFP Error Code:- 20 - Memory Overflow
Cause:- Your print job exceeds the current memory capacity of the printer.
Remedy:- You need to reduce the size of your print job. You can try reducing the DPI or unticking the collate option in the printer driver. You can also try making the document or image more simple. Alternatively you can install additional memory if available.
Pro 400 M401, M425 MFP Error Code:- 21 - Print Overrun
Cause:- Your print job exceeds the current memory capacity of the printer.
Remedy:- You need to reduce the size of your print job. You can try reducing the DPI or unticking the collate option in the printer driver. You can also try making the document or image more simple. Alternatively you can install additional memory of available.
Pro 400 M401, M425 MFP Error Code:- 22 - I/O Configuration
Cause:- There's a communication problem between the printer and the computer.
Remedy:- Where possible, try connecting to a different port on the computer. Try another cable and make sure the computer is turned on and the cable is fully inserted at both ends. If this doesn't help there may be a hardware issue.
Pro 400 M401, M425 MFP Error Code:- 24 - Job Memory Full
Cause:- Too many print jobs have been sent to the printer, or the job is too complex for the printer memory to process.
Remedy:- You need to reduce the size of your print job. You can try reducing the DPI or unticking the collate option in the printer driver. You can also try making the document or image more simple. Alternatively you can install additional memory if available.
Pro 400 M401, M425 MFP Error Code:- 25 - XXX Memory Full
Cause:- Too many print jobs have been sent to the printer, or job is too complex for the printer memory to process.
Remedy:- You need to reduce the size of your print job. You can try reducing the DPI or unticking the collate option in the printer driver. You can also try making the document or image more simple. Alternatively you can install additional memory if available.
Pro 400 M401, M425 MFP Error Code:- 30 - PS Error 16
Cause:- This is commonly associated with PostScript firmware errors. It may also be triggered by PCL files being sent while the print is in PS mode or a bad PostScript file.
Remedy:- Reseat the PostScript SIMM or replace it. Try printing an alternative PostScript file to rule out a bad file.
Pro 400 M401, M425 MFP Error Code:- 30.1.1 - Disk Failure
Cause:- Your printer's hard disk drive has crashed.
Remedy:- You can normally resolve this by pressing the SELECT button. If it persists you may have a hardware problem.
Pro 400 M401, M425 MFP Error Code:- 40 - Data Transfer Error
Cause:- The connection between the computer and printer has been broken.
Remedy:- Check/replace all cables as required. Ensure that any EIO boards are seated properly. If networked, check to ensure the IP settings in the printer and driver haven't changed and match. You can sometimes press SELECT to continue printing however print data may be lost; simply reprint the missing pages.
Pro 400 M401, M425 MFP Error Code:- 41 - Temporary Print Engine Error
Cause:- The printer has experienced a temporary printer engine error, which can normally be easily resolved.
Remedy:- Turn the printer off at the machine, then the mains and leave for 30 seconds. Turn back on and resend the print job if necessary.
Pro 400 M401, M425 MFP Error Code:- 49 - Printer Error or Communication Error
Cause:- There can be a few causes of this error depending on the model, which tend to be associated with firmware errors, cable problems or hardware issues.
Remedy:- First try turning the print off and on again. If the problem persists try updating the firmware and replacing the printer communication cables or reseating memory modules. If unresolved then it is most likely a hardware problem.
Pro 400 M401, M425 MFP Error Code:- 50.x - Fuser Error
Cause:- The printer fuser is faulty or the supporting circuits or power are at fault. The additional 50.x number indicates:
  • 50.1 Low temperature. Fuser is failing to warm up.
  • 50.2 Warm up failure. The warm-up period timed out. This could be a power supply or firmware issue.
  • 50.3 High temperature. The main thermistor is too hot. Likely to be a control circuit issue.
  • 50.4 Faulty fuser (or Bad AC line voltage). Moderately likely to be bad mains supply (UPS, generator, extensions)
  • 50.5 Inconsistent fuser or Wrong type fuser installed. The printer has detected the wrong fuser.
  • 50.6 Open fuser. Fuser heater cut-off. The fuser possibly overheated.
  • 50.7 Fuser pressure release mechanism failure. Fuser drive motor or the pressure release doesn't work
  • 50.8 Lower fuser temperature (sub-thermistor). Secondary thermistor detects a fault
  • 50.9 High fuser temperature (sub-thermistor).
Remedy:- These faults typically needed assistance from an experienced HP engineer call 01293 537827 for help!.
Pro 400 M401, M425 MFP Error Code:- 51 - Beam Detect Error
Cause:- On older model this normally indicates the tab on the bottom of the cartridge that opens the laser shutter is missing/snapped off. On new models it can be a problem with the whole laser scanner unit.
Remedy:- If it's an older printer then check to see if the tab is missing and if so replace the toner cartridge. New models may need the laser scanner assembly replacing call 01293 537827 for help!.
Pro 400 M401, M425 MFP Error Code:- 52 - Incorrect Scanner Speed Error
Cause:- The printer uses a polygon mirror to reflect the laser beam across the imaging unit. This error code and HP Pro 400 M401, M425 MFP error codes 52.1 and 52.2 indicate a problem with this process.
Remedy:- These faults typically needed assistance from an experienced HP engineer call 01293 537827 for help!.
Pro 400 M401, M425 MFP Error Code:- 54 - Printer Error Cycle Power
Cause:- There are many causes for this error code. On some models it means the sealing tape hasn't been removed from the toner cartridge, which is easily resolved.
Remedy:- Check whether tape has been left on the printer cartridges and remove it, if not then this error code typically requires assistant from a HP engineer call 01293 537827 for help!.
Pro 400 M401, M425 MFP Error Code:- 55 - Internal Communication Problem / Controller Error
Cause:- Most likely a poor connection between the DC controller and the formatter. Either or both may have a fault, although this can sometimes be attributed to a faulty fusers, laser assemblies, firmware DIMMS or driver problems.
Remedy:- These faults typically needed assistance from an experienced HP engineer call 01293 537827 for help!.
Pro 400 M401, M425 MFP Error Code:- 56 - Printer Device Error
Cause:- This error message can relate to a number of different issues depending upon the model.
Remedy:- Try one or more of the following, depending upon your HP printer:
  1. Make sure all paper trays are correctly installed
  2. Reinstall the stacker or staple/stacker
  3. You may be trying to incorrectly print transparencies through the duplex unit
  4. You may be trying to print envelopes whilst in duplex mode
  5. Check the printer's configuration to ensure it is correct
  6. Turn the print off for 30 seconds and turn on again
Pro 400 M401, M425 MFP Error Code:- 57.xx - Fan Failure / Gears Seized / Memory Card Error
Cause:- On modern HP Pro 400 M401, M425 MFP printers this code indicates a failure of one or more fans, on older machines gears seized or memory problems.
Remedy:- These faults typically needed assistance from an experienced HP engineer.
Pro 400 M401, M425 MFP Error Code:- 58.xx Error
Cause:- There are many causes for this error code, depending upon the model it can mean: environmental sensor error, memory controller problem, fan problem, power problem or DC controller fault.
Remedy:- These faults typically needed assistance from an experienced HP engineer.
Pro 400 M401, M425 MFP Error Code:- 59 - Motor Error
Cause:- The printer has a motor error, possibly relating to the main motor, fuser motor, image drum motor or ETC motor. On older models HP Pro 400 M401, M425 MFP error code 59 relates to memory problems.
Remedy:- f you have an older model then reseating or changing the memory may resolve the issue. All new models typically require assistance from an experienced HP engineer.
Pro 400 M401, M425 MFP Error Code:- 60.xx -
Cause:- On new printers this relates to a motorised tray lift error. On older models HP Pro 400 M401, M425 MFP error code 60 relates to memory problems.
Remedy:- If you have an older model then reseating or changing the memory may resolve the issue. All new models with tray lift problems can often be resolved by checking for obstructions such as paperclips or other objects.
Pro 400 M401, M425 MFP Error Code:- 61 - Formatter , Memory Error
Cause:- Your printer either has improperly fitted or bad memory SIMMs or a defective formatter board.
Remedy:- Try simply reseating the memory chips. If this doesn't work and replacing the chips still doesn't resolve the problem then you may have to replace the formatter board.
Pro 400 M401, M425 MFP Error Code:- 62 - Memory Error, Defective Formatter Board
Cause:- Your printer either has improperly fitted or bad memory SIMMs or a defective formatter board.
Remedy:- Try simply reseating the memory chips. If this doesn't work and replacing the chips still doesn't resolve the problem then you may have to replace the formatter board.
Pro 400 M401, M425 MFP Error Code:- 63 - Defective Formatter Board
Cause:- Your printer either has improperly fitted or bad memory Simms or a defective formatter board.
Remedy:- Try simply reseating the memory chips. If this doesn't work and replacing the chips still doesn't resolve the problem then you may have to replace the formatter board.
Pro 400 M401, M425 MFP Error Code:- 64 - Scan Buffer Error
Cause:- Depending up your model this can be a number of different things including: defective D.C. controller, improperly fitted or bad firmware DIMMs or defective formatter board.
Remedy:- Turn the printer off at the machine, then the mains and leave for 30 seconds. If the error code still shows, try reseating the DIMMs and formatter board. If this doesn't solve the problem then replace the DIMMs and then the formatter board.
Pro 400 M401, M425 MFP Error Code:- 65 - Scan Buffer Error
Cause:- Depending up your model this can be a number of different things including: defective D.C. controller, improperly fitted or bad firmware dimms or defective formatter board.
Remedy:- Turn the printer off at the machine, then the mains and leave for 30 seconds. If the error code still shows, try reseating the dimms and formatter board. If this doesn't solve the problem then replace the dimms and then the formatter board.
Pro 400 M401, M425 MFP Error Code:- 66 - External Paper Handling Device Error
Cause:- This fault means there's a problem with one or more additional paper or envelope trays or finishing units, such as a staple finisher.
Remedy:- Turn the printer off, checking the connections between all the accessories and that they move freely, where applicable. If this doesn't resolve the problem you may have sensor or board problems that require that attention of an engineer.
Pro 400 M401, M425 MFP Error Code:- 67 - Service Printer Error or Memory Error
Cause:- Depending up your model this can be a number of different things including: a temporary error, defective paper guide, a break in communication, controller board error or defective SIMMs.
Remedy:- Turn off your printer and check that the paper trays are inserted correctly and aren't damage. Check whether the I/O printer cable is installed correctly and not damaged, perhaps try using a different cable to test. Reseat any SIMMs or replace if necessary. If a controller board needs replacing you may need an engineer.
Pro 400 M401, M425 MFP Error Code:- 68 - Error in NVRAM. Service Error NVRAM full
Cause:- The NVRAM is full, meaning some actions can't be processed.
Remedy:- Try resetting the NVRAM. First of all print out a configuration page, you'll need this to re-enter any details. Now reset by holding down "Reset" or "Cancel Job" for 20 seconds while powered on. Print off a second configuration page and re-enter any details that are missing. If this doesn't resolve the problem you may need a new formatter board.
Pro 400 M401, M425 MFP Error Code:- 69 - Duplexer Error has Occurred
Cause:- The printer has a problem with duplex unit, this is the unit that enables the printer to print double-sided.
Remedy:- Check the duplex unit and reseat and clear any obstructions that may be causing the error. If the error persists you may need a new duplex unit.
Pro 400 M401, M425 MFP Error Code:- 70 - Faulty MIO Card or SIMMs or Wrong Cartridge
Cause:- Either the SIMM or cartridge installed is incompatible with the printer or the MIO card is faulty (older models).
Remedy:- Check the SIMMs or cartridge to ensure they are intended for your machine. Faulty MIO problems are very rare.
Pro 400 M401, M425 MFP Error Code:- 71 - Faulty MIO Card or SIMMs or Wrong Cartridge
Cause:- Either the SIMM or cartridge installed is incompatible with the printer or the MIO card is faulty (older models).
Remedy:- Check the SIMMs or cartridge to ensure they are intended for your machine. Faulty MIO problems are very rare.
Pro 400 M401, M425 MFP Error Code:- 72 - Defective Font Cartridge or Formatter Board
Cause:- Either the font cartridge is defective, or was removed during access, or the formatter board is defective.
Remedy:- Turn the printer off and on and see if this resolves the problem. Check the font cartridge is installed correctly. Replace the font cartridge, if unresolved the formatter board may need replacing.
Pro 400 M401, M425 MFP Error Code:- 79 - Critical Hardware Error has Occurred
Cause:- Your printer has a defective accessories of some kind, possibly related to memory, I/O cards or a firmware issue.
Remedy:- Update to the latest firmware to rule out this issue. If unresolved, remove all cards/accessories and replace one by one to identify what is at fault.
Pro 400 M401, M425 MFP Error Code:- 80 - Defective Network Card or Formatter Board
Cause:- Your printer has a defective accessory of some kind, possibly related to memory, I/O cards or a firmware issue.
Remedy:- Updated to the latest firmware to rule out this issue. If unresolved, remove all cards/accessories and replace one my one to identify what is at fault. If unresolved the formatter board may need replacing.
HP Pro 400 M401, M425 MFP Error Code:- 81 - Defective Network Card or Formatter Board
Cause:- Your printer has a defective accessory of some kind, possibly related to memory, I/O cards or a firmware issue.
Remedy:- Updated to the latest firmware to rule out this issue. If unresolved, remove all cards/accessories and replace one my one to identify what is at fault. If unresolved the formatter board may need replacing.
Pro 400 M401, M425 MFP Error Code:- 89 - PostScript ROM Failure
Cause:- Your PS ROM may be improperly located or have damaged pins, or may be defective.
Remedy:- Firstly turn the printer off and on to see if this resolves the problem. If not then check the PS ROM for any damage and reseat. If the problem remains then you may need to replace the PS ROM.
Pro 400 M401, M425 MFP Error Code:- 99 - Firmware Upgrade
Cause:- There has been a flash firmware failure.
Remedy:- You need to either update to the latest flash firmware or replace the flash firmware DIMM.

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