+44 (0) 1924 600 480

HP 4100 Series Maintenance Reset

How to Reset the maintenance count after replacing the maintenance kit on the hp 4100 range of laser printers.



Warning: This should be done only after replacing the maintenance kit. Which should include a new fuser and various rollers.

  • Turn the printer off
  • Hold down the value­ – and item – keys (the left side)
  • Switch the printer on
  • Release the keys when the display changes to reset maintenance count

and if that doesnt work…

The above instruction might not work on all versions of the formatter, If it fails to reset the maintenance count then you have to enter the Service menu and reset the counter from there as follows:

  • Turn the printer off
  • Turn the printer on
  • Press the select button when the memory starts to count and hold down until all three LEDs illuminate
  • Release the select button
  • Press up arrow until the message new maintenance kit is displayed on the control panel.
  • Press select, the display will read new maintenance kit and the printer will reset.

Note: For HP LaserJet models 4200, 4300 and 9000 hold down select and cancel job when powering on and hold until the 3 LEDs illuminate.

On the HP LaserJet models 4250 and 4350 you need to wait until the memory starts to count before pressing select.

Hint: The Above also works with the 4250, 4350.


Managed print services – MPS Renovotec have a complete range of managed printer services and solutions for all impact and thermal printers. With fully comprehensive packages that be financed over 3/5 years, demonstrating significant cost savings over a traditional purchase and after market support model.

Remote Print Service Using our remote printer engineer – Reg the virtual printer engineer, Renovotec can ensure maximum uptime and cost savings for your remote mobile printers.

Auto ID Services We offer a comprehensive range of service from the supply and support of new as well as legacy equipment. Even if the manufacturer has discontinued the unit or it has been rebranded. We can also supply a complete range of accessories for all makes and model of barcode scanners such as screen protectors, styluses, batteries and wrist straps.

Audit and discovery Our pre-sales engineers will undertake a full site audit to find / recommend the best printer solutions to meet your supply chain delivery requirements.

Repair We demonstrate an extremely high level of technical expertise and service for a wide range of Printer and Auto ID Products. We can repair onsite or in our workshop. We can also select and help install printers and Auto ID equipment for our customers. We can offer a fully managed Return to Base (RTB) service solution for smaller devices such as Barcode scanners, Hand Held Terminals and mobile printers.

Maintenance Renovotec offer a flexible approach to maintenance and can tailor a contract to suit your needs.

Hardware We can supply printers, printheads, print servers as well as all major brands of barcode scanner and hand held equipment… For further information on finding the right print solution for your business please use our Hardware Selector or for Auto ID enquiries contact us using the details below.

Media and ConsumablesWe fully understand the importance of ensuring that the correct media and consumable’s are used in mission critical printers to ensure perfect print quality and enhance the life of your printer asset so we provide a large range of media and consumables for all manufacturers.

In addition to supplying these items, we will also work with you to ensure you are using the correct product for quality and cost effectiveness.

For further information please Ring +44(0)1924 600 480 or email us.
For further contact details please Click Here