Printer Genie
HP M452 M477 M479 Simplex Fuser Unit RM2-6436 — 90-Day Warranty & GenieCare™
HP M452 M477 M479 Simplex Fuser Unit RM2-6436 — 90-Day Warranty & GenieCare™
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Refurbished
UK refurbishment specialistRebuilt and warrantedGenieCare™ support — 30 days, then with toner orders
HP Colour LaserJet Simplex Fuser Unit — RM2-6436
Refurbished HP Simplex Fuser — Direct Fit, Warranted and SupportedDirect-fit 220V simplex fuser unit, fully stripped down and rebuilt by Printer Genie, backed by a 90-day warranty and GenieCare™ Expert Support.
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Availability & Lead Time
Ready to Ship while current stock lasts — order by 2pm for same-day despatch. Once stock is gone it moves to Refurb to Order, rebuilt specifically for your order and despatched in approximately 5–8 working days.
Why Buy This Fuser from Printer Genie?
| 90-day Printer Genie warrantyCovers component failure under normal use. Full terms in our Terms & Conditions. | GenieCare™ support — 30 days, then with toner orders30 days installation guidance, fuser counter reset help, and fault diagnosis support from real printer specialists, by email. |
| Professionally refurbished by Printer GenieEvery unit is fully stripped down and rebuilt with new components as standard before despatch. | Help if the fault is not the fuserIf the supplied fuser does not fully resolve your printer issue, we will help diagnose the remaining fault and recommend the next steps. |
Is This the Right Fuser Unit?
| You are seeing smudging or toner rub-offToner that wipes off the page or smears when touched is the classic sign of a failing fuser. The fuser bonds toner to paper using heat — when it fails, toner never properly fuses. | Your printer is showing a fuser error or warningA 50.x fuser error or a “Replace Fuser” message indicates the fuser has reached end of life or has failed. Replacing the fuser unit and resetting the counter will clear these warnings. |
| You are seeing ghosting or repeated imagesA faint repeated shadow of previously printed content appearing lower on the page (ghosting) often points to a worn fuser roller or fuser film. A new fuser unit resolves this in most cases. | Proactive maintenance or high page countIf your machine is well used or your maintenance schedule includes the fuser, replacing it now avoids print quality issues and unplanned downtime. Good practice on heavy-use machines. |
| Paper curling or wrinkling after printingIf pages are coming out curled, wrinkled, or wavy, the fuser is applying uneven heat or pressure. This is a mechanical sign of fuser wear. | Not sure? Ask us firstIf you are unsure whether the fuser is the right part, contact us before ordering. We would rather help you buy the right part than the wrong one — and confirm whether your model takes the simplex or duplex unit. |
Specifications
| Component | Fuser unit (complete assembly), simplex |
| Primary OEM part number | RM2-6436 |
| Alternative part numbers | RM2-6436-000CN |
| Condition | Refurbished — fully stripped down and rebuilt with new components as standard by Printer Genie |
| Voltage | 220-240V (UK) |
| Fitment | Simplex (single-sided) models only — not interchangeable with the duplex fuser |
| Availability | Ready to Ship while stock lasts, then Refurb to Order (approx 5–8 working days) |
| Fuser counter reset required | May be required depending on model — our GenieCare™ team can guide you through it |
| Weight & delivery | Despatched from our UK warehouse — courier delivery, tracked |
Compatible Printers
This is the simplex fuser — it fits the single-sided HP Colour LaserJet models below (model ends in n, nw or fnw, with no “d”). If your model prints both sides automatically, you need the duplex fuser instead. If your model is not listed, contact us before ordering.
| Model | Fits |
| M452nw | RM2-6436 |
| M477fnw | RM2-6436 |
| M479fnw | RM2-6436 |
The RM2-6436 simplex fuser is the same part across these models. Not sure if yours is simplex or duplex? Email us your exact model number.
What's Included
- 1 × HP simplex fuser unit (RM2-6436)
- Written, step-by-step fitting support by email (GenieCare™)
- 90-day Printer Genie warranty — covers component failure under normal use
- 30 days GenieCare™ Expert Support — installation guidance included from date of purchase
- GenieCare™ Expert Support continues when you order toner from us
Installation Notes
Important — fuser units get very hot during normal operation. Always power off the printer and allow the fuser to cool fully before handling. Do not touch the fuser roller surface.
- Power off the printer and disconnect from the mains. Allow at least 30 minutes to cool.
- Open the rear access panel or fuser access door.
- Release the fuser locking levers (usually blue or green tabs).
- Slide the old fuser unit out carefully — dispose of responsibly.
- Insert the new fuser unit and engage the locking levers until they click.
- Close the rear panel, reconnect power, and power on.
- Reset the fuser/maintenance counter via the service menu if your model prompts for it.
If you need help at any step, contact us via GenieCare™ Expert Support, by email — installation guidance is included for 30 days from purchase, and continues when you order toner from us.
Warranty & Support
90-day Printer Genie warranty — covers component failure under normal use. Does not cover incorrect installation, physical damage, electrical damage, misuse, abnormal wear, or faults elsewhere in the printer. Full terms in our Terms & Conditions.
30 days GenieCare™ Expert Support included free — installation guidance, counter reset help, and diagnosis if the fault is not fully resolved, by email. Order your HP colour toner from Printer Genie after fitting and support continues automatically — no subscription, no sign-up.
GenieCare™ Expert Support is separate from and in addition to the warranty — it covers remote diagnosis and advice, not on-site repair.
GenieCare™ Expert Support — Included for 30 Days, Then With Every Toner Order
Frequently Asked Questions
