NMB MinebeaMitsumi Polygon Mirror Scanner Motors Review: Specs, Price and Applications
Updated: 4 days ago

NMB/MinebeaMitsumi polygon mirror motors rotate a faceted mirror to scan a laser beam, as used in digital copiers and related imaging equipment. They are specialized optical scanning assemblies rather than ordinary positioning servos. The original NF/EF listing and the current detailed NF page describe different documented limits, so configuration and document revision matter.
Quick Verdict
Consider the family for an engineered optical scanner requiring stable high-speed rotation and low vibration. The current NF detail page is the stronger selection reference for NF electrical and speed limits. Motor speed alone cannot determine the completed scanner’s resolution or usable image area.
NMB MinebeaMitsumi Polygon Mirror Scanner Motors at a Glance
Specification | Details |
Architecture | Three-phase brushless NF motor with integrated driver |
NF control | PLL regulation from an external clock; specified rotation direction |
Current NF electrical table | 21.6–26.4 VDC; 24 V nominal; maximum current 0.7 A |
Current NF speed table | 18,000–52,000 rpm; confirm actual custom assembly |
Current NF table metrics | Maximum jitter 0.015%; pyramidal error 120 arc-sec; starting time 2 s |
Original listing | NF 50,000 rpm / EF 42,000 rpm at 24 V; not a replacement detailed NF specification |
Ordering scope | Manufacturer describes customer-specific assemblies and order quantities |
Price | Request a quote for mirror, motor, electronics and optical requirements |
Design and Engineering Assessment
A polygon with more facets can produce more scan events per mechanical revolution, but the useful line rate also depends on blanking, clocking and optics. Neither 52,000 rpm nor a facet count independently establishes image resolution or photoreceptor throughput.
The cited jitter and pyramidal error are different error mechanisms. Speed/phase stability affects scan timing, while facet geometry affects the optical path. Define the actual image-position and timing budget rather than treating all error as one motor-speed tolerance.
The integrated driver and external PLL clock interface are part of the scanner design. Verify reference frequency, signal levels, direction, startup behavior and fault handling for the exact delivered assembly. Do not apply NF detail figures to EF by association.
Optical and Mechanical Integration
Specify mirror diameter, facet count, beam footprint and the optical enclosure. Include contamination control, mounting distortion and heat dissipation in the scan-quality assessment.
Manage the high-speed rotating assembly and laser system according to their actual design requirements. A low-vibration bearing description is not evidence that a complete optical machine meets every mechanical or laser requirement.
Acceptance at the Image Plane
Measure timing stability, line placement and image quality after warm-up using the intended clock, optics and photoreceptor or target. Verify startup and restart behavior at the real operating speed.
Retain the exact scanner drawing and electrical interface. An NF or EF family label alone does not identify a mechanically and optically interchangeable replacement.
Applications and Selection
OEM copier and optical-writing scanner assemblies with defined clock, mirror and image-plane requirements.
For NMB MinebeaMitsumi Polygon Mirror Scanner Motors, define the actual machine duty before selecting an ordering configuration. Include the required operating point, available installation space, environment and control interfaces. The specification table describes the product or family; the surrounding machine determines which of those features matters for the intended job.
Price and Value
Request a quote for the complete custom scanner, including mirror geometry, driver/interface and inspection requirements. Confirm order quantity and delivery scope with the manufacturer.
Compare assemblies by usable scan quality and integration cost at the image plane. A higher rpm headline does not alone establish more useful throughput or a lower optical-system cost.
Pros and Cons
Advantages
Integrated specialized scanning motor/driver architecture
High-speed low-jitter NF data documented
Customer-specific optical/mechanical configurations
Limitations
Scan quality depends on optics as well as rotation
NF and EF limits must remain separate
Custom interfaces and order scope require supplier confirmation
Who Should Consider NMB MinebeaMitsumi Polygon Mirror Scanner Motors?
Consider NMB MinebeaMitsumi Polygon Mirror Scanner Motors for oEM copier and optical-writing scanner assemblies with defined clock, mirror and image-plane requirements. Establish the required operating point and installation interfaces before choosing the configuration, and use a representative loaded cycle as the acceptance basis.
NMB MinebeaMitsumi Polygon Mirror Scanner Motors FAQ
Is this a general positioning servo?
It is a specialized high-speed polygon-mirror scanning motor assembly.
Why do NF speed figures differ between pages?
The older summary lists 50,000 rpm; the current detailed NF table lists up to 52,000 rpm. Confirm the actual assembly and revision.
Can EF use NF electrical specifications?
No. Obtain EF-specific configuration documentation.
Does rpm equal scan-line rate?
No. Facet count, blanking, clocking and optics also affect the usable rate.
What controls NF speed?
The documented NF architecture uses PLL regulation from an external clock.
Is jitter the same as pyramidal error?
No. Timing stability and facet-related optical error are different quantities.
What should acceptance measure?
Warm scan timing, line placement, image quality and startup/restart behavior in the actual optics.
What is required to order a replacement?
The exact scanner drawing, mirror/optical configuration and electrical interface.
Prices are indicative and may change. Confirm the final configuration, commercial terms and delivery schedule before ordering.





