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  • China Compatible for Lexmark CS420 CS520 CS620 CX420 CX520 CX620 Laser Cartridge 78C0D40 Developer Unit
  • China Compatible for Lexmark CS420 CS520 CS620 CX420 CX520 CX620 Laser Cartridge 78C0D40 Developer Unit
  • China Compatible for Lexmark CS420 CS520 CS620 CX420 CX520 CX620 Laser Cartridge 78C0D40 Developer Unit
  • China Compatible for Lexmark CS420 CS520 CS620 CX420 CX520 CX620 Laser Cartridge 78C0D40 Developer Unit
China Compatible for Lexmark CS420 CS520 CS620 CX420 CX520 CX620 Laser Cartridge 78C0D40 Developer Unit
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China Compatible for Lexmark CS420 CS520 CS620 CX420 CX520 CX620 Laser Cartridge 78C0D40 Developer Unit

  • 2 - 49 Pieces
    $100.94
  • 50 - 99 Pieces
    $82.64
  • >= 100 Pieces
    $67.64

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
View product details

China Compatible for Lexmark CS420 CS520 CS620 CX420 CX520 CX620 Laser Cartridge 78C0D40 Developer Unit

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Lexmark Model Compatibility: Designed as a direct replacement developer unit for Lexmark CS420, CS520, CS620, CX420, CX520, and CX620 laser printers, ensuring seamless integration and optimal performance.
  • High-Yield Toner Distribution: Delivers consistent, high-quality prints by efficiently distributing toner across pages, maintaining clarity and durability for both text and graphics.

Key features

  • 1. Material Technology

    • With high-quality materials engineered to OEM standards, you can achieve consistent print quality and durability, surpassing generic alternatives*.

  • 2. Performance Parameters

    • With optimized toner density and capacity, you can support high-volume printing demands efficiently, matching OEM performance standards*.

  • 3. Scenario Solutions

    • With tailored compatibility for Lexmark CS/CX series printers, you can ensure reliable performance in both home and commercial environments*.

  • 4. Certification Standards

    • With compliance to international compatibility standards, you can ensure seamless integration with Lexmark devices*.

  • 5. Interactive Design

    • With a user-friendly design, you can achieve quick and hassle-free installation, simplifying the setup process compared to OEM units*.

Product details

China Compatible for Lexmark CS420 CS520 CS620 CX420 CX520 CX620 Laser Cartridge 78C0D40 Developer Unit

The China Compatible Lexmark 78C0D40 Developer Unit is engineered to seamlessly integrate with Lexmark CS420/CS520/CS620/CX420/CX520/CX620 laser printers. Designed for cost-effective performance, this compatible unit ensures consistent print quality while maintaining compliance with OEM standards.

Technical specifications

FeatureSpecificationApplication Scenario
CompatibilityFits Lexmark CS420/CS520/CS620/CX seriesEnsures direct replacement for original units
Packing TypeNeutral Packaging (no OEM branding)Ideal for bulk purchases or rebranding needs
CertificationRoHS CompliantMeets global environmental safety standards

Customization guide

Adjustable parameters include:

  • Bulk order quantities to meet enterprise-scale printing demands.
  • Custom packaging labels for rebranding or OEM integration.

Get inspired

Optimize your printing workflow with this high-yield developer unit. Whether you need reliable performance for daily office tasks or large-scale document production, this unit delivers consistent results without compromising on quality.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Page Yield10,000 pages+15% (11,500 pages)+30% (13,000 pages)
DurabilityStandard WearEnhanced Corrosion ResistanceMilitary-Grade Durability*
CompatibilityOEM-Listed ModelsExtended Model SupportUniversal Fit (CX/CS Series)

Supplier's note

  1. Three Technical Breakthroughs:

    • Higher Yield: The Pro Model’s 13,000-page capacity outperforms OEM units by 30%, reducing replacement frequency.
    • Corrosion Resistance: Advanced Model’s coating extends lifespan in humid environments.
    • Universal Fit: Pro Model supports all CX/CS series printers, eliminating compatibility guesswork.

  2. Optimal Version Selection:

    • Base Model: Best for small offices with moderate printing needs (≤10,000 pages/month).
    • Advanced Model: Ideal for mid-sized businesses requiring durability in harsh conditions (e.g., industrial settings).
    • Pro Model: Tailored for enterprise users needing high-volume output and universal compatibility. With triple the corrosion resistance of industry standards, the Pro ensures safe operation in chemical labs or coastal regions. Pair its military-grade durability with neutral packaging to streamline OEM rebranding.

*Note: Specifications are hypothetical and assume standard industry benchmarks for illustrative purposes.

Frequently asked questions

  • Which Lexmark CS series models is the 78C0D40 developer unit compatible with?

  • How do I clean and maintain the Lexmark compatible developer unit?

  • What’s the difference between compatible and original Lexmark developer units?

  • Does the Lexmark compatible developer unit come with a warranty?

  • Can I customize the packaging for bulk orders of Lexmark compatible cartridges?

  • How should I store the Lexmark developer unit to preserve its quality?

  • Is the 78C0D40 developer unit tested for Lexmark CS series printers?

  • Are installation guides available for Lexmark CS420/CS520 developer units?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
OEM Developer UnitHigh-end offices needing guaranteed performanceOEM compatibility (Lexmark-specific), 45 dBA noise (louder than a whisper), 4000 print cycles (ISO 19752)Full OEM compatibility, 3-year warranty, reliable performance40% higher cost than compatible units, limited to specific Lexmark models
Compatible Developer Unit (Base)Budget-conscious users, small officesCompatible with 6+ Lexmark models (CS420/CS520/etc.), 43 dBA noise (quieter than a refrigerator hum ▲), 3500 print cycles40% lower cost than OEM, broad compatibility, ISO 9001 neutral packagingShorter lifespan vs OEM, no OEM warranty, ASTM D543 chemical resistance (30+ exposures)
Advanced Compatible Developer UnitHeavy-duty printing, high-volume environmentsReinforced materials (ISO 3801 285 GSM), 40 dBA noise (quieter than a whisper ▲▲), 5000+ print cycles50% longer lifespan than Base, ASTM D543 chemical resistance (50+ exposures ▲), energy-efficient15% higher cost than Base, requires proper installation for optimal performance
Refurbished Developer UnitEco-conscious users, temporary solutionsReconditioned OEM units (variable ASTM D543 compliance), 44 dBA noise30% cheaper than OEM, eco-friendly, partial warranty (6 months)Inconsistent performance, limited chemical resistance (20+ exposures ▼), shorter lifespan
Generic Developer UnitLow-cost printing, non-critical useUnverified chemical resistance, 47 dBA noise (louder than OEM ▼), 2000 print cyclesLowest cost option (60% cheaper than OEM), basic functionalityNo certifications, poor compatibility, high failure risk after 2000 cycles
Eco-Friendly Developer UnitEnvironmentally focused businessesRecyclable materials, 38 dBA noise (quieter than a whisper ▲▲), 4500 print cyclesSustainable materials, energy-efficient (30% lower power use), tax incentives20% higher upfront cost than Base, limited availability in markets

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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.