The Fuji Xerox 2nd BTR Assembly Unit 604K85771 / 059K68393 is a genuine OEM secondary bias transfer roller assembly designed to ensure precise toner transfer from the imaging drum to the paper, delivering sharp, consistent, and professional print output in compatible Fuji Xerox production printers.
The 2nd BTR (Secondary Bias Transfer Roller) Assembly Unit plays a critical role in the printing process by stabilizing toner transfer during high-volume and high-resolution printing. This unit ensures that toner is accurately and evenly transferred onto the media, reducing print defects such as smudging, fading, or uneven density.
Engineered under Fuji Xerox OEM standards, part numbers 604K85771 and 059K68393 refer to the same or revised assembly used in multiple DocuCentre and ApeosPort series devices.
Key Benefits of 2nd BTR Assembly Unit 604K85771
1. Consistent High-Quality Output
- Ensures uniform toner transfer
- Prevents streaks, blotches, and faded prints
- Maintains professional print clarity
2. OEM Reliability & Durability
- Genuine Fuji Xerox manufacturing quality
- Designed for long operational life
- Stable performance under heavy workloads
3. Reduced Printing Defects
- Minimizes paper transfer errors
- Reduces image distortion and ghosting
- Enhances color accuracy and sharpness
4. Optimized for High-Volume Printing
- Suitable for enterprise and production environments
- Supports continuous printing cycles
- Improves machine efficiency and uptime
Features of Fuji Xerox Secondary Bias Transfer Roller Assembly
- Genuine OEM part: 604K85771 / 059K68393
- Designed for secondary transfer stage (2nd BTR system)
- High-precision electrostatic transfer control
- Engineered for Fuji Xerox production printers
- Heat and pressure resistant construction
- Stable performance under continuous load
Technical Specifications
| Specification | Details |
| Product Name | 2nd BTR Assembly Unit |
| Part Numbers | 604K85771 / 059K68393 |
| Product Type | Secondary Bias Transfer Roller Assembly |
| Brand | Fuji Xerox (OEM Genuine) |
| Function | Toner transfer from drum to paper |
| Condition | New / Genuine OEM |
| Compatibility | DocuCentre & ApeosPort Series (varies by model) |
| Usage | High-volume printing environments |
Suitable Printer Models
The Fuji Xerox 2nd BTR Assembly Unit (604K85771 / 059K68393) is fully compatible with a wide range of Fuji Xerox production and enterprise multifunction printers,including DocuCentre, ApeosPort, and DocuColor series.
This ensures stable toner transfer performance and consistent print quality across multiple high-volume printing environments.
Fuji Xerox DocuCentre Series
- Fuji Xerox DocuCentre C5065
- Fuji Xerox DocuCentre V C5580
- Fuji Xerox DocuCentre V C5585
- Fuji Xerox DocuCentre V C6680
- Fuji Xerox DocuCentre V C6685
Fuji Xerox ApeosPort Series
- Fuji Xerox ApeosPort IV C5580
- Fuji Xerox ApeosPort IV C6680
- Fuji Xerox ApeosPort IV C7780
- Fuji Xerox ApeosPort V C5580
- Fuji Xerox ApeosPort V C6680
- Fuji Xerox ApeosPort V C6685
- Fuji Xerox ApeosPort V C7780
- Fuji Xerox ApeosPort V C7785
Fuji Xerox DocuColor Series
- Fuji Xerox DocuColor 5065
Use Cases and Applications
Office Printing Environments
Ideal for corporate offices requiring stable, high-quality document output.
Print Service Providers
Supports commercial printing operations where consistency is critical.
High-Volume Workflows
Perfect for departments handling bulk printing, reports, and transactional documents.
Enterprise Document Systems
Ensures reliability in enterprise-level multifunction printer systems.
Why Choose Genuine Fuji Xerox 2nd BTR Assembly Unit?
Using a genuine 604K85771 / 059K68393 Secondary Bias Transfer Roller Assembly ensures:
- Maximum printer lifespan
- Reduced maintenance downtime
- Factory-level print quality
- Lower risk of internal printer damage
- Stable long-term performance
Specifications Summary (Quick View)
- OEM Part Number: 604K85771 / 059K68393
- Product Type: 2nd BTR Assembly Unit
- Function: Secondary toner transfer
- Brand: Fuji Xerox
- Quality: Genuine OEM
- Application: Enterprise printing systems
- Output Quality: High-resolution, stable transfer
Frequently Asked Questions
What is the Fuji Xerox 2nd BTR Assembly Unit used for?
It is used to transfer toner from the imaging drum onto paper using electrostatic force, ensuring accurate and high-quality print output.
Are 604K85771 and 059K68393 the same part?
Yes, both part numbers refer to the same or updated versions of the Fuji Xerox 2nd BTR Assembly Unit depending on production revision.
What happens if the 2nd BTR unit is damaged?
You may experience print defects such as streaks, faded prints, uneven density, or toner transfer issues.
Is this a genuine OEM Fuji Xerox part?
Yes, this product is a genuine OEM replacement part designed to meet Fuji Xerox factory standards.
Which printers are compatible with this unit?
It is mainly used in Fuji Xerox DocuCentre and ApeosPort series printers. Exact compatibility depends on the specific model.
How long does a 2nd BTR Assembly Unit last?
Lifespan depends on print volume, but OEM units are designed for long-term performance in high-volume environments.
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