The Canon Print Head BH-4 Black is a genuine Original Equipment Manufacturer replacement component engineered for the Canon PIXMA G-Series MegaTank printers. Previously known by the part code CA91, this user-replaceable printhead module is designed to restore crisp text and deep black monochrome printing performance, extending the functional lifespan of the printer without requiring expensive service center repairs.
Advanced Thermal Inkjet Technology
The BH-4 printhead uses Canon engineering to deliver clear document formatting and sharp edges:
- Precision Nozzle Array: Features 1,280 fine nozzles designed to ensure uniform ink droplet distribution and eliminate lines or streaks.Â
- Optimized Flow Dynamics: Built to control ink delivery, which minimizes waste, lowers ink consumption, and prevents standard nozzle drying.Â
- Pigment Ink Support: Designed to process dense black pigment ink formulas to create sharp, smudge-resistant documents that resist fading over time.
High Page Yield and Cost Efficiency
This replacement printhead is built for high-volume home and small-office environments:
- Extended Duty Cycle: Rated for a high volume of document production, delivering up to approximately 7,000 pages when paired with original Canon black ink.
- Value Preservation: Replaces only the worn component, saving users from buying a new machine when the integrated nozzles degrade.
- Stable Printing Capacity: Engineered for consistent print speed and coverage from the first page until the end of its life cycLE
Simple DIY Installation Process
The BH-4 features a modular snap-in mechanism that makes maintenance accessible for any user:
- Plug and Play Setup: No software configurations or specialist tools are required to swap the component.
- Secure Housing Alignment: The physical design keys into the carriage unit, reducing mechanical placement errors.
- Printer Safety: Designed to work with the printer’s internal microprocessors to prevent electrical short-circuits and pressure issues inside the ink lines
Extensive Model Compatibility
While optimized for the G2411 and G3411, the BH-4 offers compatibility across several Canon G-Series ink-tank printers:
- Primary Compatibility: PIXMA G2411 and PIXMA G3411.
- G-Series Expansion: PIXMA G1400, G1410, G1411, G2400, G2410, G3400, G3410, G4400, and G4411.
- Regional Baseline Series: PIXMA G1000, G2000, G2002, G3000, and G4000.Â
Technical Specifications
| Feature | Detailed Specification |
|---|---|
| Component Type | OEM Replacement Print Head Module |
| Model Code | BH-4 (Formerly CA91) |
| Color Channel | Monochrome Black |
| Nozzle Count | 1,280 precision nozzles |
| Technology Type | Thermal Inkjet Technology |
| Page Yield Capacity | Up to 7,000 pages |
| Compatible Ink Type | Original Canon Pigment Black Ink GI-490 |
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