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Toshiba TEC CB-426-T1 Near-Edge Thermal Printhead 305 DPI FMBC0044605
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Factory-original 305 DPI high-resolution near-edge thermal printhead for Toshiba TEC CB-426-T1 industrial print engines. Delivers high-speed automated application of dense 2D DataMatrix symbologies and regulatory marks. Direct OEM replacement spare.
OEM Replacement Component
Toshiba TEC CB-426-T1 Series 4-Inch Thermal Printhead (305 DPI / 306 DPI)
OEM Part Number: FMBC0044605 (Service Assembly: 7FM01640000) | Genuine High-Speed Near-Edge Direct Thermal & Thermal Transfer Line Head
Product Overview
The Toshiba TEC FMBC0044605 (also cataloged under OEM service assembly part number 7FM01640000) is an authentic original equipment manufacturer replacement thermal printhead engineered specifically for the Toshiba TEC CB-426-T1 and legacy CB/B-400 near-edge industrial printer series. Operating on Toshiba’s proprietary Near-Edge (corner-edge) architecture, this printhead delivers high-definition 305 DPI (12.05 dots/mm nominal / 306 DPI class) resolution across an active 4.09-inch (104.0 mm) continuous printline width.
Engineered with a beveled ceramic substrate array housing 1,248 microscopic heating elements, the FMBC0044605 enables instantaneous ribbon separation immediately after thermal excitation. This specialized near-edge profile drastically minimizes ribbon drag, eliminates static accumulation across continuous web passes, and fully synchronizes with Toshiba’s mechanical ribbon-saving hardware. Mounted on a heavy-duty extruded aluminum heatsink base, this printhead maintains stable heat dissipation, uniform platen contact, and sharp edge definition for intricate barcodes, fine Asian kanji characters, and micro-text up to 8 inches per second.
Part Information
| Product Name | Toshiba TEC CB-426-T1 Thermal Printhead |
| OEM Manufacturer | Toshiba TEC Corporation |
| OEM Part Numbers | FMBC0044605 / 7FM01640000 |
| Component Classification | Original Equipment Manufacturer (OEM) Replacement Thermal Printhead |
| Head Architecture | Industrial Near-Edge (Corner-Edge) Matrix on Extruded Aluminum Heatsink Base |
| Manufacturing Standard | Toshiba TEC Factory Certified (Japan) |
Technical Specifications
| Printing Technology | Near-Edge Thermal Transfer (TT) & Direct Thermal (DT) |
| Native Resolution | 305 DPI (12.05 dots/mm nominal / 306 DPI class) |
| Dot Pitch | 0.083 mm (nominal micro-dot spacing) |
| Effective Print Width | Up to 104.0 mm (4.09 inches) |
| Total Heating Elements | 1,248 Dots (continuous near-edge linear array) |
| Maximum Rated Speed | Up to 8.0 ips (203.2 mm/sec) — media and ribbon profile dependent |
| Ribbon & Media Matching | Dedicated Near-Edge Wax/Resin & Near-Edge Resin ribbons; synthetic films (PET, PP, PE), coated paper stocks, tag stocks, and direct thermal media |
| Electrical Interface | High-density multi-pin Flexible Flat Cable (FFC) connector terminal |
| Thermal Feedback | Integrated internal precision thermistor for dynamic closed-loop CPU strobe pulse compensation |
Key Features & Operational Advantages
- High-Density 305 DPI Near-Edge Array: 1,248 individual micro-resistors render crisp vector contours, fine typography, and high-density 2D Data Matrix codes without raster stepping or heat bloom.
- Corner-Edge Ribbon Peeling: Angled substrate profile allows immediate ribbon release post-strobe, preventing ribbon burn-through, static cling, and diagonal wrinkling at elevated throughput speeds.
- Ribbon-Save Mechanism Synchronization: Certified for full mechanical compatibility with Toshiba TEC ribbon-saving modules, lifting the printhead to bypass non-printed web areas without ribbon expenditure.
- Drop-In Factory Calibration: Pre-calibrated factory resistance ratings integrate directly with CB-426-T1 driver circuitry, ensuring balanced energy distribution and uniform optical density across the printline.
CRITICAL TECHNICAL & OPERATIONAL ADVISORY
1. Mandatory ESD Precautions: Microscopic 305 DPI near-edge resistive arrays and onboard shift registers are Class 1 ESD-sensitive components. Technicians must wear a grounded ESD wrist strap and work on a static-dissipative work surface. Never touch the ceramic dot array or signal connector terminals directly.
2. Complete Power Isolation: Always power off the printer and disconnect the main AC power cord prior to servicing the head assembly. Disconnecting or seating cable harnesses while the power supply is energized will cause instantaneous gate blowout in the driver ICs and permanently destroy the head.
3. Near-Edge Architecture Verification: The CB-426-T1 utilizes a Near-Edge printhead architecture. It is NOT physically or electrically interchangeable with Flat-Head printheads (such as those for the B-SA4 or B-SV4 series). Installing a flat-head into a near-edge carriage will cause improper platen contact geometry and immediate element destruction.
4. Preventive Cleaning & Ribbon Matching: Always use dedicated Near-Edge formulated thermal transfer ribbons to prevent premature element wear. Clean the beveled printline after every ribbon roll change using a lint-free swab saturated with 99.7% electronic-grade Isopropyl Alcohol (IPA). Allow the array to dry completely before applying power. Never use metallic tools or abrasives on the glazed edge.
Compatible Models & Systems
| System Family | Native Resolution | Supported Models |
|---|---|---|
| Toshiba TEC CB-426 Series | 305 DPI (12.05 dots/mm) | CB-426-T1 (Near-Edge) |
| Toshiba TEC Legacy Near-Edge | 305 DPI (12.05 dots/mm) | B-426 / CB-416 Series (Near-Edge Chassis) |
*Model Differentiation Note: This printhead is dedicated strictly to the Near-Edge 305 DPI CB-426-T1 series. It is NOT compatible with successor B-SX4T models (Part # FMBC0048505), B-EX4T1 models (Part # FMBC0094702), or flat-head assemblies. Check the chassis model plate on the rear panel prior to unsealing the component.
Terms, Warranty & Customer Protection
Condition: 100% Brand New, Unopened Factory Original Genuine OEM Component in Factory-Sealed Anti-Static Packaging.
Warranty Scope: Protected by standard manufacturer DOA replacement coverage against electrical continuity failures and physical manufacturing defects upon initial arrival. Operating longevity is governed by media abrasiveness, ribbon formulation, operational darkness settings, and routine maintenance compliance.
Return Policy: Precision industrial electronic consumable. Due to sensitivity to electrostatic discharge and inherent operational wear characteristics, components that have been unsealed from their protective static-shielding bag, mounted, or energized on a printer cannot be returned or restocked under standard commercial terms. Please confirm your printer model and OEM part number with technical support prior to unsealing.
FMBC0044605
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