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Zebra GT800 / GT820 203 DPI Thermal Printhead Kit (OEM P/N: P1025950-009)
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Factory OEM Zebra 203 DPI replacement thermal printhead for GT800 and GT820 desktop printers. Supports 300-meter ribbon capacity mechanisms across a 4.09-inch active print width. Direct field-replacement assembly.
GENUINE OEM REPLACEMENT • PRECISION THERMAL HARDWARE
Zebra GT800 / GT820 203 DPI Thermal Printhead Kit (OEM P/N: P1025950-009) – Genuine OEM Replacement
OEM Part Number: P1025950-009 • Core Engine: Dual-Ribbon Core Thin-Film Micro-Resistor Thermal Array • Target Platform: Zebra GT-Series Desktop Printers (GT800 & GT820 203 DPI)
The Zebra GT800 / GT820 203 DPI Thermal Printhead Kit (OEM P/N: P1025950-009) is a genuine, high-precision electro-thermal replacement module designed specifically for Zebra GT-Series desktop label printers supporting dual 74-meter (0.5-inch core) and 300-meter (1.0-inch core) ribbon handling configurations. Manufactured to stringent ISO/OEM semiconductor tolerances by Zebra Technologies Corporation, this printhead assembly delivers exceptional thermal transfer consistency, deep optical black density, and sharp barcode edge definition across mission-critical logistics, warehousing, healthcare, light industrial manufacturing, and retail compliance labeling operations.
At its technical core, the printhead features an integrated ceramic thick-film/thin-film substrate hosting 832 active micro-resistor heating dots spread across an active transverse print width of 4.09 inches (104.0 mm) at a native resolution of 203 dots per inch (8 dots/mm, 0.125 mm dot pitch). Onboard high-speed driver ICs and shift register logic modulate microsecond pulse-width heating cycles, sustaining consistent linear feed rates up to 5.0 inches per second (127 mm/sec). To guard against physical abrasive media wear and back-coating ribbon friction, the microscopic heating line is shielded by a fortified silicon nitride (Si3N4) anti-abrasion glaze layer, while an integrated negative temperature coefficient (NTC) thermistor provides closed-loop thermal compensation to prevent localized element overheating.
Pre-assembled on a precision-stamped, anodized aluminum heatsink bracket measuring approximately 116 mm × 30 mm × 24 mm with a dry net weight of approximately 66 grams, this assembly features specialized GT-chassis pivot notches and dual ground-spring clips for perfect mechanical leveling inside the extended 300-meter ribbon module. The high-speed data and 24V strobe currents are routed via a single gold-plated Flexible Flat Cable (FFC) zero-insertion-force connector header. Each P1025950-009 replacement kit is delivered as a 100% genuine factory-sealed unit in certified anti-static barrier packaging, ensuring complete protection against electrostatic discharge and ambient humidity prior to field installation.
Critical Chassis Bracket & Series Compatibility Warning: Although the GT800 series shares electronic compatibility with certain desktop platforms, its mechanical chassis incorporates a larger dual-ribbon cavity requiring the specific bracket profile of P1025950-009. This unit is mechanically incompatible with G-Series printheads (GK420t/GX420t P/N: 105934-038 or GK420d P/N: 105934-037), as their heatsink mounting tabs and spring positions will not seat properly into the GT800 head-open latch assembly.
ENGINEERING REFERENCE
Identification Notes & Core Distinction
| Reference Parameter | Engineering Specification & Description |
|---|---|
| Current Official OEM P/N | P1025950-009 (Zebra Global Spares Standard Kit Part Number). |
| Superseded / Alternate Formats | P1025950-009-A, KIT PRINTHEAD 203 DPI GT800 SERIES. |
| Core Technology Architecture | Dedicated desktop thermal line array with extended heatsink mounting frame tailored for the GT 300m/74m ribbon carriage system. |
| Cross-Platform Incompatibility | Non-interchangeable with G-Series (GK420t/d 105934-037/038) or ZD-Series (ZD220, ZD230, ZD420) printhead brackets. Bracket pivot width and mounting pin positions differ. |
Notice: This printhead is dedicated solely to Zebra GT-Series 203 DPI printers. Do not attempt retrofit installations into 300 DPI printers or alternative desktop lines without replacing the associated chassis and firmware components.
Part Information Matrix
| Product Official Designation | Zebra GT800 / GT820 203 DPI Thermal Replacement Printhead Kit |
| OEM Manufacturer & Assembly Fab | Zebra Technologies Corporation (Desktop Specialty Printing Division) |
| Exact Model Identification | Zebra GT-Series 4-inch 203 DPI Thermal Printhead Sub-Assembly |
| OEM Part Number (P/N) | P1025950-009 |
| Known Superseded Aliases | P1025950-009-A, ZEB-P1025950009, KIT PRINTHEAD GT800 203DPI |
| Print Technology Compatibility | Dual-Mode: Thermal Transfer (Wax, Wax/Resin, Full Resin Ribbons) & Direct Thermal (Heat-Sensitive Papers/Synthetics) |
| Product Lifecycle Status | Active OEM Production & Tier-1 Spares Maintenance Support |
| Physical Condition | • 100% Brand New, Factory Sealed in Original OEM Anti-Static Moisture Barrier Packaging |
| Country of Origin | Japan / China (Zebra Certified Semiconductor & Assembly Operations) |
| Primary Industrial Application | Logistics Master Shipping Labels, Manufacturing Asset Tagging, Healthcare Patient Records, Retail Compliance Barcoding |
Technical Specifications Matrix
| Engineering Metric | Certified Parameter Value |
|---|---|
| Native Print Resolution | 203 DPI (8 dots per mm / nominal 0.125 mm dot pitch) |
| Total Active Heating Dot Count | 832 individual micro-resistor elements aligned in a contiguous linear array |
| Maximum Active Print Width | 4.09 inches (104.0 mm) continuous transverse imaging path |
| Maximum Rated Print Speed | Up to 5.0 inches per second (127 mm/sec) under optimal head pressure |
| Nominal Dot Resistance | Calibrated factory resistance rank ~650 – 780 Ω (stamped on barcode rank label) |
| Protective Overcoat Glaze | High-durability Silicon Nitride (Si3N4) anti-abrasion passivation layer |
| Operating Thermal Range | 5°C to 40°C (40°F to 105°F) operating environment; monitored via onboard NTC thermistor |
| Logic & Strobe Drive Voltage | +5.0V DC logic drive rail; +24.0V DC ±5% nominal head strobe power rail |
| Dimensions & Physical Mass | Approx. 116 mm × 30 mm × 24 mm | Dry assembly net weight: ~66 g |
| Electrical Interconnect Interface | Single gold-plated high-density Flexible Flat Cable (FFC) connector header |
FIELD ADVISORY
Technical Precision & Installation Warning
ATTENTION: Direct thermal and thermal transfer ceramic printheads are electrostatic-sensitive micro-devices. Installation must strictly be executed by qualified service technicians or trained hardware personnel in accordance with Zebra GT-Series maintenance procedures.
- ESD Protection: Substrate-level shift registers and switching MOSFETs are extremely susceptible to electrostatic discharge. Technicians must touch an earthed chassis ground or wear a grounded anti-static wrist strap prior to unpacking the sealed anti-static bag or handling the electrical FFC contacts.
- Power Isolation & Absolute Prohibition of Hot-Swapping: Turn off the printer power switch and unplug the 24V external DC power supply cable before attempting printhead replacement. Disconnecting or seating the FFC ribbon cable while live current is supplied will arc across the 24V strobe pins, destroying mainboard driver transistors and permanently bridging printhead channels.
- Cable / FFC Inspection: Carefully inspect the flexible flat cable contacts for bent fingers, lint, or adhesive residue. Seat the cable squarely into the connector housing and lock the retaining latch fully; angled insertion can cross 24V power traces into 5V logic lines, resulting in instantaneous destruction of the logic board.
- Ink / Fluid Chemical Compatibility: Use only 99.7% electronic-grade Isopropyl Alcohol (IPA) with lint-free foam swabs to clean the heating line. Never use aromatic solvents, acetone, chlorine-based cleaners, or metallic tools/scrapers to remove baked ribbon wax or chemical residue; scratching the protective glaze permanently destroys dot line continuity.
- Handling Factory-Sealed Unit: Never touch the mirror-finished ceramic burn line with bare fingertips. Natural epidermal oils, acids, and skin salts will bond to the resistive glass coating, charring under operational heat and causing localized dot burnout.
- Part Number & Spring Calibration: Ensure the factory retention springs and pivot brackets seat symmetrically within the GT800 ribbon carriage assembly. Perform a manual media sensor calibration and verify printhead darkness settings via Zebra Setup Utilities to ensure nominal energy delivery and avoid over-driving the heating elements.
Target Equipment Compatibility Matrix
Zebra GT800 Desktop Series (203 DPI)
- Zebra GT800 Standard (Model Code: GT800-100510-000)
- Zebra GT800 Thermal Transfer & Direct Thermal (203 DPI)
- Zebra GT800 Dual Ribbon Capacity Mechanisms (74m & 300m)
Zebra GT820 Regional Platforms (203 DPI)
- Zebra GT820 Standard Industrial Desktop (203 DPI)
- Zebra GT820 Dual-Core Ribbon Series
- GT-Series OEM Service Replacement Drop-In Units
Incompatible Equipment Alert (Do Not Procure for the Following Platforms):
This assembly is strictly NOT COMPATIBLE with standard G-Series printers (GK420t/GX420t – requires P/N 105934-038; GK420d/GX420d – requires P/N 105934-037), 300 DPI desktop models (GX430t – requires P/N 105934-039), legacy 2844 series (TLP2844 / LP2844), or newer Zebra ZD series printers (ZD220, ZD230, ZD420, ZD421, ZD620). Always verify the full model and part number stamped on your printer's regulatory label.
Terms, Warranty & Customer Protection Policy
1. Pre-Installation Guarantee: Every printhead kit is guaranteed to be 100% genuine Zebra OEM, brand new, factory sealed in original anti-static moisture barrier packaging, and completely free of missing dots, scratches, or electrical opens/shorts upon arrival.
2. Store Warranty Policy: We provide a 30 working-day store warranty against dead-on-arrival (DOA) electrical defects from the recorded delivery date. Warranty claims require an unedited, continuous video recording showing unboxing of the intact factory seal and full physical installation by a qualified technician, including cable connection verification and self-test config printout.
3. Final Sale Conditions: Due to the sensitive semiconductor characteristics of micro-resistor thermal heating arrays, all sales are strictly final once the anti-static vacuum seal is breached or the printhead is mounted to the printer chassis. Scratched protective glaze, physical chipping from sharp tools or staples, reverse voltage destruction, heat burnout from extreme darkness settings, or ribbon wrinkle adhesive contamination are explicitly excluded from warranty coverage.
OEM P/N: P1025950-009
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