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Genuine Honeywell PC45t / PC45d 4" 300 DPI Desktop Thermal Printhead (P/N 50190534-001)
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Authentic OEM 300 DPI high-definition thermal printhead replacement kit for Honeywell PC45t and PC45d desktop barcode printers. Delivers crisp small fonts, dense 2D symbologies, and high-contrast labels at speeds up to 6 ips.
GENUINE OEM REPLACEMENT • PRECISION THERMAL HARDWARE
Honeywell PC45t / PC45d 4" 300 DPI Desktop Thermal Printhead (P/N 50190534-001) – Genuine OEM Replacement
OEM Part Number: 50190534-001
Resolution / Print Width: 300 DPI (11.8 dots/mm) / 106 mm (4.17")
Technology Core: High-Density Ceramic Thin-Film Micro-Resistor Array
Target Platform: Honeywell PC45 Enterprise Desktop Printers (PC45t / PC45d)
ARCHITECTURAL OVERVIEW
High-Resolution Micro-Thermal Deposition & Ultra-Dense 2D Matrix Rendering
The Honeywell PC45 Series 300 DPI Thermal Printhead (OEM P/N: 50190534-001) is an authentic original equipment manufacturer transducer engineered specifically for high-precision printing configurations of Honeywell PC45t (thermal transfer) and PC45d (direct thermal) desktop printers. Purpose-built for mission-critical enterprise environments requiring high-density imaging, this printhead is the benchmark replacement for healthcare laboratory specimen vials, blood bag tracking, micro-electronic component labeling, pharmaceutical serialized serialization (DSCSA compliance), and high-resolution compliance labeling where microscopic bar widths and razor-sharp typographic legibility are non-negotiable.
Engineered with high-density ceramic thin-film micro-resistor architecture, the linear dot line features 1,248 individual micro-heating elements spaced at 11.8 dots per millimeter (300 dots per inch) across a nominal 106 mm active print swath. The micro-resistor line is fortified with an advanced Diamond-Like Carbon (DLC) glaze overcoat that provides exceptional mechanical wear resistance against abrasive chemical top-coatings found on direct thermal synthetic label stocks and high-friction resin/wax-resin ribbons. This ultra-hard passivation layer eliminates micro-channel scratching, mitigates chemical leaching, and protects the resistor array against static pinhole erosion during high-duty print runs up to 152 mm/s (6 ips).
The thermal transducer is integrated onto a precision-stamped aluminum structural bracket engineered for rapid heat conduction away from the dot line, preventing dot blooming, thermal latency, and image distortion during dense 2D barcode generation (including Data Matrix, QR Code, Aztec, and micro-PDF417). Featuring an onboard high-accuracy negative temperature coefficient (NTC) thermistor for real-time strobe pulse-width compensation and factory-aligned gold-plated signal terminals, each genuine 50190534-001 unit is manufactured under cleanroom conditions, resistance-ranked, vacuum-sealed inside an anti-static ESD shielding pouch, and marked with authentic Honeywell factory traceability identifiers.
CRITICAL SYSTEM & RESOLUTION CROSS-CHECK: Always verify the printer configuration and resolution before ordering. Part number 50190534-001 is designated exclusively for 300 DPI models of the Honeywell PC45 series. Installing this printhead into a 203 DPI configured printer without performing the corresponding firmware resolution update and driver profile adjustment will cause optical scaling errors, halved print dimensions, and strobe timing mismatch faults.
ENGINEERING REFERENCE
Identification Notes & Core Distinction
| Reference Standard | Technical Description & Interoperability Context |
|---|---|
| Current OEM Part Number | 50190534-001 – Official Honeywell factory replacement catalog number for the 4-inch 300 DPI high-density thermal printhead kit. |
| Alternate Platform Resolution | 50190533-001 (203 DPI / 8 dots/mm) – Standard resolution counterpart for the PC45 series. Uses 832 dots with larger dot pitch; non-interchangeable without software/firmware reconfiguration. |
| Core Engine Architecture | High-Speed Thin-Film Ceramic Array (11.8 dots/mm) – Factory matched to Honeywell PrintSet 5, Direct Protocol, IPL, DPL, and ZSim2 command interpreters. |
NOTICE: Do not attempt to mount this printhead into older generation Honeywell/Intermec desktop printers such as the PC43t / PC43d (P/N 710-179S-001 for 300 DPI) or PC42t / PC42d series. Although physical widths are similar, bracket locking profiles, electrical cable headers, and mainboard driver interfaces are entirely non-compatible.
SYSTEM PARAMETERS
Product Details & Engineering Specifications
Part A: Part Information Matrix
| Product Name | Honeywell PC45t / PC45d 4" 300 DPI Thermal Printhead Assembly |
| OEM Manufacturer | Honeywell Safety and Productivity Solutions (Charlotte, NC, USA) |
| Exact Model Code | PC45 Printhead 300 DPI (High-Resolution Subsystem) |
| OEM Part Number | 50190534-001 |
| Known Cross-Reference / Aliases | HON-50190534-001, PC45 300DPI Head Kit, PC45 High-Res Printhead |
| Media & Chemistry Compatibility | Direct Thermal Paper / Synthetic Films; Thermal Transfer Ribbons (Standard Wax, High-Density Wax/Resin, Chemical-Resistant Pure Resin) |
| Product Status & Condition | 100% Brand New, Genuine OEM Factory Original, Sealed in Anti-Static Enclosure |
| Country of Origin | China / Japan (OEM Sub-assembly Core) |
| Primary Industrial Application | Clinical Laboratory Specimen Vials, Blood Bag Tracking, Pharmaceutical Serialization, Electronics Component Micro-Labeling, High-Density Asset Tags |
Part B: Technical Specifications
| Print Technology | Direct Thermal (DT) & Thermal Transfer (TT) Dual Mode Ceramic Thin-Film |
| Optical Print Resolution | 300 DPI (11.81 dots/mm) |
| Effective Print Swath Width | 106.0 mm / 4.17 inches (Accommodates media up to 118 mm width) |
| Total Heating Dot Array | 1,248 Resistive Heating Elements |
| Dot Pitch / Geometry | 0.0847 mm (center-to-center dot spacing) |
| Nominal Resistance Rating | Approx. 650 Ω – 800 Ω (Automatic baseline detection by PC45 mainboard) |
| Maximum Linear Printing Speed | Up to 152 mm/s (6.0 inches per second) |
| Surface Protective Glaze | Diamond-Like Carbon (DLC) Abrasion-Resistant Overcoat |
| Thermal Sensor Feedback | Integrated High-Precision NTC Thermistor with real-time temperature tracking |
| Electrical Interface | Multi-pin gold-plated header connector for clock, strobe, logic, and 24V supply lines |
| Structural Carrier Substrate | Precision-formed stamped aluminum bracket with tool-less snap-in alignment pins |
FIELD ADVISORY
Technical Precision & Installation Warning
CAUTION: Replacement and calibration of this high-density printhead assembly must be executed by trained maintenance personnel adhering to electrostatic discharge (ESD) and hardware isolation protocols.
- Electrostatic Discharge (ESD) Protection: Wear a grounded anti-static wrist strap. The 1,248 microscopic heating elements and onboard CMOS shift registers are sensitive to latent static breakdown.
- Complete Power Isolation (No Hot-Swapping): Disconnect the 24V power adapter from the rear of the PC45 chassis before opening the printhead mechanism. Never connect or disconnect printhead cables while power is supplied. Hot-plugging induces severe inductive voltage spikes that immediately burn out the logic driver circuitry and mainboard FETs.
- Harness & Connector Inspection: Inspect the printhead cable connector for bent pins, debris, or conductor fatigue. Align the connector squarely and seat it fully into the header without forced canting.
- Platen Roller Inspection & Maintenance: Clean the platen roller thoroughly with 99% pure electronic-grade isopropyl alcohol (IPA) prior to installing the new printhead. Replace platen rollers that show grooves, cuts, or adhesive buildup, as irregularities will puncture the new thermal element glaze.
- Handling Factory-Sealed Unit: Never touch the glazed thermal print line with bare fingers; skin oils create localized hot spots that accelerate element burnout. Clean the glazed line using a lint-free swab saturated in pure IPA before initial power-on.
- Firmware & Calibration Check: After installation, power on the printer and perform a media calibration sequence via Honeywell PrintSet 5 or the touchscreen interface. Confirm that darkness, print speed, and heat settings conform to the specified media grade to prevent premature thermal stress.
SYSTEM INTEROPERABILITY
Compatible Engine Platforms & Procurement Terms
Honeywell PC45t (Thermal Transfer – 300 DPI)
- Honeywell PC45t High-Resolution Desktop Printer (300 DPI)
- Honeywell PC45t Healthcare Edition (Disinfectant-Ready Housing)
- Honeywell PC45t with Dispenser / Peeler Configuration
- Honeywell PC45t with Cutter Module Assembly
Honeywell PC45d (Direct Thermal – 300 DPI)
- Honeywell PC45d High-Resolution Direct Thermal Printer (300 DPI)
- Honeywell PC45d Healthcare Edition (Clinical White)
- Honeywell PC45d Linerless High-Density Configuration
- Honeywell PC45d with Real-Time Clock & Peel Mechanism
Confirmed Incompatible Hardware Platforms (Strict Verification Notice)
DO NOT DEPLOY IN: Honeywell PC45 203 DPI configurations (P/N 50190533-001) without full resolution conversion, Honeywell legacy PC43 series (PC43t / PC43d / P/N 710-129S-001 or 710-179S-001), PC42 series (PC42t / PC42d / PC42E-T), Honeywell industrial series (PM43 / PM45 / PD45 / PX4ie), or third-party desktop printers from Zebra (ZD421/ZD621 300 DPI), TSC, or Datamax. Mounting brackets and connector pinout configurations are non-interchangeable.
Terms, Warranty & Customer Protection Policy
1. Pre-Installation Authenticity Guarantee: This item is guaranteed to be 100% genuine OEM, brand new, and factory-sealed from Honeywell Safety and Productivity Solutions. Each unit carries its authentic factory serial number and OEM batch traceability barcode.
2. Limited Operational Warranty (30 Working Days): Due to the operating nature of thermal resistive components, warranty coverage against manufacturing defects is valid for 30 working days from the verified date of delivery. Any warranty claim requires continuous, unedited high-definition video documentation covering package unboxing of the intact seal, pre-installation multi-meter resistance verification, and replacement executed by a qualified service technician.
3. Final Sale & Return Exclusions: Under standard industrial spare parts policy, once the sealed anti-static protective pouch has been opened, mounted into a machine carriage, or subjected to electrical power, this printhead is classified as an active consumable item and is non-returnable and non-refundable. Physical abrasions, scratches on the glazed print array, or element burn-out caused by debris or electrical spikes void all coverage.
50190534-001
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