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Genuine Honeywell PX240S / PD45S 4" 305 DPI Industrial Thermal Printhead (P/N 50178575-001)
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Factory-original 305 DPI high-definition thermal printhead replacement kit designed for Honeywell PX240S and PD45S industrial barcode printers. Engineered for crisp micro-fonts, dense 2D symbologies, and high-contrast compliance labels at speeds up to 10 ips. Built for rugged industrial manufacturing environments.
GENUINE OEM REPLACEMENT • PRECISION THERMAL HARDWARE
Honeywell PX240S / PD45S 4" 305 DPI Industrial Thermal Printhead (P/N 50178575-001) – Genuine OEM Replacement
OEM Part Number: 50178575-001
Print Resolution / Width: 305 DPI (12 dots/mm) / 104 mm (4.09")
Technology Core: True 12-Dot Ceramic Thin-Film Micro-Resistor Array
Target Platform: Honeywell PX240S Industrial Print Engine & PD45S Industrial Systems
ARCHITECTURAL OVERVIEW
True 12 Dot/mm Micro-Thermal Deposition & High-Throughput Applicator Engine Imaging
The Honeywell PX240S / PD45S 305 DPI Industrial Thermal Printhead (OEM P/N: 50178575-001) is an authentic original equipment manufacturer replacement transducer engineered specifically for the precision 12 dot/mm printing architecture deployed across Honeywell PX240S print engines and advanced high-speed PD45S industrial platforms. Designed to excel in high-speed automated print-and-apply applicators, electronic component identification lines, pharmaceutical serialization (DSCSA compliance), and high-density warehouse sorting hubs, this printhead delivers razor-sharp typographic legibility, micro-character acuity, and ANSI/ISO Grade-A verification on dense 2D symbologies (including Data Matrix, QR Code, PDF417) and ultra-fine linear barcodes.
Manufactured with a true 12-dots/mm ceramic thin-film resistor substrate, the linear array incorporates 1,248 individual microscopic heating elements precisely aligned across an active print width of 104 mm (4.09 inches). The firing line is coated with a high-integrity Diamond-Like Carbon (DLC) glaze overcoat that provides exceptional wear resistance against abrasive direct thermal label stocks and high-drag thermal transfer ribbons (wax, wax-resin, and resin formulations). This ultra-durable passivation barrier prevents premature dot-resistor thinning, static pinhole failure, and molten polymer burn-on at industrial throughput speeds up to 200 mm/s (8 ips).
The thermal transducer is integrated directly onto a solid, machined aluminum structural backbone, ensuring rapid and uniform thermal dissipation away from the element line during continuous high-density printing to eliminate heat blooming, trailing, and dot distortion. Featuring an onboard high-accuracy negative temperature coefficient (NTC) thermistor for continuous dynamic strobe pulse-width compensation and gold-plated logic/driver connector headers, each genuine 50178575-001 assembly is cleanroom manufactured, factory resistance-graded, vacuum-sealed inside an anti-static ESD shielding pouch, and marked with authentic Honeywell serial tracking identifiers.
CRITICAL RESOLUTION & HARDWARE VERIFICATION: Verify the exact alphanumeric part number stamped on your defective printhead bracket before ordering. Part number 50178575-001 designates the true 305 DPI (12 dots/mm) configuration tailored for the PX240S/PD45S series. It is not interchangeable with 203 DPI models (P/N 50178577-001) or standard 300 DPI (11.81 dots/mm) PD45 kits (P/N 50178578-001) without verified firmware configuration updates and driver resolution alignment.
ENGINEERING REFERENCE
Identification Notes & Core Distinction
| Reference Standard | Technical Description & Interoperability Context |
|---|---|
| Current OEM Part Number | 50178575-001 – Official Honeywell factory replacement catalog number for the 4-inch 305 DPI (12 dots/mm) high-precision thermal printhead assembly. |
| Alternate Platform Resolution | 50178577-001 (203 DPI / 8 dots/mm) – Standard resolution counterpart utilizing 832 heating elements; non-interchangeable without full software and driver reconfiguration. |
| Target Sub-Assembly Architecture | Honeywell PX240S / PD45S Platform – Precision high-speed carriage assembly engineered for automated print engines and advanced industrial labelers. |
NOTICE: Do not attempt to mount this printhead into legacy PM43 / PM42 units (P/N 710-179S-001), PM45 / PM45c platforms (P/N 50180237-001), or legacy PX4ie / PX45 print engines. Despite similar 300-class DPI ratings and media widths, physical mounting bracket profiles, pivot latches, and connector interfaces are entirely non-interchangeable.
SYSTEM PARAMETERS
Product Details & Engineering Specifications
Part A: Part Information Matrix
| Product Name | Honeywell PX240S / PD45S 4" 305 DPI Industrial Thermal Printhead Assembly |
| OEM Manufacturer | Honeywell Safety and Productivity Solutions (Charlotte, NC, USA) |
| Exact Model Code | PX240S / PD45S Printhead Kit 305 DPI (12 dots/mm) |
| OEM Part Number | 50178575-001 |
| Known Cross-Reference / Aliases | HON-50178575-001, PX240S-305DPI-KIT, PD45S-305DPI-Head |
| Media & Ribbon Chemistry | Direct Thermal Paper / Synthetic Label Stock; Thermal Transfer Ribbons (Premium Wax, High-Density Wax/Resin, Chemical-Resistant Resin) |
| Product Status & Condition | 100% Brand New, Genuine OEM Original, Factory Sealed in Anti-Static Enclosure |
| Country of Origin | China / Japan (OEM Sub-assembly Core) |
| Primary Industrial Application | Automated Print & Apply Applicators, High-Density 2D Matrix Compliance, Electronics PCB Tracking, Pharmaceutical Serialization |
Part B: Technical Specifications
| Print Technology | Direct Thermal (DT) & Thermal Transfer (TT) Dual Mode Ceramic Thin-Film |
| Optical Print Resolution | 305 DPI (12.00 dots/mm) |
| Effective Print Swath Width | 104.0 mm / 4.09 inches (Accepts media widths from 20 mm to 114 mm) |
| Total Heating Dot Array | 1,248 Resistive Heating Elements |
| Dot Pitch / Geometry | 0.0833 mm (center-to-center dot spacing) |
| Nominal Resistance Rating | Approx. 650 Ω – 800 Ω (Automatic baseline detection by mainboard controller) |
| Maximum Linear Printing Speed | Up to 200 mm/s (8.0 inches per second) |
| Surface Protective Glaze | Diamond-Like Carbon (DLC) Abrasion-Resistant Overcoat |
| Thermal Sensor Integration | Integrated High-Precision NTC Thermistor with real-time temperature tracking |
| Electrical Interface | Multi-pin gold-plated header for clock, strobe logic, and 24V supply lines |
| Thermal Heat Sink Carrier | Solid machined aluminum mounting carrier with integrated pivot points |
FIELD ADVISORY
Technical Precision & Installation Warning
CAUTION: Installation and mechanical calibration of this 305 DPI printhead must be executed exclusively by qualified service engineers adhering strictly to OEM safety protocols.
- Electrostatic Discharge (ESD) Protection: Wear a grounded anti-static wrist strap throughout servicing. The 1,248 microscopic heating elements and onboard CMOS driver ICs are acutely susceptible to static perforation.
- Complete Power Isolation (No Hot-Swapping): Shut down the main power switch and disconnect AC mains power from the printer before unlatching the print carriage. 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.
- Cable & Harness 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 Cleaning & Pressure Balance: Clean the platen roller thoroughly with 99% pure electronic-grade isopropyl alcohol (IPA) before seating the new printhead. Balance printhead mechanical pressure using the carriage adjustment screws; uneven pressure induces ribbon wrinkling, premature edge wear, and localized overheating of the dot line.
- Handling Factory-Sealed Unit: Never touch the glazed thermal print line with bare hands; skin oils carbonize under operational heat and create localized thermal hot-spots. Clean solely with lint-free swabs saturated in pure IPA prior to first power-up.
- Firmware & Calibration Check: After installation, power on the printer and perform a media calibration sequence via Honeywell PrintSet 5 or the front-panel menu. 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 PX240S Print Engine Subsystems
- Honeywell PX240S Automated Print & Apply Engine (305 DPI)
- PX240S In-line Industrial Packaging Print Modules
- Automated High-Speed Case & Pallet Applicator Systems
- PX240S Left-Hand / Right-Hand Production Configurations
Honeywell PD45S High-Performance Industrial
- Honeywell PD45S Industrial Label Printer (305 DPI Configuration)
- Honeywell PD45S Full Touchscreen Industrial Units
- Honeywell PD45S In-line Manufacturing Verification Models
- Honeywell PD45S High-Speed Direct Thermal / Thermal Transfer Units
Confirmed Incompatible Hardware Platforms (Strict Verification Notice)
DO NOT DEPLOY IN: Standard 203 DPI configurations (P/N 50178577-001) without full resolution conversion, Honeywell PM43 / PM43c / PM42 industrial units (P/N 710-179S-001 / 710-129S-001), Honeywell PM45 / PM45c series (P/N 50180237-001), legacy PD41 / PD42 / PD43 printers, desktop PC45 / PC43 models, or third-party industrial printers from Zebra (ZE511 / ZT411), Sato, or TSC. Mounting brackets, pivot latch pins, and connector pinouts 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 industrial maintenance 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.
50178575-001
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