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HP DesignJet 8000s Printhead (Q6670-60001)
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Factory-original 254-nozzle grayscale piezoelectric printhead calibrated for 12 pL drop size in HP DesignJet 8000s low-solvent printers.
OEM Replacement Component
Original HP DesignJet 8000s Printhead (Q6670-60001)
OEM Part Number: Q6670-60001 / Q6670-67001 | Low-Solvent Industrial Piezoelectric Drop-on-Demand (DoD) Printhead
Architecture Note (Industrial Low-Solvent Platform)
Unlike standard aqueous thermal inkjet (TIJ) DesignJet plotters, the HP DesignJet 8000s is an aggressive low-solvent production platform developed in industrial partnership with Seiko I Infotech (SIIT). The printhead (OEM SKU Q6670-60001) utilizes an industrial Konica Minolta KM256 14 pl Piezoelectric Drop-on-Demand shear-mode engine engineered to withstand harsh low-solvent aggressive ester solvents without chamber degradation.
Product Overview
The Original HP DesignJet 8000s Printhead (Q6670-60001) is an authentic original equipment manufacturer industrial piezoelectric drop-on-demand (DoD) printhead engineered specifically for the 64-inch HP DesignJet 8000s (Q6670A) low-solvent wide-format production printer. Serving as the primary jetting engine across the 6-color carriage array (governing Cyan, Magenta, Yellow, Black, Light Cyan, and Light Magenta channels), the Q6670-60001 printhead delivers high mechanical durability, sharp edge acutance, and high solvent resistance for outdoor advertising, heavy vehicle graphics, fleet wraps, and backlit banners.
Equipped with 256 active addressable nozzles operating across a 180 nozzles-per-inch (npi) native array density, the printhead utilizes shear-mode PZT piezoelectric actuators to fire calibrated 14 picoliter (pL) droplets at drive frequencies up to 8 kHz. Built to operate with HP 780 Low-Solvent inks (and companion industrial solvent chemistries), this head is factory-shipped with a dedicated solvent flush cartridge / transport fluid to maintain fluidic chamber integrity and prevent air lock or nozzle drying during storage and transit.
Part Information
| Product Name | Original HP DesignJet 8000s Low-Solvent Printhead |
| OEM Manufacturer | HP Inc. / Seiko I Infotech (SIIT) / Konica Minolta OEM |
| OEM Part Number | Q6670-60001 (Service Kit: Q6670-67001) |
| Underlying Engine Architecture | Konica Minolta KM256 14 pl (14 pL Piezoelectric DoD) |
| Component Classification | Industrial Solvent Piezoelectric Drop-on-Demand (DoD) Printhead Module |
| Color Versatility | Universal single-channel head; installs in any color position (C, M, Y, K, LC, or LM) |
| Ink Chemistry Pairing | HP 780 Low-Solvent Inks / Seiko ColorPainter 64S Low-Solvent Chemistry |
| Included Kit Accessories | Printhead module, head carriage gasket seal, and HP solvent flushing cartridge |
Technical Specifications
| Actuator Technology | Piezoelectric Shear-Mode PZT Drop-on-Demand (DoD) |
| Total Active Addressable Nozzles | 256 nozzles per printhead |
| Native Nozzle Resolution | 180 nozzles per inch (npi) |
| Maximum Output Resolution | Up to 720 × 720 optimized DPI |
| Nominal Drop Volume | 14 picoliters (pL) calibrated industrial droplet |
| Firing Frequency | Up to 8.0 kHz native cycle frequency |
| Effective Print Swath Width | 36 mm (1.42 inches) |
| Drive Electronics Interface | Dedicated flexible flat cable (FFC) industrial signal connector |
| Operating Temperature Range | 15°C to 30°C (59°F to 86°F) |
| Storage Temperature Range | 5°C to 35°C (41°F to 95°F) with factory shipping fluid sealed |
| Operating Humidity Range | 30% to 70% RH non-condensing |
| Physical Dimensions & Weight | Approx. 85 × 70 × 25 mm; Net weight: 0.15 kg / Package gross: 0.45 kg |
Key Features & Operational Advantages
- Industrial Solvent-Resistant Chamber: Solid PZT shear-mode construction and high-grade stainless steel/titanium orifice plates withstand aggressive solvent carriers without nozzle face delamination or seal degradation.
- Calibrated 14 pL Droplet Weight: Provides balanced outdoor coverage, yielding dense, high-opacity solid fills and legible small-point vector text without excessive ink laydown.
- Universal Color Position Architecture: A single OEM part number (Q6670-60001) services all six carriage positions, simplifying spare head replacement across fleet operations.
- Integrated Flushing Kit Packaging: Shipped complete with a dedicated solvent flush cartridge and carriage gasket seal to ensure safe fluid transitions and leak-free mounting during installation.
CRITICAL TECHNICAL & OPERATIONAL ADVISORY
1. Platform Differentiation from Thermal DesignJets & 9000s/10000s: The Q6670-60001 printhead is engineered exclusively for the HP DesignJet 8000s. It is completely incompatible with thermal inkjet plotters (HP 70, 72, 771, 774). Furthermore, it is not interchangeable with the HP DesignJet 9000s / 10000s (which utilize the larger Konica Minolta KM512 MN 14 pl printhead under part number Q6665-60001). Attempting cross-installation will cause electrical short-circuits on the carriage PCA.
2. Solvent Flushing & Priming Requirement: Prior to ink charging, the included flushing cartridge must be used to purge storage fluid from the printhead internal fluidics. Never introduce solvent ink into a dry head or one containing incompatible transit fluid, as this will cause fluid gelation and permanent channel blockage.
3. Head Alignment & Mechanical Slanted Angle Setup: Unlike auto-aligning thermal printheads, the 8000s requires mechanical alignment. Ensure mechanical slant adjustment and electronic bi-directional calibration patterns are executed via the technician utility to prevent bi-directional stepping and horizontal banding.
4. FFC Ribbon Cable Insertion: Turn off the main circuit breaker and disconnect power cords before reseating printhead ribbon cables. Misaligning or inserting flexible cables at an angle can short the high-voltage piezo drive lines (30–38V), destroying the head drive board (HDC) and carriage electronics.
Compatible Models & Systems
| Printer Platform | Ink Chemistry | Chassis Reference |
|---|---|---|
| HP DesignJet 8000s | HP 780 Low-Solvent | DesignJet 8000s 64-in Low-Solvent Production Printer (Q6670A) |
| HP DesignJet 8000sr | HP 780 Low-Solvent | DesignJet 8000sr 64-in Solvent Production System (Q6670B) |
| OEM Companion Systems | Low-Solvent Formulations | Seiko ColorPainter 64S / Oce CS6060 (KM256 14 pl base compatibility) |
*Model Differentiation Note: The HP DesignJet 8000s carriage utilizes six individual Q6670-60001 printheads. It cannot be used in HP DesignJet 9000s or 10000s printers (which require KM512 heads under part number Q6665-60001). Always confirm printer chassis model number on the serial plate before breaking package seals.
Terms, Warranty & Customer Protection
Condition: 100% Brand New, Genuine OEM Factory-Original Replacement Printhead in sealed electrostatic protective packaging with shipping preservation fluid intact.
Manufacturer Warranty: Precision industrial piezoelectric part. Covered under manufacturer warranty against manufacturing defects out-of-box prior to ink introduction. No manufacturer warranty applies once solvent ink has been charged through the fluidic chambers or if damage results from head strikes or electrical cabling errors.
Return Policy: Precision electronic solvent component. Unopened, factory-sealed boxes are eligible for standard commercial return. Once the anti-static seal is broken or the head installed, returns cannot be accepted due to fluid cross-contamination and piezo driver voltage exposure risks.
Q6670-60001
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