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OverviewProduce crisp, accurate, cost-effective drawings. HP printheads provide low-maintenance, high-productivity printing. So you can print with ease and deliver with confidence. Produce a range of applications including low-cost CAD monochrome drawings and GIS documents. Produce crisp, accurate, cost-effective drawings. HP printheads provide low-maintenance, high-productivity printing. So you can print with ease and deliver with confidence. FeaturesGet crisp, clear, accurate results every timeProduce crisp text and fine line accuracy. Maintain high productivityOriginal HP printheadsKeep your printing running smoothly with Original HP printheads. Enjoy low-maintenance, high-confidence printingReceive alerts when supplies need to be replaceddoing it yourself is quick and easy.
Disclaimers In the circa 50 countries and territories in which the HP Planet Partners program operates. Program features and availability varies.
Disclaimers In the circa 50 countries and territories in which the HP Planet Partners program operates. Program features and availability varies.
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- Return for refund within: 30 days
- Return for replacement within: non-replaceable
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The HP 761 (CH648A) is a matte black/matte black printhead for users who need this specific part for compatible HP printing equipment.
Recommended For
- Owners of a compatible HP DesignJet T7100 or T7200 who need to replace the matte-black printhead for continued large-format printing.
- CAD and technical-drawing teams using a compatible DesignJet who need crisp text and fine, accurate black lines in monochrome drawings.
- Print-room operators maintaining a compatible DesignJet production workflow who want the specified HP printhead rather than a complete printer or a different printer component.
Real-World Use Scenarios
- When a compatible DesignJet reports that its matte-black printhead needs replacement, install the CH648A to address the identified printhead fault and resume printing; the printer may prompt for alignment before the next job.
- When black areas or fine lines in CAD drawings show streaks or gaps, a technician can use the printer’s diagnostics to check whether the black printhead is responsible; replacing it may restore more consistent output if the head is faulty.
- For a print shop or office producing monochrome CAD plans, the CH648A serves as a replacement part for compatible DesignJet printers when the matte-black printhead is identified as worn or nonfunctional, helping return the printer to drawing production.
- When replacing the printhead during routine printer maintenance, follow the printer’s replacement procedure and allow its alignment process to finish; completing alignment helps the printer produce sharp edges and accurate placement in graphics.
- If a plot has missing black lines or banding, replacing the CH648A is a targeted repair only when diagnostics point to that printhead; paper, calibration, or other printer issues can cause similar symptoms and may need separate troubleshooting.