For medium to large workgroups that require large-format, technically oriented prints – such as in architecture and engineering firms or construction companies. Additionally: public administration, printing service providers, repro houses, retailers, and newspaper publishers. A smart choice: The durable HP 90 printheads (including printhead cleaner) work perfectly with the HP Designjet 4000. This ensures quick, reliable, and cost-effective top-quality results with every print, whether precise line drawings or color images in photo quality are needed.