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‎09-30-2025 07:12 AM - edited ‎10-02-2025 06:11 AM

HP Recommended
Product: HP DesignJet Z9+ 44-in PostScript Printer
Operating System: Microsoft Windows 10 (64-bit)

The plotter was running firmware JGR9_09_22_51.2 with the Onyx Rip Center software. After updating the firmware to JGR9_09_25_31.2, I started having problems connecting to the plotter; port 8090 was unresponsive.

The older firmware is not available for download.

To solve the problem, a previous version of BIOS is required.

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