Service Error: Power-On Self-Test (POST) Failure
This error indicates that the printer failed its initial power-on self-test. A critical component is not functioning, preventing the printer from booting.
- 1Faulty Main PCA (Printer Controller Assembly) preventing boot-up or proper component initialization.
- 2Defective or improperly seated DIMM (memory module) causing memory test failure during POST.
- 3Power supply unit (PSU) failure, delivering insufficient or unstable power to critical components.
- 4Corrupted firmware preventing the printer from completing its boot sequence.
- 5Failure of a critical peripheral component, such as the hard disk drive (HDD) or formatter board, that is essential for POST.
- Printer displays the '0x00F50001' error code immediately upon power-on.
- Printer does not progress past the initial HP logo or boot screen.
- Printer may cycle power on and off repeatedly without fully booting.
- No motor movement or printhead carriage initialization occurs.
- Control panel remains blank or shows only a backlight without any text or graphics.
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A maintenance area on the right side of the printer where the printheads are capped and cleaned when not in use. It prevents ink from drying in the nozzles.
A numeric or alphanumeric code displayed on the printer's front panel or in diagnostic logs that identifies a specific hardware or software malfunction.
A comprehensive technical document provided by HP to authorized service technicians containing detailed disassembly, repair, and calibration procedures.
A company that has been certified by HP to provide warranty and out-of-warranty repair services for HP DesignJet printers.