HP Problem with Printer Preparation: Problem with Printer Preparation
🧭 Fixable with care
The printer has detected an error with its internal clock, which can affect print quality.
What to try
- Open and close the cartridge door.
- If that does not help, turn the printer off and back on.
- If the message stays, have the printer serviced.
When it needs a technician
If the door and a power cycle do not clear it, HP says to service the printer.
Which models show Problem with Printer Preparation
HP documents this code for models including HP OfficeJet Pro X451, HP OfficeJet Pro X551.
First steps for any printer error
- Write down the exact code before you do anything else — similar-looking codes often mean completely different things.
- Power the printer off, unplug it for a couple of minutes, then power it back on. A surprising number of transient errors clear here.
- Open the covers and check for paper scraps, packaging material, or anything blocking the carriage.
- Check the cartridges or tanks are genuine, correctly seated, and not empty.
- Confirm the printer is plugged directly into a wall outlet, not a power strip or extension lead.
- Check your model’s own manual — codes are model-specific, and the manual is the authority for your machine.
Source: HP Customer Support - HP OfficeJet Pro X451 and X551 Series Printers, Error Messages. Codes are model-specific, so your own model's manual is the final word. Reviewed October 2026.
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Related HP codes
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