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- HP Community
- Printers
- LaserJet Printing
- Re: Laserjet M630 MFP error 30.03.45

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02-18-2020 12:44 PM
The service documentation indicates that you should first replace the SCB cable and if that fails replace the SCB. There have also been instances of this error being caused by jammed paper in the ADF.
I am a volunteer, offering my knowledge to support fellow users, I do not work for HP nor speak for HP.
02-18-2020 07:32 PM
Here are the steps recommended for that error, some of which you've already done:
1. Turn the printer off, and then on.
2. Upgrade the firmware.
3. Reseat all cables and FFC’s in the SCB.
4. Check the event log for other scanner errors. If there are other errors present, resolve those errors.
5. Replace the SCB.
6. Replace the image scanner kit.
7. If the error persists, replace the document feeder.