HP LaserJet M1120 MFP error codes with quick guide – Compatible Printer model: HP LaserJet M1120 MFP – HP LaserJet M1120 MFP Error Codes with instructions guide: HP LaserJet M1120 MFP Code: – Display: Engine comm. Error Description: The product has experienced an internal hardware error. Remedy: 1. Turn off the power by using the […]