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HP LaserJet 1020 with a missing cartridge or front door open error. | Received this HP LaserJet 1020 printer which is having an issue printing since the customer changed the toner cartridge.
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I still receive the error message "Cover is Open" after I closed the scanner cover. (With Video Instructions) | Brother
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HP Laserjet1526dnf MFP "door open" error : r/printers
Fix HP "Door Open" Error by Replacing the door sensor and LED screen on your HP OfficeJet Pro - BCH Technologies
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Color Printer Instructions – SAG – SUNY New Paltz Library
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