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20ppm black, 20ppm color, Ethernet, RJ-11, USB 2.0, Wireless LANMFG Part Number: CF385A Unit Availability
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HP Color LaserJet Pro M476 MFP troubleshooting manual![]() Table of ContentsProduct specificationsSolve problems Theory of operation ADF operation Basic operation Certificate of Volatility Clean the product Clear jams Configuration report Engine control system Environmental specifications Fax functions and operation Firmware upgrades Formatter-control system Image-formation system Laser/scanner system Menu structure Paper feeds incorrectly or becomes jammed Pickup-and-feed system Power consumption, electrical specifications, and acoustic emissions Product dimensions Product resets Scanning and image capture system Solve connectivity problems Solve email problems Solve fax problems Solve image-quality problems Solve paper-handling problems Solve performance problems Solve problems checklist Tools for troubleshooting Troubleshooting process USB flash drive Validate LDAP gateway Access control for LaserJet Pro devices ACL overview ADF duplex operation ADF jam clearance ADF jam detection ADF paper path and ADF sensors Cannot connect to the email server Change the fax speed Checklist for solving fax problems Clean the document feeder pickup rollers and separation pad Clean the paper path Clean the pickup and separation rollers Clean the scanner glass strip and platen Clean the touchscreen Clear jams in the document feeder Clear jams in the duplexer Clear jams in the output bin Clear jams in Tray 1 Clear jams in Tray 2 Clear jams in Tray 3 (accessory) Computer and network security features Control panel Control-panel checks Copy or scan sequence of events DC controller Determine the problem source Diagrams Distinctive ring function Experiencing frequent or recurring paper jams? Factors affecting print performance Fax by using Voice over IP services Fax card in the fax subsystem Fax error report printing Fax page storage in flash memory Fax trace report General print-quality issues Image-formation process Improve print quality Individual component diagnostics Input/output Jam detection Jam locations Laser failure detection LEDM overview Major systems Memory Multiple-feed prevention NFC NVRAM initialization Output is curled or wrinkled Pad transfer Paper does not feed automatically Paper does not feed from Tray 2 or 3 Perform a fax diagnostic test PJL overview PML Power subsystem Power supply Print-quality troubleshooting tools Product components Product feeds incorrect page size Product pulls from incorrect tray Product will not duplex or duplexes incorrectly PSTN operation Receive faxes when you hear fax tones Restore the factory-set defaults Scanner operation Scanner power-on sequence of events Sequence of operation Set the fax-error-correction mode Sleep Delay Solve general fax problems Solve image quality problems: Image defects table Solve problems receiving faxes Solve problems sending faxes Solve USB connection problems Solve wired network problems Solve wireless network problems Super NVRAM initialization The email failed The fax subsystem The product does not pick up paper The product does not print or it prints slowly The product picks up multiple sheets of paper Tools for troubleshooting: Control panel menus Tools for troubleshooting: Event-log messages Tools for troubleshooting: Interpret control panel messages Unable to scan Wireless radio | ||
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