HP — HP LaserJet Pro CP1520 service manual - enw (EN)

Remove the DC controller PCA ........................................................ 37 Formatter PCA .................................................................................................. 40 Special consideration ....................................................................... 40 Remove the formatter PCA .............................................................. 40 Wireless PCA .................................................................................................... 42 Power supply (high-voltage) ..............................................................................

43 Power supply (low-voltage) ............................................................................... 47 Power supply (fuser) ......................................................................................... 53 Fuser ................................................................................................................. 56 2 Solve problems ............................................................................................................................................. 59 Solve problems checklist ....................................................................................................................

60 Menu map .......................................................................................................................................... 61 Troubleshooting process .................................................................................................................... 62 Pre-troubleshooting checklist ............................................................................................. 62 Power-on checks ............................................................................................................... 64 Tools for troubleshooting ....................................................................................................................

65 Diagrams ........................................................................................................................... 65 Plug/jack locations ............................................................................................ 65 Locations of major components ........................................................................ 66 General timing charts ........................................................................................ 68 General circuit diagram .....................................................................................

69 Use HP ToolboxFX ............................................................................................................ 70 View the HP Color LaserJet CP1520 Series Toolbox ....................................... 70 HP ToolboxFX sections ..................................................................................... 71 Status ............................................................................................... 71 Event log ........................................................................................... 71 Help ..................................................................................................

71 System Settings ................................................................................ 71 Print Settings .................................................................................... 74 Network Settings .............................................................................. 74 Shop for Supplies ............................................................................. 74 Other Links ....................................................................................... 75 Internal print-quality test pages ..........................................................................................

75 Interpret the Print Quality Page ......................................................................... 75 Clean the product .............................................................................................. 76 Configuration page ............................................................................................ 76 Print-quality troubleshooting tools ...................................................................................... 77 Repetitive image defects ................................................................................... 77 Calibrate the product to align the colors ............................................................

77 Control panel menus .......................................................................................................... 78 Reports menu .................................................................................................... 78 Quick Forms menu ............................................................................................ 79 vi ENWW