Reinstall the pickup assembly ........................................................................... 88 Pickup solenoid .................................................................................................................. 90 Remove the pickup solenoid ............................................................................. 90 Engine controller PCA ....................................................................................................... 94 Remove the engine controller PCA ................................................................... 94 Reinstall the engine controller PCA ..................................................................
98 2 Solve problems ........................................................................................................................................... 101 Solve problems checklist .................................................................................................................. 102 Troubleshooting process .................................................................................................................. 105 Determine the problem source ....................................................................................... 105 Power subsystem ............................................................................................................
106 Power-on checks ............................................................................................. 106 Tools for troubleshooting .................................................................................................................. 107 Individual component diagnostics .................................................................................... 107 Engine diagnostics .......................................................................................... 107 Engine-test button ..........................................................................
107 Components tests ........................................................................................... 108 Drum rotation functional check ...................................................... 108 Half self-test functional check ......................................................... 108 Diagrams ......................................................................................................................... 109 Plug/jack locations .......................................................................................... 109 HP LaserJet Professional M1130 MFP series ................................
109 HP LaserJet Professional M1210 MFP series ................................ 110 Location of connectors .................................................................................... 111 Locations of major components ...................................................................... 112 General timing charts ...................................................................................... 115 General circuit diagram ................................................................................... 116 Internal print-quality test pages ........................................................................................
117 Cleaning page ................................................................................................. 117 Configuration page .......................................................................................... 118 Print-quality troubleshooting tools .................................................................................... 119 Repetitive defect ruler ..................................................................................... 119 Interpret control-panel light patterns (HP LaserJet Professional M1130 MFP series only) .................................................................................................................................
120 Interpret control-panel messages (HP LaserJet Professional M1210 MFP series only) ................................................................................................................................. 123 Control-panel message types ......................................................................... 123 Control-panel messages ................................................................................. 123 Clear jams ........................................................................................................................................
126 Common causes of jams ................................................................................................. 126 Jam locations ................................................................................................................... 127 Clear jams from the document feeder (HP LaserJet Professional M1210 MFP series only) ................................................................................................................................. 128 ENWW vii