Document feeder operation (standard model and the M525c model) .............. 58 Deskew operation ..................................................................... 58 Document feeder hinges ............................................................. 59 Stapler .................................................................................................................................. 61 2 Solve problems ............................................................................................................... 63 Solve problems checklist .........................................................................................................
64 Menu map ............................................................................................................................ 66 Preboot menu options ............................................................................................................. 67 Current settings pages ............................................................................................................ 74 Troubleshooting process .......................................................................................................... 75 Determine the problem source ...................................................................................
75 Troubleshooting flowchart ......................................................................... 75 Power subsystem ..................................................................................................... 76 Power-on checks ...................................................................................... 76 Control-panel checks ............................................................................................... 77 Power-on troubleshooting overview .............................................. 76 Scanning subsystem ................................................................................................
79 Tools for troubleshooting ......................................................................................................... 80 Individual component diagnostics .............................................................................. 80 LED diagnostics ........................................................................................ 80 Understand lights on the formatter ............................................... 80 Engine diagnostics ................................................................................... 83 Engine-test button ......................................................................
83 Paper path test ......................................................................................... 85 Paper path sensors test ............................................................................. 85 Manual sensor test ................................................................................... 87 SW501 Cartridge door switch test .............................................. 89 PS8001 Rear door sensor test ..................................................... 90 PS215 Top (Top-of-Page) sensor test ............................................ 91 PS225 Paper width 1 sensor test .................................................
92 PS2 Fuser output sensor test ........................................................ 93 PS502 Duplexer refeed sensor test .............................................. 94 PS1 Rear bin sensor test ............................................................. 95 PS4 Output bin full sensor test ..................................................... 96 PS8008 Tray 3 Feed sensor ....................................................... 97 PS8008 Tray 4 Feed sensor ....................................................... 98 Tray/bin manual sensor test ......................................................................
99 PS205 Tray 1 Paper sensor test ................................................. 101 PS3 Tray 2 Paper sensor test ..................................................... 102 SW235 Tray 2 Cassette sensor test ........................................... 103 ENWW vii