2 Solve problems ............................................................................................................. 111 Solve problems checklist ....................................................................................................... 112 Helpful printed pages ........................................................................................................... 114 Menu map ........................................................................................................... 114 Current settings pages ...........................................................................................
114 Preboot menu options ........................................................................................................... 115 Troubleshooting process ........................................................................................................ 122 Determine the problem source ................................................................................. 122 Troubleshooting flowchart ....................................................................... 122 Power subsystem ...................................................................................................
123 Power-on checks .................................................................................... 123 Power-on troubleshooting overview ............................................ 123 Control-panel checks ............................................................................................. 124 Control-panel diagnostic flowcharts .......................................................... 126 Touchscreen black, white, or dim (no image) .............................. 127 Touchscreen is slow to respond or requires multiple presses to respond .................................................................................
128 Touchscreen has an unresponsive zone ...................................... 129 No control-panel sound ............................................................ 130 Home button is unresponsive .................................................... 131 Hardware integration pocket (HIP) is not functioning (control panel functional) .............................................................................. 132 Scanning subsystem .............................................................................................. 132 Tools for troubleshooting .......................................................................................................
133 Individual component diagnostics ............................................................................ 133 LED status .............................................................................................. 133 Understand lights on the formatter ............................................. 133 Engine diagnostics ................................................................................. 135 Engine-test button .................................................................... 135 Paper path test .......................................................................................
138 Paper path sensor tests ........................................................................... 139 Manual sensor tests ................................................................................ 140 Cartridge door switch (SW3) .................................................... 142 Left door switch (SW1) ............................................................. 143 Right door sensor (SR8) ............................................................ 144 Cartridge install sensor (SR1) .................................................... 145 TOP (top-of-page) sensor (SR9) ..................................................
146 Fuser loop sensor (SR6) ............................................................ 147 Fuser output sensor (SR12) ....................................................... 148 Duplex switchback sensor (SR1) ................................................ 149 Duplexer refeed sensor (SR2) .................................................... 150 ENWW ix