TOP (top-of-page) sensor (PS5) .................................................. 294 Fuser loop sensors 1 and 2 (PS7 and PS8) ................................. 295 Fuser pressure-release sensor (PS9) ............................................ 296 Fuser output sensor (PS6) .......................................................... 297 Developer alienation sensor (PS11) ........................................... 298 ITB alienation switch (SW5) ...................................................... 299 Tray/Bin manual sensor test .................................................................... 300 Tray 1 paper sensor (PS2) ........................................................
302 Tray 2 paper present sensor (PS1) ............................................. 303 Tray 2 paper surface sensor (PS4) ............................................. 304 Tray 2 paper size switches (SW7 and SW8) .............................. 305 Tray 3 paper sensor (SR3) ........................................................ 306 Tray 3 paper surface sensor (SR2) ............................................. 307 Tray 3 paper size sensors (SW2 and SW3) ............................... 308 Tray 3 feed sensor (SR1) .......................................................... 309 Tray 3 door opening/closing sensor (SW1) ................................
310 Tray 4 paper sensor (SR3) ........................................................ 311 Tray 4 paper surface sensor (SR2) ............................................. 311 Tray 4 paper size sensors (SW2 and SW3) ............................... 311 Tray 4 feed sensor (SR1) .......................................................... 311 Tray 4 door opening/closing door sensor (SW1) ........................ 311 Tray 5 paper sensor (SR83) ...................................................... 312 Tray 5 paper surface sensor (SR82) ........................................... 312 Tray 5 paper size sensors (SW82 and SW83) ...........................
312 Tray 5 feed sensor (SR81) ........................................................ 312 Tray 5 door opening/closing sensor (SW1) ................................ 312 Tray 6 paper sensor (SR93) ...................................................... 312 Tray 6 paper surface sensor (SR92) ........................................... 312 Tray 6 paper size sensors (SW92 and SW93) ........................... 312 Tray 6 feed sensor (SR91) ........................................................ 312 Tray 6 door opening/closing sensor (SW1) ................................ 312 Output-bin-full sensor (PS10) .....................................................
313 Paper-path sensors test ............................................................................ 313 Print/stop test ........................................................................................ 314 Component tests ..................................................................................... 314 Component test (special-mode test) ............................................ 314 Additional component tests ....................................................... 317 Diagrams .............................................................................................................
319 Block diagrams ...................................................................................... 319 Plug/jack locations ................................................................................. 321 Location of connectors ............................................................................ 322 xii ENWW