Fuser pressure-release sensor (PS9) ........................................................ 286
Fuser output sensor (PS6) ......................................................................... 287
Developer alienation sensor (PS11) .......................................................... 288
ITB alienation switch (SW5) ....................................................................... 289
Tray/Bin manual sensor test ........................................................................................ 290
Tray 1 paper sensor (PS2) .......................................................................... 292
Tray 2 paper present sensor (PS1) ............................................................ 293
Tray 2 paper surface sensor (PS4) ............................................................. 294
Tray 2 paper size switches (SW7 and SW8) ............................................... 295
Tray 3 paper sensor (SR3) .......................................................................... 296
Tray 3 paper surface sensor (SR2) ............................................................. 297
Tray 3 paper size sensors (SW2 and SW3) ................................................. 297
Tray 3 feed sensor (SR1) ............................................................................ 299
Tray 3 door opening/closing sensor (SW1) ............................................... 300
Tray 4 paper sensor (SR3) .......................................................................... 301
Tray 4 paper surface sensor (SR2) ............................................................. 301
Tray 4 paper size sensors (SW2 and SW3) ................................................. 301
Tray 4 feed sensor (SR1) ............................................................................ 301
Tray 4 door opening/closing door sensor (SW1) ....................................... 301
Tray 5 paper sensor (SR83) ........................................................................ 302
Tray 5 paper surface sensor (SR82) ........................................................... 302
Tray 5 paper size sensors (SW82 and SW83) ............................................ 302
Tray 5 feed sensor (SR81) .......................................................................... 302
Tray 5 door opening/closing sensor (SW1) ............................................... 302
Tray 6 paper sensor (SR93) ........................................................................ 302
Tray 6 paper surface sensor (SR92) ........................................................... 302
Tray 6 paper size sensors (SW92 and SW93) ............................................ 302
Tray 6 feed sensor (SR91) .......................................................................... 302
Tray 6 door opening/closing sensor (SW1) ............................................... 302
Output-bin-full sensor (PS10) ................................................................... 303
Paper-path sensors test ............................................................................................... 303
Print/stop test .............................................................................................................. 304
Component tests .......................................................................................................... 304
Component test (special-mode test) ......................................................... 304
Additional component tests ....................................................................... 307
Diagrams ......................................................................................................................................... 309
Block diagrams ............................................................................................................. 309
Plug/jack locations ....................................................................................................... 311
Location of connectors ................................................................................................. 312
DC controller connections .......................................................................... 312
Product connections .................................................................................. 314
xii ENWW