HP — HP Color LaserJet Enterprise M750 Service Manual

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