HP Color LaserJet Enterprise CP4020 Service Manual - Page 551

main-drive assembly removing 203 manage supplies menu 318 manual print modes 408 material restrictions 509 Material Safety Data Sheet (MSDS) 510 media Show Me How menu 314 media registration accuracy xix media sensor value Service menu reset 422 memory information 307 insufficient 346, 362 NVRAM initialization 423 part numbers 427 permanent storage error messages 355 supply errors 345 memory DIMM, removing 81 menu map description 317 print 236 menus configure device 321 diagnostics 342 I/O (input/output) 334 information 317 paper handling 317, 318 printing 321 resets 342 system setup 329 menus, control panel I/O 334 Show Me How 314 menus, control-panel manage supplies 318 retrieve job 314 mercury-free product 509 messages alphabetical list xvii event log, listed numerically 378 numerical list 345 types of 345 model number 309 motor control paper feeder 59 motors DC controller 8 developing-disengagement, removing 168 drum motor, removing 199 failure detection xvii fuser, removing 200 ITB, removing 202 locations xxviii paper feeder 59 pickup (optional paper feeder), removing 231 pickup, feed, and delivery xvii pickup, removing 172 residual-toner-feed, removing 133 stepping 8 movement of paper through product. See pickup, feed, and delivery multiple paper feed prevention 43 multipurpose tray. See trays N networks diagnostics 338 HP embedded Jetdirect configuration page 309 link speed settings 341 protocols 334 security 334 settings xvii noise specifications 503 notes iii Novell/NetWare information 310 NVRAM (nonvolatile memory) initialization 423 NVRAM errors 355 O online support 500 operating environment specifications 503 operation sequence xvii optimize print quality calibrate the product 187 ordering part numbers for 427 supplies and accessories 426 output bin jam causes 394 jams 346 overcurrent or overvoltage protection 13 P pages blank 417 not printing 417 printing slowly 417 skewed 414 pages count from product refurbish date 421 reset 420 reset by NVRAM initialization 423 since last maintenance 311 See also counts paper cassette-presence detection 42, 62 default size reset 422 jam detection 64 level detection 43 movement sensors xvii, 55 presence detection 43 Show Me How menu 314 size detection 62 stop in path for testing 273 wrinkled 415 paper detection 47 paper feeder cassette lift operation 63 component locations xxviii controller PCA 283 controller PCA, removing 232 diagrams of 1 x 500- sheet xxviii diagrams of 3 x 500- sheet xxviii electrical components xvii feed operations 45 feed speed control 48 front door, removing 216 jam detection 64 left cover, removing 222 lifter assembly, removing 229 ENWW Index 519