Engine Controller Board Assembly 8-22 removing and replacing 6-44 engine controller subsystem 5-6 Engine Module 6-42 engine test 7-11 Envelope Feeder 5-44 envelopes 1-20 environmental product stewardship 1-28 error messages 7-17 Event Log 7-13 M media specifications See paper specifications Main Motor locating 7-96 removing and replacing 6-25 maintenance 4-1 maintenance count 3-33 memory printer 5-18 Random Access Memory (RAM) 5-19 Memory Enhancement technology (MEt) 5-19 model numbers 1-8 motors 5-13, 7-96 F Fan, removing and replacing 6-24 500-sheet tray, paper specifications 1-12 Formatter Cage Assembly, removing and replacing 6-20 Formatter Pan, removing and replacing 6-39 Formatter system 5-15 Front Right Side Cover, removing and replacing 6-13 Fuser Assembly 8-34 Fuser Mode setting 5-32 Fuser, removing and replacing 6-18 fusing temperature, variable 5-32 N NVRAM, clearing 3-38 O Optional 500-sheet Tray 5-41 ordering information 2-3 phone numbers 2-6 Output Assembly, removing and replacing 6-21 overcurrent overvoltage protection 5-3 ozone production 1-28 G Gear Train, removing and replacing 6-40 H heavy paper 1-23 P page count 3-33 page protect 5-20 paper heavy 1-23 motion control 5-12 size detection switches 7-94 specifications 1-12 Paper Feed Assembly 8-29 removing and replacing 6-36 Paper Feed Guide Assembly 8-31 Paper Feed Module 6-42 Paper Feed Module Gear Train Assembly, removing and replacing 6-51 Paper Feed Module Plate, removing and replacing 6-50 Paper Feed Module Side Rails, removing and replacing 6-52 Paper Feed Rollers, removing and replacing 6-48 Paper Feed System 5-33 Paper Handling menu 3-9 paper jam 5-48 paper path 7-90 cleaning 4-4 troubleshooting 7-45 I I/O menu 3-26 image developing 5-29 transferring 5-30 writing 5-28 Image Formation System 5-22 photosensitive drum 5-25 Information menu 3-8 input/output 5-17 L labels 1-19 laser drive 5-12 Laser Scanner, removing and replacing 6-23 Left Side Cover, removing and replacing 6-12 Lower Paper Feed Module Plate (HP LaserJet 4000 T/4000 TN), removing and replacing 6-53 Index-2