HP LaserJet 9040/9050 Service Manual - Page 328

stored jobs control panel settings 38 timeout settings 46 storing envelopes 23 media 22 print cartridges 67 printer 8 straight paper path, using 244 stripped screw holes 99 subassemblies, service approach 14 sub-heater (H2), operations 80 supplies ordering 14 part numbers 257 supplies status page printing 38 using 230 surface coatings, media 22 switches engine test 215 media-length detection (SW2-SW5) 90 paper-size detection (tray 4), removing 160 pickup and feed system 89 tray 4 223 symbol sets 43 synthetic media 22 System setup submenu 46 systems, operations overview 70 T tapping screws 261 TCP/IP settings 50, 52, 246 telephone numbers, ordering parts 14 temperature environmental specifications, printer 8 fuser heating operations 80 label specifications 20 print cartridges, storing 67 storing media 22 temporary settings 33 tests communications 246 diagnostics flowchart 216 drum rotation 220 engine 174, 215 high-voltage power supply 220 LAN 247 loopback 247, 249 paper path 213 ping 248 print cartridge 234 service 213 tray 4 221 troubleshooting, preliminary 170 text, troubleshooting dropouts 238 misformed 242 thermistors, fuser control circuit 80 time, setting 46 timeout settings held jobs 46 I/O 48 Sleep mode 46 timing chart, printer operations 74 Index312 Index toner bubbles, troubleshooting 239 cleaning spilled 61 coverage, usage page information 231 density settings 45 first aid measures 61 image formation operations 84 level detection operations 79 loose, troubleshooting 240 no-shake cartridge design 85 seal 86 smears, troubleshooting 241 specks, troubleshooting 241 toner-sensor contact assembly, removing 140 tools, required 99 top assemblies, removing 111 top covers left, removing 103 right, removing 101 torque limiter, operations 87 torque values, screws 261 trailing edge, detection operations tray 2 or 3 88 tray 4 96 transfer bias generation 79 transfer charging roller cleaning operations 79 image formation operations 84 operations 85 transfer guide assembly, removing 131 transfer process, image formation operations 85 transfer roller assembly, removing 120 cleaning 61 contamination, troubleshooting 238 diagrams and part numbers 280 image defects, troubleshooting 236, 240 included in printer maintenance kit 60 Transmit Once technology 2, 4 transparencies detection sensor (PS1) 87, 90 fuser mode 44 specifications 21 tray 1 See also trays assembly, diagrams and part numbers 290 communications 77, 228 configuring 172 feeding operations 93 feeding, troubleshooting 171 Install guide 259 jam detection operations 94 jams, error messages 188, 199 loading special media 25 locating 10, 12 models including 6 paper sizes supported 26 part number 258 registration 33 removing 125