HP LaserJet 9040/9050 Service Manual - Page 321

fuser assembly 60 assembly, removing 134 cleaning 65 connector holder assembly, removing 147 contamination, troubleshooting 238 control circuit operations 80 delivery drive assembly, diagrams and part numbers 275 delivery jams 88 delivery sensor (PS502) 88, 90 delivery-drive assembly, removing 149 error messages 205 image defects, troubleshooting 240, 241, 242 image formation operations 85 jam removal knob, removing 123 jam sensor (PS501) 88, 90 levers 237 media compatibility 20 noise, troubleshooting 171 operations 77 part numbers 257 poor adhesion, troubleshooting 172 roller 79, 80 wrapping jam detection operations 87 fuser modes 40, 44 fuser/delivery motor (DCM1) 92 G gray background, troubleshooting 239 ground path, drum 239 H hard disks critical error messages 212 error messages 180, 182 file directory page 232 file directory, printing 38 initializing 217, 219 installed personalities and options 228 job retention 46 models including 7 part numbers 258 skip disk function 218, 220 supported 3, 5 harnesses, replacing 99 heating operations, fuser 80 heavy paper fuser mode 44 types supported 26 height, printer space requirements 17 specifications 7 Help key, control panel 31 high-voltage power supply checking 220 image defects, troubleshooting 236, 240, 242 operations 78 part numbers 257 removing 137 voltage 80 hoppers, printer cartridge 85 horizontal defects, troubleshooting 239 HP Customer Services and Support Organization (CSSO) 14 HP Fast InfraRed Connect locating 11, 12 part number 258 HP Jetdirect configuration page 229 HP Jetdirect print servers EIO menu 49 models including 6 networks supported 81 part numbers 258 troubleshooting 246, 250 HP Jet-Link cabling, troubleshooting 226 connector, locating 11 connector, removing 146 HP LaserJet 9000 Series Printer software CD-ROM 260 HP Web JetAdmin configuring trays from 172 upgrading firmware with 56, 57 HTTPS settings 51 humidity environmental specifications, printer 8 storing media 22 storing print cartridges 67 I I/O buffer overflow, error messages 202 I/O communication operations 81 I/O menu 48 I/O slots, locating 11 image defect tables 235 image formation operations 84 image quality cleaning page, creating 65 settings 44 troubleshooting 233 image size, setting default 41 Information menu 38 information pages configuration 226 file directory 232 Jetdirect 229 printing 38, 226 supplies status 230 usage 231 ingestion, toner 61 inhalation, toner 61 inks, preprinted media specifications 21 input trays capacities 26 configuration page information 228 detectable size error messages 182 feeding, troubleshooting 171, 172 included 2 jams, error messages 188, 199 jams, troubleshooting 224 Jet-Link device error messages 179 media error messages 186, 187 paper path test 213 paper sizes, supported 26 part numbers 259 registration 33, 44 selecting 46, 172 unexpected size, error messages 204 installed personalities and options 228 installing printer 16 Intellifont 2, 4 interfaces connections, locating 11 operations 81 internal components, diagrams and part numbers 266 INTR (initial rotation) sequence 72 IP address 46, 246 IPX/SPX settings 51 Index Index305