HP 1200 Service Manual - Page 203

paper path cleaning 47 selecting 37 testing 155 paper pickup assembly diagrams and part numbers 172, 182 removing 114 paper pickup roller. See pickup roller paper top sensor (PS402) 67, 69 parallel cable, ordering 169 parallel port, locating 21 part numbers alphabetical list 188 numerical list 191 partial characters, troubleshooting 139, 141 parts ordering 168 removing and replacing 77 user-replaceable 40 path copier/scanner 72 feeding operations 67, 68 output, selecting 37 print, cleaning 47 scanner, cleaning 51 testing 155 PCL (Printer Command Language) 57 periods. See stages Phillips screwdrivers 77 phone numbers, ordering supplies 168 photosensitive drum inspecting 137 operations 64, 65, 66 rotation functional checks 151 troubleshooting 139 photosensors locating 70 paper feed system 67 physical specifications 16 pickup assembly diagrams and part numbers 172, 182 removing 114 pickup delay jams 69 pickup roller cleaning 49 life expectancy 40 observing 155 operations 67 replacing 41 shaft, removing 117 pickup solenoid (SL001) locating 70 observing 155 operations 67, 69 removing 108 pickup stationary jam 69 EN pins heating element 152 high-voltage power supply 154 PJL (Printer Job Language) commands, using 158 features 57 NVRAM variables 156, 157 plate assemblies, removing 118, 119 pliers, required 77 polling, settings 131 ports ECP (Extended Capabilities) 55 locating 21 troubleshooting 131 power specifications 17 troubleshooting 130 power cable, ordering 169 power receptacle, locating 21 power supplies disconnecting 77 ECU 62 testing high-voltage 153 power switch 21 PoziDriv screwdrivers 77 ppm (pages per minute) 17 preprinted paper, loading 35 preservice checklist 78 pressure roller, operations 66 primary charging roller operations 65 power supply 63 print cartridges. See toner cartridges print density troubleshooting 139 voltage operations 63 print path cleaning 47 feeding operations 67, 68 selecting 37 testing 155 PRINT period 73 print quality, troubleshooting 138 print servers, ordering 169 Printer Command Language (PCL) 57 printer drivers, ordering 168 Printer Job Language (PJL) commands, using 158 features 57 NVRAM variables 156, 157 Index 201