HP 4550 Service Manual - Page 375

pins, memory 98 PJL (Printer Job Language) commands 269 Technical Reference Manual 75 placement requirements 20, 21 plates, waste toner transfer 109 pliers 140 Plug and Play 59 ports BNC 65 FIR 68 LocalTalk 64 parallel 58 RJ-45 66 Posidrive screwdrivers 140 postcards printing 32 supported sizes 29 PostScript color matching 250 support 17 pouches, ESD 139 power consumption 22 rating information 19 troubleshooting 216 power button 50 power cord connecting 50 unplugging 139 power receptacle, locating 26 power supplies AC/DC 135 duplex unit 128 high-voltage 136 removing 173 power switch (SW6) locating 25 overcurrent protection 136 PowerSave formatter PCB control 135 power consumption 22 settings 63 preprinted forms 33 presses, commercial 248 pressure release sensor, fusing unit (PS6) 127, 312 pressure release solenoid, duplex feed roller (S3101) 129 pressure, atmospheric 23 pre-troubleshooting checklist 212 primary charge roller 105 primary transfer 107 print in grayscale option 246 print jobs monochrome, affect on drum life 81 settings 278 short 80 print media guide 28 printer drivers color output 244 ordering 43 settings 69 Printer Job Language (PJL) commands 269 Technical Reference Manual 75 printer language support 17 printer status page 286 C7085-90921 printing configuration page 287 event log 292 menu map 271, 294 supplies status page 290 usage page 291 Printing Menu 278 prism mirror 120 Private/Stored Jobs Menu 284 processor 68 production number 18 Publisher, Microsoft 249 punched paper 30 Q quality, troubleshooting 253 Quark Xpress 249 Quick Copy Jobs Menu 283 quick-reference guides, ordering 43 R Radio Frequency Interference (RFI) shield, removing 156 raised spots, troubleshooting 259 raster images 249 rear assemblies, removing 195 rear door interlock switch defeat 316 locating 26 removing 147 switch 135 rear output bin capacity 17 locating 26 recovery, jam 242 recycled paper 33 registration adjustment 130 registration clutch (CL1) 123 registration page 297 registration paper sensor (PS2) 122, 123, 131 registration roller cleaning 78 operations 123 regulatory information power rating 19 release button dark gray 51 top cover 25 remanufactured assemblies 42 removing packing tape 49 parts, important notices 139 sealing tape 52 repair notices 139 repetitive defects causes 265 ruler 266 transparencies 263 replacement intervals consumables 83 imaging drum 80 ITB 114, 296 kits 142 photosensitive drum 112 status page, printing 290 toner cartridges 83, 142 Index 373