Figure 5-120 Removing the power supply (5 of 5) ......................................................................................... 177 Figure 5-121 Removing the formatter (1 of 3) ................................................................................................ 178 Figure 5-122 HP LaserJet 3050 all-in-one formatter and LIU ........................................................................ 179 Figure 5-123 HP LaserJet 3052 all-in-one formatter ...................................................................................... 179 Figure 5-124 HP LaserJet 3055 all-in-one formatter and LIU ........................................................................
180 Figure 5-125 Removing the formatter (2 of 3) ................................................................................................ 180 Figure 5-126 Removing the formatter (3 of 3) ................................................................................................ 181 Figure 5-127 Removing the scanner support-frame (1 of 4) .......................................................................... 182 Figure 5-128 Removing the scanner support-frame (2 of 4) .......................................................................... 183 Figure 5-129 Removing the scanner support-frame (3 of 4) ..........................................................................
183 Figure 5-130 Removing the scanner support-frame (4 of 4) .......................................................................... 184 Figure 5-131 Removing the ECU (1 of 6) ....................................................................................................... 185 Figure 5-132 Removing the ECU (2 of 6) ....................................................................................................... 186 Figure 5-133 Removing the ECU (3 of 6) .......................................................................................................
186 Figure 5-134 Removing the ECU (4 of 6) ....................................................................................................... 187 Figure 5-135 Removing the ECU (5 of 6) ....................................................................................................... 187 Figure 5-136 Removing the ECU (6 of 6) ....................................................................................................... 188 Figure 5-137 Removing the laser/scanner assembly .....................................................................................
189 Figure 5-138 Removing the main motor (1 of 2) ............................................................................................ 190 Figure 5-139 Removing the main motor (2 of 2) ............................................................................................ 191 Figure 5-140 Removing the fuser assembly (1 of 2) ...................................................................................... 192 Figure 5-141 Removing the fuser assembly (2 of 2) ......................................................................................
193 Figure 5-142 Removing the paper-pickup assembly ...................................................................................... 194 Figure 6-1 Print-cartridge high-voltage contacts ............................................................................................ 249 Figure 6-2 High-voltage contacts ................................................................................................................... 250 Figure 6-3 Example of a T.30 trace of a successfully sent fax .......................................................................
276 Figure 6-4 Example of a T.30 trace of a successfully received fax ................................................................ 277 Figure 6-5 Repetitive image defect ruler ........................................................................................................ 278 Figure 7-1 Major components ........................................................................................................................ 288 Figure 7-2 Solenoid, sensors, switches, and motor .......................................................................................
289 Figure 7-3 PCBs ............................................................................................................................................. 290 Figure 7-4 Main wiring, HP LaserJet 3050 all-in-one scanner assembly ....................................................... 291 Figure 7-5 Main wiring, HP LaserJet 3050 all-in-one printer (product base) .................................................. 292 Figure 7-6 Main wiring, HP LaserJet 3052/3055 all-in-one scanner assembly .............................................. 293 Figure 7-7 Main wiring, HP LaserJet 3050/3052/3055 all-in-one printer (product base) ................................
294 Figure 7-8 Formatter connections, HP LaserJet 3050 all-in-one ................................................................... 295 Figure 7-9 Formatter connections, HP LaserJet 3052/3055 all-in-one .......................................................... 296 Figure 7-10 LIU connections, HP LaserJet 3050/3055 all-in-one .................................................................. 297 Figure 7-11 Scanner assembly, HP LaserJet 3050 all-in-one ........................................................................ 298 Figure 7-12 ADF components, HP LaserJet 3050 all-in-one .........................................................................
300 Figure 7-13 Guide assembly, HP LaserJet 3050 all-in-one ........................................................................... 304 Figure 7-14 Scanner assembly, HP LaserJet 3052/3055 all-in-one ............................................................... 306 Figure 7-15 Major assemblies, HP LaserJet 3052/3055 all-in-one ................................................................ 308 Figure 7-16 Scanner components, HP LaserJet 3052/3055 all-in-one .......................................................... 310 Figure 7-17 Printer (product base), HP LaserJet 3050/3052/3055 all-in-one ................................................
314 Figure 7-18 External covers, printer (product base) ....................................................................................... 316 Figure 7-19 Formatter and LIU ....................................................................................................................... 318 Figure 7-20 Internal components, printer (product base) (1 of 3) .................................................................. 320 Figure 7-21 Internal components, printer (product base) (2 of 3) ..................................................................
322 Figure 7-22 Internal components, printer (product base) (3 of 3) .................................................................. 324 xviii ENWW