List of figures Figure 1-1 HP Color LaserJet 4500 family printers . . . . . . . . . . . .2 Figure 1-2 Serial number information. . . . . . . . . . . . . . . . . . . . . . .5 Figure 1-3 Sample label. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Figure 1-4 Space requirements . . . . . . . . . . . . . . . . . . . . . . . . . . .8 Figure 1-5 Front view (shown with 500-sheet paper feeder and duplex unit) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Figure 1-6 Rear view (shown with 500-sheet paper feeder and duplex unit) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 Figure 3-1 Package contents . . . . . . . . . . . . . . . . . . . . . . . . . . .
.41 Figure 3-2 Parallel cable with a “C” connector. . . . . . . . . . . . . . .53 Figure 4-1 Imaging drum life . . . . . . . . . . . . . . . . . . . . . . . . . . . .75 Figure 4-2 OPC life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76 Figure 4-3 Location of consumables . . . . . . . . . . . . . . . . . . . . . .78 Figure 4-4 Removing the formatter board . . . . . . . . . . . . . . . . . .92 Figure 4-5 Do not remove the DIMM in slot #4. . . . . . . . . . . . . . .93 Figure 4-6 EDO and SDRAM memory modules . . . . . . . . . . . . .93 Figure 5-1 Basic system operation. . . . . . . . . . . . . . . . . . . . . . . .97 Figure 5-2 Image formation . . . . . . . . . . . . .
. . . . . . . . . . . . . . . .98 Figure 5-3 Primary charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99 Figure 5-4 Laser exposure. . . . . . . . . . . . . . . . . . . . . . . . . . . . .100 Figure 5-5 Development. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101 Figure 5-6 Primary transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . .102 Figure 5-7 Secondary transfer . . . . . . . . . . . . . . . . . . . . . . . . . .103 Figure 5-8 Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104 Figure 5-9 ITB residual toner cleaning. . . . . . . . . . . . . . . . . . . .105 Figure 5-10 Waste toner to waste toner reservoir . . . . . . .
. . . . .106 Figure 5-11 Fuser. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107 Figure 5-12 Toner density sensor . . . . . . . . . . . . . . . . . . . . . . . .108 Figure 5-13 Photosensitive drum cartridge . . . . . . . . . . . . . . . . .109 Figure 5-14 Waste toner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110 Figure 5-15 Transfer unit function . . . . . . . . . . . . . . . . . . . . . . . .111 Figure 5-16 Home position detection . . . . . . . . . . . . . . . . . . . . . .112 Figure 5-17 ITB unit life detection . . . . . . . . . . . . . . . . . . . . . . . .113 Figure 5-18 Secondary transfer roller unit . . . . . . . . . . . . . . . . .
.114 Figure 5-19 ITB unit contact/separation unit . . . . . . . . . . . . . . . .115 Figure 5-20 Toner carousel assembly . . . . . . . . . . . . . . . . . . . . .116 Figure 5-21 Toner carousel operation . . . . . . . . . . . . . . . . . . . . .117 Figure 5-22 Toner cartridge contact/separation function . . . . . . .118 Figure 5-23 Toner level detection/toner cartridge detection. . . . .119 Figure 5-24 Laser/scanner operation. . . . . . . . . . . . . . . . . . . . . .120 Figure 5-25 Paper jam sensors . . . . . . . . . . . . . . . . . . . . . . . . . .122 Figure 5-26 Tray 2 (cassette) operation. . . . . . . . . . . . . . . . . . . .124 Figure 5-27 Tray 1 manual feed. . . . . . . . . . . . . .
. . . . . . . . . . . .125 Figure 5-28 Laser paper detected . . . . . . . . . . . . . . . . . . . . . . . .126 List of figures vii