Figure 75. Orientation of printer and accessories: top, front, and right . . . . . . . . . . . . . . . . . . . . . . . . . 225 Figure 76. Orientation of printer and accessories: rear and left . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226 Figure 77. Attachment bracket, HP Color LaserJet 8550 MFP printer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227 Figure 78. Locking pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227 Figure 79. Removing the front cover . . . . . . . . . . . . . . . . . . . . 228 Figure 80. Front right cover . . . . . . . . . . . . . . . . . . . . . . . . . . . 229 Figure 81. Inside left panel . . . . . . . . . . . . . . .
. . . . . . . . . . . . 230 Figure 82. Filler panel for tray 2. . . . . . . . . . . . . . . . . . . . . . . . 231 Figure 83. Screws behind left door . . . . . . . . . . . . . . . . . . . . . 232 Figure 84. Screws behind right door . . . . . . . . . . . . . . . . . . . . 232 Figure 85. Connector on top cover . . . . . . . . . . . . . . . . . . . . . 233 Figure 86. Left door and strap . . . . . . . . . . . . . . . . . . . . . . . . . 234 Figure 87. Screws on left rear cover . . . . . . . . . . . . . . . . . . . . 235 Figure 88. Screws on upper left door. . . . . . . . . . . . . . . . . . . . 236 Figure 89. Stopper hinges on lower left cover . . . . . . . . . . . . . 237 Figure 90.
Connectors on the right upper door . . . . . . . . . . . . 238 Figure 91. E-ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239 Figure 92. Spring on right cover subassembly . . . . . . . . . . . . 240 Figure 93. Right rear cover . . . . . . . . . . . . . . . . . . . . . . . . . . . 241 Figure 94. Screws on the right lower cover . . . . . . . . . . . . . . . 242 Figure 95. Plate, HP Color LaserJet 8550 MFP printer . . . . . . 243 Figure 96. Rear cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244 Figure 97. Bottom of the control panel. . . . . . . . . . . . . . . . . . . 246 Figure 98. Laser/scanner shield . . . . . . . . . . . . . . . . . . . .
. . . 247 Figure 99. Scanner unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248 Figure 100. Upper airflow vent. . . . . . . . . . . . . . . . . . . . . . . . . . 249 Figure 101. Face-down exit sensor rail . . . . . . . . . . . . . . . . . . . 249 Figure 102. Face-down output assembly. . . . . . . . . . . . . . . . . . 250 Figure 103. Toner lock sensor and color cartridge sensor . . . . 251 Figure 104. Subrelay PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252 Figure 105. Formatter board . . . . . . . . . . . . . . . . . . . . . . . . . . . 254 Figure 106. Connector on formatter board . . . . . . . . . . . . . . . . 256 Figure 107.
Back side of formatter board . . . . . . . . . . . . . . . . . 256 Figure 108. Feeder assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 257 Figure 109. Face-up solenoid (1 of 2) . . . . . . . . . . . . . . . . . . . . 258 Figure 110. Face-up solenoid (2 of 2) . . . . . . . . . . . . . . . . . . . . 259 Figure 111. Screws on the face-up exit assembly . . . . . . . . . . . 260 Figure 112. Tray 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261 Figure 113. Pick-up roller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262 Figure 114. Registration roller assembly (front). . . . . . . . . . . . . 263 Figure 115. Registration roller assembly (back) .
. . . . . . . . . . . 264 EN List of Figures 9