HP 8550 Service Manual - Page 329
Removal and replacement
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6 Removal and replacement Chapter contents Required tools 331 Repair notices 332 Copy module 333 Identifying the external covers 333 Removing the lower front cover 334 Removing the upper right cover 334 Removing the upper rear cover 335 Removing the upper left cover 335 Removing the rear cover 336 Removing the upper front cover 337 Removing the scanner motor 338 Removing the scanner motor driver PCB 339 Removing DIMMs on the reader controller PCB . . . . 340 Removing the control panel 344 Removing the LCD assembly 346 Removing the flexible cable 353 Removing the scanning lamp and scanning lamp heater 353 Removing the standard white plate cover 363 Removing the intensity-detection PCB 364 Removing the lens-mount cover and CCD unit . . . . . 365 Removing the electrical unit pullout 367 Removing the reader controller PCB 370 Removing the ECO-2 PCB 371 EN Chapter contents 327