Clamp vacuum tubes to service printhead components....................................................................... 236 Installing a thermistor set................................................................................................................ 237 Removing the carriage air manifold................................................................................................. 238 Removing the pressure and vacuum tube.......................................................................................... 239 Installing the carriage air manifold..................................................................................................
240 Removing the carriage encoder reader............................................................................................ 240 Installing the carriage encoder reader ............................................................................................. 242 Removing the carriage from the rail................................................................................................. 242 Disconnecting the lamp power cables.............................................................................................. 243 Disconnecting the ink tube from the ink reservoir...............................................................................
243 Remove the trolley attachment bracket ............................................................................................. 244 Installing the carriage on the rail..................................................................................................... 244 Reconnecting tubes using tube joiner (tube mender)........................................................................... 245 Removing the upper trolley plate..................................................................................................... 246 Installing the upper trolley plate ......................................................................................................
248 Removing the home sensor............................................................................................................. 249 Installing the home sensor .............................................................................................................. 249 Removing the home sensor flag....................................................................................................... 250 Installing the home sensor flag........................................................................................................
250 Carriage Lamp Assemblies..................................................................................251 Remove the user-end lamp cover..................................................................................................... 251 Installing the user-end lamp cover.................................................................................................... 252 Remove the service-end lamp cover ................................................................................................. 252 Install the service-end lamp cover ....................................................................................................
252 Removing the UV Lamp Bulb........................................................................................................... 253 Installing the UV Lamp Bulb ............................................................................................................ 254 Removing the Lamp Glass .............................................................................................................. 255 Installing the lamp glass................................................................................................................. 256 Removing the lamp fan assembly ....................................................................................................
256 Installing the lamp fan ................................................................................................................... 257 Removing a single lamp fan ........................................................................................................... 257 Installing a single lamp fan............................................................................................................. 258 Carriage-drive assemblies ..................................................................................259 Releasing the carriage-drive belt tension ..........................................................................................
259 Removing the carriage-drive idler.................................................................................................... 259 Installing the carriage-drive idler ..................................................................................................... 259 Removing the carriage-drive belt..................................................................................................... 260 Installing the carriage-drive belt ...................................................................................................... 260 Remove the carriage-drive motor.....................................................................................................
261 Remove the carriage-drive timing belt .............................................................................................. 262 Install the carriage-drive motor........................................................................................................ 262 Remove the carriage-drive shaft ...................................................................................................... 262 Remove the carriage-drive assembly housing....................................................................................
263 Remove the rail encoder strip .............................................................................264 Installing the rail encoder strip ........................................................................................................ 264 Removing rail wheel strips.............................................................................................................. 266 Installing a rail wheel strip .............................................................................................................
267 Media-drive media-drive assemblies ..................................................................270 Removing the high-resolution encoder.............................................................................................. 270 Installing the high-resolution encoder ............................................................................................... 273 Set the high-resolution encoder’s readhead spacing .......................................................................... 274 Aligning the high-resolution encoder................................................................................................
275 Turning off AGC (Automatic Gain Control)....................................................................................... 276 Align readhead with AGC turned off............................................................................................... 277 High-resolution encoder incremental signal calibration....................................................................... 278 Activate high-resolution encoder calibration mode............................................................................. 279 Set the reference mark for the high-resolution encoder .......................................................................
279 Turning AGC on for the high-resolution encoder interface .................................................................. 279 Removing the media-drive motor ..................................................................................................... 280 Loosening the media-drive belt tension............................................................................................. 280 Removing the media-drive motor ..................................................................................................... 283 Installing the media-drive motor ......................................................................................................
284 Torque conversion......................................................................................................................... 287 Tensioning the media-drive belt....................................................................................................... 288 Removing the media-drive motor’s encoder ...................................................................................... 288 Installing the media-drive motor’s encoder........................................................................................ 290 Remove an input roller actuator assembly.........................................................................................
291 Install an input actuator assembly.................................................................................................... 293 Calibrate the input roller assembly .................................................................................................. 293 Remove an alignment bar actuator assembly .................................................................................... 294 Part No. CQ114-90035 Rev B HP Scitex FB500 / FB700 Service Manual Page 7 of 510