Table of Contents
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7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.3.6
7.3.7
7.3.8
7.3.9
7.3.10 Replacing the waste collector ................................................................. 326
7.3.11 Replacing the fine filter ........................................................................... 330
8
Correcting faults.................................................................................................. 337
8.1
Overview................................................................................................................ 337
8.2
Processing messages on the operator panel ....................................................... 338
8.2.1
8.2.2
8.3
Clogged toner suction ........................................................................................... 343
8.4
Poor print quality ................................................................................................... 348
8.4.1
8.4.2
8.5
Poor fusing quality ................................................................................................ 351
8.6
Permitting or blocking remote access ................................................................... 352
Appendix ...................................................................................................................... 355
Overview......................................................................................................................... 355
Consumables ................................................................................................................. 356
Consumables for VarioStream 7450 CX, VarioStream 7550 CX,
Expendables .................................................................................................................. 361
A29246-X20-X-4-7680 / fa_20_baIVZ.fm
Replacing the photoconductor drum ..................................................... 257
Run in photoconductor drum .................................................................. 263
Replacing the cleaning brush ................................................................ 263
Replacing corotrons ............................................................................... 269
7.3.4.1
Preparing corotron replacement .............................................. 270
7.3.4.2
Replacing the transfer corotron (1 cartridge) (pinfed) ............. 271
7.3.4.3
Replacing the transfer corotron (torn wire) (pinfed) ................ 275
7.3.4.4
Replacing charge corotrons (5 cartridges) .............................. 278
7.3.4.5
Replacing charge corotrons (torn wire) ................................... 281
7.3.4.6
Replacing discharge corotrons (2 cartridges) ......................... 284
7.3.4.7
Replacing the discharge corotron (torn wire) .......................... 287
7.3.4.8
Complete corotron replacement............................................... 290
Replacing the active filter ....................................................................... 291
Replacing the cleaning belt ................................................................... 297
Replacing the heater ............................................................................. 302
Replacing the fuser roller ...................................................................... 312
Replacing the pressure roller ................................................................ 320
Locating a message ............................................................................... 338
Continuing printing after errors have been corrected ............................. 341
Poor printing ........................................................................................... 348
Poor printing, cause and correction ........................................................ 349
VarioStream 7650 CX ............................................................................. 359
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