Toshiba E-Studio 5540c - Page 27

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CONTENTS
11
6.9 Transfer Unit ................................................................................................................... 6-95
6.9.1 Adjustment of the degree of the transfer belt unit parallelization..................... 6-95
6.10 Image Quality Control ..................................................................................................... 6-96
6.10.1 Performing Image Quality Control ................................................................... 6-96
6.11 Fuser Unit........................................................................................................................ 6-96
6.11.1 Gap adjustment for fuser belt thermostats....................................................... 6-96
6.11.2 Gap adjustment for pressure roller thermistors ............................................. 6-100
6.11.3 Gap adjustment for pressure roller thermostats ............................................ 6-103
6.11.4 Gap adjustment for separation plate.............................................................. 6-106
6.12 Reversing Automatic Document Feeder (RADF) .......................................................... 6-112
6.12.1 RADF position adjustment ............................................................................. 6-112
6.12.2 RADF height adjustment................................................................................ 6-117
6.12.3 RADF image skew adjustment ...................................................................... 6-119
6.12.4 RADF leading edge position adjustment ....................................................... 6-121
6.12.5 RADF horizontal position adjustment ............................................................ 6-123
6.12.6 RADF copy ratio adjustment.......................................................................... 6-124
6.12.7 RADF opening/closing switch adjustment ..................................................... 6-125
6.12.8 Original reading start sensor adjustment ....................................................... 6-126
6.12.9 Platen Sheet .................................................................................................. 6-129
7. PREVENTIVE MAINTENANCE (PM)............................................................................ 7-1
7.1 General Description ..........................................................................................................7-1
7.2 PM Display ........................................................................................................................ 7-1
7.2.1 General Description ........................................................................................... 7-1
7.2.2 PM Display Conditions....................................................................................... 7-1
7.2.3 PM Display Contents ......................................................................................... 7-2
7.2.4 Counter Clearing................................................................................................ 7-3
7.3 General Descriptions for PM Procedure ........................................................................... 7-4
7.4 PM Support Mode .............................................................................................................7-5
7.4.1 General Description ........................................................................................... 7-5
7.4.2 Operational flow................................................................................................. 7-5
7.4.3 Operational screen ............................................................................................ 7-6
7.4.4 Access tree ...................................................................................................... 7-11
7.5 General Description ........................................................................................................ 7-13
7.6 Preventive Maintenance Checklist (e-STUDIO5540C/6540C/6550C) ............................ 7-15
7.6.1 Scanner ........................................................................................................... 7-16
7.6.2 Feed unit.......................................................................................................... 7-17
7.6.3 Duplexing unit .................................................................................................. 7-19
7.6.4 Bypass feed unit .............................................................................................. 7-20
7.6.5 Main charger.................................................................................................... 7-21
7.6.6 Drum / Cleaner unit / Filter............................................................................... 7-22
7.6.7 Developer unit (K, Y, M, and C)....................................................................... 7-26
7.6.8 Waste toner box............................................................................................... 7-29
7.6.9 Transfer belt unit / Transfer belt cleaning unit ................................................. 7-30
7.6.10 Image quality control unit................................................................................. 7-33
7.6.11 2nd transfer roller unit...................................................................................... 7-34
7.6.12 Fuser unit......................................................................................................... 7-37
7.6.13 Bridge unit........................................................................................................ 7-40
7.6.14 Paper exit unit.................................................................................................. 7-40
7.6.15 RADF ............................................................................................................... 7-41
7.6.16 LCF (MP-2501) ................................................................................................ 7-42
7.7 Preventive Maintenance Checklist (e-STUDIO5560C/6560C/6570C) ............................ 7-44
7.7.1 Scanner ........................................................................................................... 7-45
7.7.2 Feed unit.......................................................................................................... 7-46
7.7.3 Duplexing unit .................................................................................................. 7-48
7.7.4 Bypass feed unit .............................................................................................. 7-49
7.7.5 Main charger.................................................................................................... 7-50
7.7.6 Drum / Cleaner unit / Filter............................................................................... 7-51
7.7.7 Developer unit (K, Y, M, and C)....................................................................... 7-55