Toshiba e-STUDIO255 - Page 14

e-STUDIO205L/255/305/355/455 © 2009 TOSHIBA TEC CORPORATION All rights reserved
CONTENTS
4
5.8.3 Checking and cleaning of drum cleaning blade ............................................... 5-44
5.8.4 Checking and cleaning of fuser roller and pressure roller ............................... 5-44
5.8.5 Checking and replacing the transfer roller ....................................................... 5-45
5.9 PM KIT ............................................................................................................................ 5-46
5.10 Maintenance Part List ..................................................................................................... 5-47
5.11 Grease List...................................................................................................................... 5-49
5.12 Operational Items in Overhauling.................................................................................... 5-49
6. ERROR CODE AND TROUBLESHOOTING ................................................................ 6-1
6.1 General Descriptions.........................................................................................................6-1
6.2 Error Code List .................................................................................................................. 6-2
6.2.1 Jam .................................................................................................................... 6-2
6.2.2 Service call ........................................................................................................ 6-8
6.2.3 Error in Internet FAX / Scanning Function ....................................................... 6-13
6.2.4 Printer function error ........................................................................................ 6-23
6.3 Diagnosis and Prescription for Each Error Code ............................................................ 6-26
6.3.1 Paper transport jam ......................................................................................... 6-26
6.3.2 Paper misfeeding............................................................................................. 6-38
6.3.3 Cover open jam ............................................................................................... 6-44
6.3.4 RADF jam ........................................................................................................ 6-48
6.3.5 Finisher jam ..................................................................................................... 6-50
6.3.6 Drive system related service call ..................................................................... 6-64
6.3.7 Paper feeding system related service call ....................................................... 6-65
6.3.8 Scanning system related service call............................................................... 6-69
6.3.9 Fuser unit related service call .......................................................................... 6-71
6.3.10 Communication related service call ................................................................. 6-74
6.3.11 RADF related service call ................................................................................ 6-76
6.3.12 Laser optical unit related service call............................................................... 6-76
6.3.13 Finisher related service call ............................................................................. 6-77
6.3.14 Service call for others .................................................................................... 6-101
6.3.15 Error in Internet FAX / Scanning Function ..................................................... 6-104
6.3.16 Printer function error ...................................................................................... 6-118
6.4 Troubleshooting for the Image ...................................................................................... 6-120
6.4.1 Abnormality of image density / Gray balance ................................................ 6-120
6.4.2 Background fogging....................................................................................... 6-121
6.4.3 Moire/lack of sharpness................................................................................. 6-122
6.4.4 Toner offset.................................................................................................... 6-123
6.4.5 Blurred image ................................................................................................ 6-124
6.4.6 Poor fusing..................................................................................................... 6-125
6.4.7 Blank copy ..................................................................................................... 6-126
6.4.8 Solid copy ...................................................................................................... 6-127
6.4.9 White banding or white viod(in the feeding direction) .................................... 6-128
6.4.10 White banding (at right angle with the feeding direction) ............................... 6-130
6.4.11 Skew (inclined image).................................................................................... 6-131
6.4.12 Black banding (in the feeding direction)......................................................... 6-132
6.4.13 Black banding (at right angle with the feeding direction) ............................... 6-133
6.4.14 White spots .................................................................................................... 6-134
6.4.15 Poor image transfer ....................................................................................... 6-135
6.4.16 Uneven image density ................................................................................... 6-136
6.4.17 Faded image (low density, abnormal gray balance) ...................................... 6-137
6.4.18 Image dislocation in feeding direction............................................................ 6-138
6.4.19 Jittering image ............................................................................................... 6-139
6.4.20 Poor cleaning................................................................................................. 6-140
6.4.21 Uneven light distribution ................................................................................ 6-141
6.4.22 Blotched image .............................................................................................. 6-142
7. REPLACEMANT OF HDD/PC BOARDS...................................................................... 7-1
7.1 Precautions and Procedures for Replacing PC Boards and HDD .................................... 7-1
7.1.1 Precautions when replacing PC boards............................................................. 7-1