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e-STUDIO3511/4511 CONTENTS iv November 2003 © TOSHIBA TEC
04/10
5. TROUBLESHOOTING .................................................................................................. 5-1
5. Diagnosis and Prescription for Each Error Code ............................................................... 5-1
5.1.1 Paper transport jam (paper exit section) .............................................................. 5-1
5.1.2 Paper misfeeding ................................................................................................. 5-2
5.1.3 Paper transport jam ............................................................................................. 5-8
5.1.4 Other paper jam ................................................................................................. 5-16
5.1.5 Cover open jam ................................................................................................. 5-19
5.1.6 RADF jam .......................................................................................................... 5-23
5.1.7 Finisher jam ....................................................................................................... 5-28
5.1.8 Drive system related service call ....................................................................... 5-41
5.1.9 Paper feeding system related service call ......................................................... 5-42
5.1.10 Scanning system related service call ................................................................. 5-46
5.1.11 Fuser unit related service call ............................................................................ 5-47
5.1.12 Communication related service call ................................................................... 5-50
5.1.13 RADF related service call .................................................................................. 5-51
5.1.14 Circuit related service call .................................................................................. 5-52
5.1.15 Laser optical unit related service call ................................................................. 5-55
5.1.16 Finisher related service call ............................................................................... 5-56
5.1.17 Image control related service call ...................................................................... 5-70
5.1.18 Copy process related service call ...................................................................... 5-74
5.1.19 Toner density control related service call ........................................................... 5-78
5.1.20 Other service call ............................................................................................... 5-82
5.1.21 Error in Internet FAX / Scanning Function.......................................................... 5-83
5.2 Troubleshooting of Image .............................................................................................. 5-100
5.3 Replacement of PC Boards and HDD ............................................................................ 5-137
5.3.1 Replacing HDD ................................................................................................ 5-137
5.3.2 Replacing SYS board....................................................................................... 5-139
5.3.3 Replacing SLG board ...................................................................................... 5-141
5.3.4 NVRAM replacing and clearing ........................................................................ 5-141
6. FIRMWARE UPDATING................................................................................................6-1
6.1 Firmware Updating with Download Jig ............................................................................... 6-2
6.1.1 PWA-DWNLD-350-JIG2 (48 MB)......................................................................... 6-4
6.1.2 PWA-DWNLD-350-JIG1 (16 MB)....................................................................... 6-10
6.1.3 Writing the data to the download jig (PWA-DWNLD-350-JIG) ........................... 6-20
6.1.4 K-PWA-DLM-320 ............................................................................................... 6-21
6.2 Firmware Updating with FSMS (Field Service Manager) ................................................. 6-35
6.3 Firmware Updating with USB Storage Device.................................................................. 6-47
<Appendix> Assist Mode ......................................................................................................... 6-61
7. POWER SUPPLY UNIT ................................................................................................. 7-1
7.1 Output Channel .................................................................................................................. 7-1
7.2 Fuse ................................................................................................................................... 7-3
7.3 Configuration of Power Supply Unit ................................................................................... 7-4