© 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved
e-STUDIO350/352/353/450/452/453
CONTENTS
3
4.1.1 General description .................................................................................................. 4-1
4.1.2 Operational flow and operational screen.................................................................. 4-1
4.1.3 Work flow of parts replacement................................................................................ 4-6
4.2 General Descriptions for PM Procedure (Maintenance Performed Every 120,000 Output
Pages (e-STUDIO350/352/353) and 150,000 Output Pages (e-STUDIO450/452/453)) ..... 4-7
4.3 Operational Items in Overhauling ........................................................................................ 4-8
4.4 Cleaning the Units which Have Processed 60,000 Output Pages (e-STUDIO350/352/353)
and 75,000 Output Pages (e-STUDIO450/452/453)............................................................ 4-9
4.5 Preventive Maintenance Checklist..................................................................................... 4-10
4.6 PM KIT............................................................................................................................... 4-29
4.7 Jig List ............................................................................................................................... 4-30
4.8 Grease List ........................................................................................................................ 4-31
4.9 Precautions for Storing and Handling Supplies ................................................................. 4-32
4.9.1 Precautions for storing TOSHIBA supplies ............................................................ 4-32
4.9.2 Checking and cleaning of photoconductive drum................................................... 4-33
4.9.3 Checking and cleaning of drum cleaning blade...................................................... 4-34
4.9.4 Checking and cleaning of fuser roller and pressure roller ...................................... 4-34
4.9.5 Checking and replacing the cleaning roller ............................................................ 4-35
5. TROUBLESHOOTING .................................................................................................. 5-1
5.1 Diagnosis and Prescription for Each Error Code ................................................................. 5-1
5.1.1 Paper transport jam.................................................................................................. 5-1
5.1.2 Paper misfeeding ................................................................................................... 5-14
5.1.3 Cover open jam ...................................................................................................... 5-21
5.1.4 Transport jam (RADF) ............................................................................................ 5-26
5.1.5 Finisher jam............................................................................................................ 5-32
5.1.6 Drive system related service call............................................................................ 5-56
5.1.7 Paper feeding system related service call .............................................................. 5-57
5.1.8 Scanning system related service call ..................................................................... 5-63
5.1.9 Fuser unit related service call................................................................................. 5-65
5.1.10 Communication related service call........................................................................ 5-69
5.1.11 RADF related service call (MR-3015)..................................................................... 5-70
5.1.12 RADF related service call (MR-3018)..................................................................... 5-71
5.1.13 Laser optical unit related service call (MR-3018) ................................................... 5-71
5.1.14 Finisher related service call.................................................................................... 5-72
5.1.15 Service call for others............................................................................................. 5-91
5.1.16 Error in Internet FAX / Scanning Function.............................................................. 5-94
5.1.17 Image control related service call......................................................................... 5-108
5.2 Troubleshooting for the Image......................................................................................... 5-109
5.3 Replacement of PC Boards and HDD ............................................................................. 5-131
5.3.1 Replacing HDD..................................................................................................... 5-131
5.3.2 Replacing SYS board ........................................................................................... 5-134
5.3.3 Caution when Data overwrite kit (GP-1050/1060) is installed ............................. 5-136
5.3.4 HDD information display....................................................................................... 5-136
5.3.5 Replacing or clearing NVRAM.............................................................................. 5-139
6. FIRMWARE UPDATING ............................................................................................... 6-1
6.1 Firmware Updating with Download Jig (e-STUDIO350/450) ............................................... 6-3
6.1.1 PWA-DWNLD-350-JIG2 (48 MB) ............................................................................. 6-5
6.1.2 PWA-DWNLD-350-JIG1 (16 MB) .......................................................................... 6-11
6.1.3 Writing the data to the download jig (PWA-DWNLD-350-JIG) .............................. 6-20
6.1.4 K-PWA-DLM-320.................................................................................................... 6-22
6.2 Firmware Updating with Download Jig (e-STUDIO352/353/452/453) ............................... 6-34
6.2.1 PWA-DWNLD-350-JIG2 (48 MB) ........................................................................... 6-36
6.2.2 Writing the data to the download jig (PWA-DWNLD-350-JIG) ............................... 6-50
6.2.3 K-PWA-DLM-320.................................................................................................... 6-52
07/06