Toshiba e-STUDIO 550 Service Manual page 14

5.1.11 Communication related service call ........................................................................ 5-68
5.1.12 ADF related service call .......................................................................................... 5-71
5.1.13 Laser optical unit related service call ...................................................................... 5-76
5.1.14 Finisher related service call .................................................................................... 5-79
5.1.15 Service call for others ........................................................................................... 5-101
5.1.16 Troubleshooting for image quality control .............................................................. 5-102
5.1.17 Troubleshooting for surface potential control ......................................................... 5-105
5.2 Troubleshooting for the Image ............................................................................................. 5-107
6. FIRMWARE UPDATING ............................................................................................................. 6-1
6. 1. Software Installing for Firmware Updating ............................................................................ 6-2
6. 1. 1. Outline ..................................................................................................................... 6-2
6. 1. 2. Requirements ........................................................................................................... 6-2
6. 1. 3. Dial-up network function .......................................................................................... 6-4
6. 1. 4. Installing of dial-up network ..................................................................................... 6-8
6. 1. 5. Setting of dial-up network ........................................................................................ 6-10
6. 1. 6. Software installing for FTP server ........................................................................... 6-14
6. 2. Operation Procedure in [3][9] Mode ...................................................................................... 6-18
6. 2. 1. Outline ..................................................................................................................... 6-18
6. 2. 2. Preparation .............................................................................................................. 6-18
6. 2. 3. Updating procedure .................................................................................................. 6-20
6. 2. 4. Display ..................................................................................................................... 6-28
6. 3. Firmware Updating with Download Jig .................................................................................. 6-32
6. 3. 1. System firmware ...................................................................................................... 6-33
6. 3. 2. Engine firmware ....................................................................................................... 6-39
7. POWER SUPPLY UNIT ........................................................................................................7-1
7. 1. Output Channel ..................................................................................................................... 7-1
7. 2. Fuse ...................................................................................................................................... 7-5
8. WIRE HARNESS CONNECTION DIAGRAMS ........................................................................8-1
8. 1. AC Wire Harness .................................................................................................................. 8-2
8. 2. DC Wire Harness ................................................................................................. 8-4, Appendix
e-STUDIO550/650/810 CONTENTS JUNE 2002 © TOSHIBA TEC
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