Toshiba e-STUDIO6520C Service Handbook page 23

7. REPLACEMENT OF PC BOARDS/HDD ...................................................................... 7-1
7.1 Removal and Installation of PC Boards/HDD ...................................................................... 7-1
7.1.1 SYS board cover ...................................................................................................... 7-1
7.1.2 SYS board (SYS) ..................................................................................................... 7-1
7.1.3 SYS board case ....................................................................................................... 7-2
7.1.4 SYS board cooling fan (F27) .................................................................................... 7-3
7.1.5 IMG board (IMG) ...................................................................................................... 7-4
7.1.6 LGC board (LGC) ..................................................................................................... 7-5
7.1.7 LGC board case ....................................................................................................... 7-6
7.1.8 PFC board (PFC) ..................................................................................................... 7-7
7.1.9 PFC board case ....................................................................................................... 7-8
7.1.10 Hard disk (HDD) ....................................................................................................... 7-9
7.1.11 HDD cooling fan (F28)............................................................................................ 7-10
7.1.12 SRAM board <for LGC board> (RAM-L) ................................................................ 7-12
7.1.13 SRAM board <for SYS board> (RAM-S) ................................................................ 7-13
7.1.14 Switching regulator (PS)......................................................................................... 7-14
7.1.15 High-voltage transformer-1 (HVT1) ........................................................................ 7-16
7.1.16 High-voltage transformer-2 (HVT2) ........................................................................ 7-16
7.1.17 FIL board ................................................................................................................ 7-18
7.2 Precautions, Procedures and Settings for Replacing PC Boards and HDD ...................... 7-19
7.2.1 Precautions when replacing PC boards ................................................................. 7-19
7.2.2 HDD fault diagnosis................................................................................................ 7-20
7.2.3 Precautions and procedures when replacing the HDD........................................... 7-22
7.2.4 Precautions and Procedures when replacing the SYS board ................................ 7-27
7.2.5 Procedures and settings when replacing the SLG board ...................................... 7-28
7.2.6 Precautions and Procedures when replacing SRAM board (for SYS board) ......... 7-29
7.2.7 Precautions and Procedures when replacing SRAM board (for LGC board) ......... 7-33
7.2.8 Firmware confirmation after the PC board/HDD replacement ................................ 7-35
7.2.9 Electronic key re-registration using the one-time dongle........................................ 7-36
7.3 Precautions for Installation of GP-1070 and Disposal of HDD/Board................................ 7-37
7.3.1 Precautions for Installation of GP-1070 and Disposal of HDD/Board..................... 7-37
7.3.2 Precautions when disposing of the SYS board ...................................................... 7-37
7.3.3 Precautions when disposing of the SRAM board ................................................... 7-37
8. FIRMWARE UPDATING ............................................................................................... 8-1
8.1 Firmware Updating with USB Media.................................................................................... 8-5
8.1.1 Master data/System ROM/PFC ROM/Engine ROM/Scanner ROM ......................... 8-7
8.1.2 Imaging Acceleration Board ROM (GE-1170) ........................................................ 8-17
8.2 Firmware Updating with PWA-DWNLD-350-JIG2 ............................................................. 8-22
8.2.1 Writing the data to the download jig (PWA-DWNLD-350-JIG2) ............................. 8-23
8.2.2 System ROM .......................................................................................................... 8-26
8.2.3 Engine ROM ........................................................................................................... 8-28
8.2.4 PFC ROM ............................................................................................................... 8-30
8.3 Firmware Updating with K-PWA-DLM-320 ........................................................................ 8-32
8.3.1 Scanner ROM......................................................................................................... 8-33
8.3.2 RADF firmware ....................................................................................................... 8-36
8.3.3 Finisher firmware (MJ-1103/1104).......................................................................... 8-38
8.3.4 Saddle stitcher firmware (MJ-1104)........................................................................ 8-40
8.3.5 Hole punch unit firmware (MJ-6102) ...................................................................... 8-42
8.3.6 Converter Firmware (MJ-1103/1104) ..................................................................... 8-45
8.3.7 Fax unit firmware (GD-1270) .................................................................................. 8-47
8.4 Confirmation of the updated data ...................................................................................... 8-50
8.5 When Firmware Updating Fails ......................................................................................... 8-51
8.5.1 Procedure ............................................................................................................... 8-51
8.5.2 Flow chart for correcting USB update failure.......................................................... 8-52
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