© 2008 - 2011 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO2020C/2330C/2820C/2830C/3520C/3530C/4520CCONTENTS57.1.13 SRAM board ............................................................................... 7-137.2 Precautions, Procedures and Settings for Replacing PC Boards and HDD ...................... 7-157.2.1 Precautions when replacing PC boards ................................................................. 7-157.2.2 HDD fault diagnosis................................................................................................ 7-167.2.3 Precautions and procedures when replacing the HDD........................................... 7-187.2.4 Precautions and Procedures when replacing the SYS board ................................ 7-237.2.5 Procedures and settings when replacing the SLG board ...................................... 7-247.2.6 Precautions and procedure when replacing the SRAM board (for the SYS board) 7-257.2.7 Procedures and settings when replacing SRAM board (for LGC board)................ 7-297.2.8 Firmware confirmation after the PC board/HDD replacement ................................ 7-317.2.9 Electronic key re-registration using the one-time dongle........................................ 7-327.3 Precautions for Installation of GP-1070 and Disposal of HDD/Board................................ 7-337.3.1 Precautions for Installation of GP-1070 and Disposal of HDD/Board..................... 7-337.3.2 Precautions when disposing of the SYS board ...................................................... 7-337.3.3 Precautions when disposing of the SRAM board ................................................... 7-338. FIRMWARE UPDATING ............................................................................................... 8-18.1 Firmware Updating with USB Media.................................................................................... 8-58.1.1 Master data/System ROM/Engine ROM/Scanner ROM........................................... 8-78.1.2 Imaging Acceleration Board ROM (GE-1170) ........................................................ 8-178.2 Firmware Updating with PWA-DWNLD-350-JIG2 ............................................................. 8-238.2.1 Writing the data to the download jig (PWA-DWNLD-350-JIG2) ............................. 8-248.2.2 System ROM .......................................................................................................... 8-278.2.3 Engine ROM ........................................................................................................... 8-298.3 Firmware Updating with K-PWA-DLM-320 ........................................................................ 8-328.3.1 Scanner ROM......................................................................................................... 8-338.3.2 RADF firmware (MR-3018)..................................................................................... 8-358.3.3 Finisher firmware (MJ-1101)................................................................................... 8-378.3.4 Converter Firmware (MJ-1101) .............................................................................. 8-398.3.5 Hole punch unit firmware (MJ-6101) ...................................................................... 8-438.3.6 Finisher firmware/Saddle stitcher firmware (MJ-1030) ........................................... 8-478.3.7 Finisher firmware (MJ-1031)................................................................................... 8-518.3.8 Fax unit firmware (GD-1250) .................................................................................. 8-548.4 Confirmation of the updated data ...................................................................................... 8-568.5 When Firmware Updating Fails ......................................................................................... 8-578.5.1 Procedure ............................................................................................................... 8-578.5.2 Flow chart for correcting USB update failure.......................................................... 8-589. POWER SUPPLY UNIT ................................................................................................ 9-19.1 General description.............................................................................................................. 9-19.2 Construction......................................................................................................................... 9-19.3 Operation of DC Output Circuits .......................................................................................... 9-29.4 Output Channel ................................................................................................................... 9-39.5 Fuse..................................................................................................................................... 9-59.6 Configuration of Power Supply Unit..................................................................................... 9-69.7 Sequence of Power Supply ................................................................................................. 9-79.8 AC Wire Harness ................................................................................................................. 9-910. DC WIRE HARNESS / ELECTRIC PARTS LAYOUT................................................. 10-110.1 DC Wire Harness............................................................................................................... 10-110.2 Electric Parts Layout.......................................................................................................... 10-2
