Toshiba e-STUDIO206L Service Manual page 20

8.4.5 Blurred image ................................................................................................ 8-296
8.4.6 Poor fusing..................................................................................................... 8-297
8.4.7 Blank copy ..................................................................................................... 8-298
8.4.8 Solid copy ...................................................................................................... 8-299
8.4.9 White banding or white void (in the feeding direction) ................................... 8-300
8.4.10 White banding (at right angle with the feeding direction) ............................... 8-302
8.4.11 Skew (inclined image).................................................................................... 8-303
8.4.12 Black banding (in the feeding direction)......................................................... 8-304
8.4.13 Black banding (at right angle with the feeding direction) ............................... 8-305
8.4.14 White spots .................................................................................................... 8-306
8.4.15 Poor image transfer ....................................................................................... 8-307
8.4.16 Uneven image density ................................................................................... 8-308
8.4.17 Faded image (low density, abnormal gray balance) ...................................... 8-309
8.4.18 Image dislocation in feeding direction............................................................ 8-310
8.4.19 Jittering image ............................................................................................... 8-311
8.4.20 Poor cleaning................................................................................................. 8-312
8.4.21 Uneven light distribution ................................................................................ 8-313
8.4.22 Blotched image .............................................................................................. 8-314
8.4.23 Black streaks on image leading edge during scanning.................................. 8-315
8.5 Other Errors .................................................................................................................. 8-316
8.5.1 When "SET FUSER UNIT" is displayed......................................................... 8-316
8.5.2 Hard disk full error "H04" is displayed............................................................ 8-316
8.5.3 Error code "M00" is displayed while updating firmware ................................. 8-316
9. REPLACEMENT OF HDD/PC BOARDS ...................................................................... 9-1
9.1 Installation and Replacement of PC boards <e-STUDIO206L/256/306/356/456/506>..... 9-1
9.1.1 System control PC board (SYS board) .............................................................. 9-1
9.1.2 Hard disk (HDD) ................................................................................................ 9-1
9.1.3 LGC board (e-STUDIO206L/256/306) ............................................................... 9-3
9.1.4 LGC board (e-STUDIO356/456/506) ................................................................. 9-4
9.1.5 MOT board (e-STUDIO206L/256/306) .............................................................. 9-4
9.1.6 MOT2 board (e-STUDIO356/456/506) .............................................................. 9-5
9.1.7 Switching regulator ............................................................................................ 9-5
9.1.8 High-voltage transformer ................................................................................... 9-6
9.1.9 SRAM board ...................................................................................................... 9-7
9.2 Installation and Replacement of PC boards <e-STUDIO207L/257/307/357/457/507>..... 9-8
9.2.1 System control PC board (SYS board) .............................................................. 9-8
9.2.2 Hard disk (HDD) ................................................................................................ 9-9
9.2.3 LGC board (e-STUDIO207L/257/307) ............................................................. 9-10
9.2.4 LGC board (e-STUDIO357/457/507) ............................................................... 9-11
9.2.5 MOT board (e-STUDIO207L/257/307) ............................................................ 9-11
9.2.6 MOT2 board (e-STUDIO357/457/507) ............................................................ 9-12
9.2.7 Switching regulator .......................................................................................... 9-12
9.2.8 High-voltage transformer ................................................................................. 9-13
9.2.9 SRAM board .................................................................................................... 9-14
9.3 Precautions and Procedures for Replacing PC Boards and HDD .................................. 9-16
9.3.1 Precautions when replacing PC boards........................................................... 9-16
9.3.2 HDD fault diagnosis ......................................................................................... 9-17
9.3.3 Precautions and procedures when replacing the HDD .................................... 9-19
9.3.4 Precautions and Procedures when replacing the SYS board .......................... 9-24
9.3.5 Procedures when replacing the LGC board..................................................... 9-28
9.3.6 Procedure when replacing the battery on LGC board ..................................... 9-29
9.3.7 Procedures when replacing the SLG board (e-STUDIO206L/256/306/356/456/506)
......................................................................................................................... 9-29
9.3.8 Precautions and Procedures when replacing SRAM board............................. 9-31
9.3.9 Procedures when replacing EEPROM............................................................. 9-37
9.3.10 Firmware confirmation after the PC board/HDD replacement ......................... 9-38
9.3.11 License re-registration using the one-time dongle ........................................... 9-39
9.4 Precautions for Installation of GP-1070 and Disposal of HDD/Board ............................. 9-41
e-STUDIO206L/256/306/356/456/506 / 207L/257/307/357/457/507
CONTENTS
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