Toshiba e-studio 6560c - Page 29

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CONTENTS
13
8.3.28 Maintenance error.......................................................................................... 8-267
8.3.29 Network error ................................................................................................. 8-269
8.4 Other errors...................................................................................................................8-281
8.4.1 Drum surface potential sensor control related troubleshooting ..................... 8-281
8.4.2 Troubleshooting at unpacking........................................................................ 8-285
8.4.3 Drum surface potential sensor control related troubleshooting when setting up the
equipment at unpacking (e-STUDIO6550C/6570C only)............................... 8-285
8.4.4 Equipment operation disabled after the installation of option(s) .................... 8-288
8.4.5 Wireless LAN connection disabled ................................................................ 8-288
8.4.6 “Start page” printing disabled after the installation of the EFI Printer Board
(GA-1310, optional) ....................................................................................... 8-289
8.4.7 When the duplexing unit cover open display cannot be released.................. 8-289
8.4.8 Operation of the control panel locked at the power-ON and the locking cannot be
canceled ........................................................................................................ 8-289
8.4.9 Troubleshooting for one-time dongle ............................................................. 8-289
8.4.10 Countermeasure for stain on paper back side............................................... 8-290
8.4.11 Measures against exit paper side deviation................................................... 8-290
8.4.12 Troubleshooting for abnormal sound from fuser unit ..................................... 8-292
8.4.13 “Authentication Failed” is displayed ............................................................... 8-292
8.4.14 Hard disk full error “H04” is displayed............................................................ 8-292
8.4.15 When the First copy time / First print output time (for black) in the MFP with 55 cpm
exceeds approx. 5.3 sec................................................................................ 8-292
8.4.16 Error code “M00” is displayed while updating firmware ................................. 8-293
8.5 Troubleshooting for the Image ...................................................................................... 8-294
8.5.1 Color deviation............................................................................................... 8-294
8.5.2 Uneven pitch and jitter image ........................................................................ 8-296
8.5.3 Black spot / color point................................................................................... 8-298
8.5.4 Poor image density, color reproduction and gray balance............................. 8-299
8.5.5 Background fogging....................................................................................... 8-301
8.5.6 Moire/lack of sharpness................................................................................. 8-303
8.5.7 Toner offset.................................................................................................... 8-305
8.5.8 Blurred image ................................................................................................ 8-307
8.5.9 Poor fusing..................................................................................................... 8-308
8.5.10 Blank print...................................................................................................... 8-309
8.5.11 Solid print....................................................................................................... 8-311
8.5.12 White banding or white void (in feeding direction) ......................................... 8-312
8.5.13 White banding (at right angles to feeding direction) ...................................... 8-314
8.5.14 Skew (slantwise copying) .............................................................................. 8-316
8.5.15 Color banding (in feeding direction)............................................................... 8-317
8.5.16 Color banding (at right angles to feeding direction) ....................................... 8-319
8.5.17 White spots .................................................................................................... 8-320
8.5.18 Poor transfer .................................................................................................. 8-322
8.5.19 Uneven image density 1 ................................................................................ 8-324
8.5.20 Uneven image density 2 ................................................................................ 8-326
8.5.21 Faded image (low density)............................................................................. 8-328
8.5.22 Image dislocation in feeding direction............................................................ 8-330
8.5.23 Image jittering ................................................................................................ 8-331
8.5.24 Poor cleaning................................................................................................. 8-333
8.5.25 Uneven light distribution ................................................................................ 8-334
8.5.26 Blotched image .............................................................................................. 8-335
8.5.27 Stain on the paper back side ......................................................................... 8-336
8.5.28 White void in the halftone .............................................................................. 8-339
8.5.29 Paper wrinkle ................................................................................................. 8-340
8.5.30 Residual image .............................................................................................. 8-341
8.5.31 Feathered image............................................................................................ 8-343
8.5.32 Low density image (rear side)........................................................................ 8-345
8.5.33 Roughness..................................................................................................... 8-347
8.5.34 Image tilting on leading edge......................................................................... 8-348