Konica Minolta bizhub C353 Service Manual page 43

18.1 How to read element date ................................................................................ 553
18.1.1 Table number ............................................................................................ 554
18.1.2 Level history 1........................................................................................... 555
18.1.3 Level history 2........................................................................................... 556
18.2 How to identify problematic part ....................................................................... 557
18.2.1 Initial check items ..................................................................................... 557
18.3 Solution ............................................................................................................ 559
18.3.1 Scanner system: white lines in sub scan direction, white bands in sub scan
direction, colored lines in sub scan direction, and colored bands in sub scan
direction .................................................................................................... 559
18.3.2 Scanner system: white lines in main scan direction, white bands in main
scan direction, colored lines in main scan direction, and colored bands in
main scan direction................................................................................... 561
18.3.3 Scanner system: color spots..................................................................... 562
18.3.4 Scanner system: fog ................................................................................. 563
18.3.5 Scanner system: blurred image, blotchy image ........................................ 564
18.3.6 Scanner system: incorrect color image registration, sync shift (lines in main
scan direction)565
18.3.7 Scanner system: moire ............................................................................. 566
18.3.8 Scanner system: skewed image ............................................................... 567
18.3.9 Scanner system: distorted image ............................................................. 568
18.3.10 Scanner system: low image density, rough image.................................... 569
18.3.11 Scanner system: defective ACS................................................................ 570
18.3.12 Scanner system: blank copy, black copy................................................... 571
18.3.13 Scanner system: abnormal image ............................................................ 572
18.3.14 Scanner system: uneven density .............................................................. 573
18.3.15 Printer monocolor: white lines in sub scan direction, white bands in sub scan
direction, colored lines colored bands in sub scan direction..................... 574
18.3.16 Printer monocolor: white lines in main scan direction, white bands in main
scan direction, colored lines in main scan direction, colored bands in main
scan direction............................................................................................ 575
18.3.17 Printer monocolor: uneven density in sub scan direction ......................... 576
18.3.18 Printer monocolor: uneven density in main scan direction ....................... 577
18.3.19 Printer monocolor: low image density....................................................... 578
18.3.20 Printer monocolor: gradation reproduction failure..................................... 580
18.3.21 Printer monocolor: foggy background ....................................................... 581
18.3.22 Printer monocolor: void areas, white spots............................................... 583
18.3.23 Printer monocolor: colored spots.............................................................. 584
18.3.24 Printer monocolor: blurred image ............................................................. 585
18.3.25 Printer monocolor: blank copy, black copy................................................ 586
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Field Service Ver. 4.0 Jun. 2008