magicolor 8650
Gene
ra
l
Appendix
Field Service Ver. 2.0 Nov. 2007
xii
15.
Power supply trouble........................................................................................... 341
15.1 Machine is not energized at all (DCPU operation check) ................................. 341
15.2 Control panel indicators do not light. ................................................................ 341
15.3 Fusing heaters do not operate ......................................................................... 342
15.4 Power is not supplied to option......................................................................... 342
15.4.1
PC-106/205/406........................................................................................ 342
15.4.2
FS-519/FS-609 ......................................................................................... 342
16.
Image quality problem......................................................................................... 343
16.1 How to read element date ................................................................................ 343
16.1.1
Table No.................................................................................................... 343
16.1.2
Level history1............................................................................................ 343
16.1.3
Level history2............................................................................................ 343
16.2 How to identify problematic part ....................................................................... 344
16.2.1
Initial check items ..................................................................................... 344
16.3 Solution ............................................................................................................ 346
16.3.1
Printer monocolor: white lines in sub scan direction, white bands in sub scan
direction, colored lines colored bands in sub scan direction..................... 346
16.3.2
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............................................................................................ 347
16.3.3
Printer monocolor: uneven density in sub scan direction ......................... 348
16.3.4
Printer monocolor: uneven density in main scan direction ....................... 349
16.3.5
Printer monocolor: low image density....................................................... 350
16.3.6
Printer monocolor: gradation reproduction failure..................................... 352
16.3.7
Printer monocolor: foggy background ....................................................... 353
16.3.8
Printer monocolor: void areas, white spots............................................... 355
16.3.9
Printer monocolor: colored spots .............................................................. 356
16.3.10
Printer monocolor: blurred image ............................................................. 357
16.3.11
Printer monocolor: blank print, black print ................................................ 358
16.3.12
Printer monocolor: uneven image............................................................. 359
16.3.13
Printer 4-color: 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 .................................................................................................... 360
16.3.14
Printer 4-color: 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............................................................................................ 361
16.3.15
Printer 4-color: uneven density in sub scan direction ............................... 362
16.3.16
Printer 4-color: uneven density in main scan direction ............................. 363
16.3.17
Printer 4-color: low image density ............................................................ 364
16.3.18
Printer 4-color: poor color reproduction .................................................... 365
