Konica Minolta magicolor 1680MF Service Manual page 40

Field Service Ver. 1.0 Nov. 2008
18.3.8 0310: Laser malfunction............................................................................ 252
18.3.9 0500: Fuser warm-up failure
0503: Thermistor resistance failure........................................................... 252
18.3.10 0502: Thermistor open-circuit failure
0510: Abnormally low fuser temperature
0520: Abnormally high fuser temperature................................................. 253
18.3.11 0F51: Waste toner full sensor malfunction................................................ 253
18.3.12 13C0: Print control board malfunction....................................................... 253
18.3.13 13DD: Backup data error .......................................................................... 254
18.3.14 13F0: Engine control failure ...................................................................... 254
18.3.15 13E2: Engine flash ROM write error ......................................................... 254
18.3.16 0045: Exit tray cooling fan motor malfunction ........................................... 255
18.3.17 0650: Scanner home sensor abnormalities .............................................. 255
18.3.18 14A3: IR lamp malfunction........................................................................ 256
18.3.19 1038: Engine connect error....................................................................... 256
18.3.20 3FFF: Flash ROM write error .................................................................... 257
19. Power supply troubles ......................................................................................... 258
19.1 Machine is not energized at all (DCPU operation check) ................................. 258
19.2 Control panel indicators do not light ................................................................. 258
20. Image quality problems ....................................................................................... 259
20.1 Printer system................................................................................................... 259
20.1.1 White lines/bands, colored lines/bands in sub scan direction ................... 259
20.1.2 White lines/bands, colored lines/bands in main scan direction ................. 260
20.1.3 Uneven density in sub scan direction........................................................ 261
20.1.4 Uneven density in main scan direction...................................................... 262
20.1.5 Low image density .................................................................................... 263
20.1.6 Gradation reproduction failure................................................................... 264
20.1.7 Foggy background..................................................................................... 265
20.1.8 Poor color reproduction............................................................................. 266
20.1.9 Void areas, white spots ............................................................................. 267
20.1.10 Colored spots............................................................................................ 268
20.1.11 Blurred image............................................................................................ 269
20.1.12 Blank copy, black copy .............................................................................. 270
20.1.13 Incorrect color image registration.............................................................. 271
20.1.14 Poor fusing performance, offset ................................................................ 272
20.1.15 Brush effect ............................................................................................... 273
20.1.16 Back marking ............................................................................................ 274
20.1.17 Pitch lines, pitch uneven density ............................................................... 275
21. FAX error ............................................................................................................. 276
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