Konica Minolta magicolor 2490MF Service Manual page 37

12.3.64 SOFT SWITCH: #62 ................................................................................. 214
12.3.65 SOFT SWITCH: #63 ................................................................................. 214
12.3.66 SOFT SWITCH: #64 ................................................................................. 215
13. Fax Protocols ...................................................................................................... 216
13.1 G3 ECM (G3 Error Correction Mode) ............................................................... 216
13.2 Line control ....................................................................................................... 217
13.2.1 Procedure of G3 mode communication .................................................... 217
13.3 Table of reference code .................................................................................... 218
13.4 How to analyze the T30 protocol monitor ......................................................... 219
Troubleshooting
14. Jam display ......................................................................................................... 227
14.1 Misfeed display ................................................................................................. 227
14.1.1 Misfeed display resetting procedure ......................................................... 227
14.2 Sensor layout.................................................................................................... 228
14.3 Solution ............................................................................................................ 229
14.3.1 Initial check items ..................................................................................... 229
14.3.2 Misfeed at paper feed section................................................................... 229
14.3.3 Misfeed at 2nd transfer section................................................................. 230
14.3.4 Misfeed at fusing section .......................................................................... 231
14.3.5 Misfeed at exit section .............................................................................. 232
14.3.6 Undefined misfeed .................................................................................... 233
15. Error codes ......................................................................................................... 234
15.1 Trouble display.................................................................................................. 234
15.2 Trouble code list................................................................................................ 234
15.3 How to reset ..................................................................................................... 236
15.4 Solution ............................................................................................................ 237
15.4.1 04H: Printer control board malfunction ..................................................... 237
15.4.2 05H: Flash ROM malfunction.................................................................... 237
15.4.3 08H: Main motor malfunction.................................................................... 237
15.4.4 0BH: Ventilation fan motor malfunction..................................................... 238
15.4.5 0CH: Power supply cooling fan motor malfunction ................................... 238
15.4.6 10H: Polygon motor malfunction............................................................... 239
15.4.7 12H: Laser malfunction............................................................................. 239
15.4.8 14h: 2nd image transfer pressure/retraction failure .................................. 240
15.4.9 15H: Cleaning blade pressure/retraction failure........................................ 241
15.4.10 16H: Transfer belt rotation failure .............................................................. 241
15.4.11 17H: Rack rotation failure ......................................................................... 242
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Field Service Ver. 1.0 Jul. 2006