Konica Minolta PagePro 1390 MF - Manual (Page 145)

T-35
(14) Printer system: Black streaks or bands
(15) Printer system: Offset image
Step Check Result Action
1 Is the media path dirty with toner? YES Clean it.
2 Is the PC Drum scratched or dirty? YES Replace the Drum Cartridge.
3 Is the Fusing Roller scratched or dirty? YES Replace the Fusing Unit
(Fusing Roller).
4 Is the problem eliminated after checks have
been made through step 3? NO Replace the Controller/Image
Control Board (PWB-I).
Step Check Result Action
1 Is the Fusing Roller faulty? YES Replace the Fusing Unit
(Fusing Roller).
2 Is the Image Transfer Roller faulty? YES Replace the Image Transfer
Roller.
4011T017AA 4011T023AA
4136T003AA
Current data Previous data