Printer Monocolor: Colored Spots - Minolta CF2002 Service Manual

(21) Printer Monocolor: colored spots

<Troubleshooting Procedure>
Section Step
IU 1 Developing bias contact termi-
nal makes good connection.
2 The surface of the PC Drum is
scratched.
3 Dirty on the outside.
4 The problem has been elimi-
nated through the checks of
steps up to 3.
<Typical Faulty Image>
C F
4011T027AA
Check Item
T-98
Result Action
NO Clean contact terminal and
check terminal position.
YES Change Imaging Unit.
YES Clean.
NO Change IU.