Colored Lines In Fd, Colored Bands In Fd, White Lines In Cd White Bands In Cd, Colored Lines In Cd, Colored Bands In Cd - Minolta CF2002 Service Manual

(14) Printer Monocolor: white lines in FD, white bands in FD, colored lines in FD,
colored bands in FD, white lines in CD, white bands in CD, colored lines in CD,
colored bands in CD
White lines in FD White bands in FD Colored lines in FD Colored bands in FD
4011T015AA
White lines in CD White bands in CD Colored lines in CD Colored bands in CD
4011T016AA
<Troubleshooting Procedure>
Section Step
Image 1 A white line or black line in FD is
check sharp.
IU 2 The surface of the PC Drum is
scratched.
LED Assy 3 The surface of the lens array is
dirty.
IU 4 Dirty on the outside.
5 Connectors and contact termi-
nals make good connection
between each IU and LED Assy.
6 Developing bias contact termi-
nal makes good connection.
7 The problem has been elimi-
nated through the checks of
steps up to 6.
<Typical Faulty Images>
4011T020AA
4011T021AA
Check Item
T-88
4011T017AA 4011T023AA
4011T018AA 4011T022AA
Result Action
YES Perform LPH Chip Adjust.
NO Clean the Comb Electrode by
moving the Comb Electrode
Cleaning Lever.
YES Change IU.
YES Clean with cleaning jig.
YES Clean.
NO Clean contact terminals.
Reconnect.
NO Clean contact terminal and
check terminal position.
NO Change IU.
→
Change Image Transfer
Belt Unit.
→
Change LPH Assy.