Black Copy - Minolta Di200 Service Manual

FrameMaker Ver.5.5(PC) Di200/Di251/Di351 TROUBLESHOOTING
01.01.17
(2)

Black Copy

When engine is faulty.
Section Step
1 Comb Electrode contact terminal is
dirty or deformed.
2 Grid voltage contact terminal is dirty or
deformed.
Engine
1 Exposure Lamp ON check:
Select functions in the following order:
Tech. Rep. Mode → Movement Check
→ Scanner; the Exposure Lamp turns
ON when "ON" is selected for "Lighting
Exposure Lamp."
2 The voltage across CN13BCR-1 on
BCR Board and GND changes from
DC24 V to DC0 V when step 1 is per-
formed again.
IR
3 An AC voltage is output from Inverter
Board 1 to Exposure Lamp when step
1 is performed again.
4 CCD2 Board and MFB2 Board are
connected properly.
5 MFB2 Board and Master Board are
connected properly.
<Typical Faulty Images>
When IR is faulty.
4011T517AA 4011T537AA
Check Result
YES Clean or change.
YES Clean or change.
NO
YES Check step 5 and
NO
YES Change Exposure Lamp.
NO
NO
YES Change CCD Unit.
NO
T-49
Action
Change I/C.
Change PH Assy.
Change High Voltage
Unit.
Change Master Board.
onward.
Change BCR Board.
Change MFB2 Board.
Change Inverter Board
1.
Correct.
Change MFB2 Board.
Correct.