FrameMaker Ver.5.5(PC) Di251/Di351 TROUBLESHOOTING
05.03.01
T- 4 9
(2) Black Copy
Section Step Check Result Action
Engine
1 Comb Electrode contact terminal is
dirty or deformed.
YES Clean or change.
2 Grid voltage contact terminal is dirty or
deformed.
YES Clean or change.
NO Change I/C.
Change PH Assy.
Change High Voltage
Unit.
Change Master Board.
IR
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.”
YES Check step 5 and
onward.
2 The voltage across CN13BCR-1 on
BCR Board and GND changes from
DC24VtoDC0Vwhenstep1isper-
formed again.
NO Change BCR Board.
Change MFB2 Board.
3 An AC voltage is output from Inverter
Board 1 to Exposure Lamp when step
1 is performed again.
YES Change Exposure Lamp.
NO Change Inverter Board
1.
4 CCD2 Board and MFB2 Board are
connected properly.
NO Correct.
5 MFB2 Board and Master Board are
connected properly.
YES Change CCD Unit.
Change MFB2 Board.
NO Correct.
<Typical Faulty Images>
4011T517AA 4011T537AA
When engine is faulty. When IR is faulty.
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