FrameMaker Ver.5.5(PC) Di251/Di351 TROUBLESHOOTING
05.03.01
T-49
(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
DC24 V to DC0 V when step 1 is per-
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.
Summary of Contents for Di251
Page 1: ...Di251 Di351 SERVICE MANUAL GENERAL 4011 7990 11 ...
Page 2: ...INDEX GENERAL GENERAL MECHANICAL ELECTRICAL ...
Page 3: ...GENERAL ...
Page 18: ...MECHANICAL ELECTRICAL ...
Page 24: ...M 4 3 DRIVE SYSTEM 1 Scanner Motor M10 2 Main Motor M2 3 I C Motor M1 1 3 2 4011M002AA ...
Page 71: ...Di251 Di351 SERVICE MANUAL FIELD SERVICE 4011 7991 11 ...
Page 83: ...Di251 Di351 Allgemein Mechanik Elektrik Rev 1 1 0 03 01 I 1 INSTALLATION 3 ...
Page 88: ...Di251 DI351 Rev 1 1 0 03 01 I 6 ...
Page 93: ...I 5 Di251 Di351 Rev 11 0 0 03 01 10 Grounding plate screws 3 1 2 3 4 5 6 7 8 9 10 ...
Page 99: ...I 11 Di251 Di351 Rev 11 0 0 03 01 6 Fit the Exit Tray 7 Close the Finisher Cover ...
Page 178: ...I 90 Di251 Di351 Rev 1 1 0 0 03 01 ...
Page 179: ...DIS REASSEMBLY ADJUSTMENT 10230 ...
Page 241: ...SWITCHES ON PWBs TECH REP SETTINGS 17196 ...
Page 296: ...TROUBLESHOOTING 14413 ...