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Alignment & Troubleshooting
Service Manual
4-104
3) Dark Image or Black Image
Check the state of the
connector which connects
the engine board and
HVPS
Re-connect connector of the
engine board and HVPS.
Check the state of Black image.
Check the charge voltage
output of HVPS
Replace the HVPS.
Charge voltage is not
turned because of
contamination between
power supply in the side
of the drum cartridge and
charge terminal of HVPS.
Clean the high voltage charge
terminal.
YES, the state of connector is not good.
YES, No charge voltage in the HVPS board
.
YES
NO
NO
Description : The printed image is dark or black.
[ Wrong Part ]
1. HVPS
Summary of Contents for MFX-C4000
Page 2: ......
Page 14: ...Precautions Service Manual 1 6 ...
Page 35: ...Service Manual 2 21 Video Controller Power Distribution Product Specifications and Features ...
Page 37: ...Service Manual 2 23 Engine Controller Power Distribution Product Specifications and Features ...
Page 39: ...Service Manual 2 25 DADF Block Diagram Product Specifications and Features ...
Page 106: ...Maintenance and Disassembly Service Manual 3 44 ...
Page 216: ...Alignment Troubleshooting Service Manual 4 110 ...
Page 217: ...System Diagram Service Manual 5 1 5 System Diagram 5 1 Block Diagram 5 1 1 System ...
Page 218: ...System Diagram Service Manual 5 2 5 1 2 Video Controller ...
Page 219: ...System Diagram Service Manual 5 3 5 1 3 Engin Controller ...
Page 220: ...System Diagram Service Manual 5 4 5 1 4 OPE Unit ...
Page 221: ...System Diagram Service Manual 5 5 5 1 5 DADF ...
Page 222: ...System Diagram Service Manual 5 6 5 1 6 SCF HCF ...
Page 225: ...System Diagram Service Manual 5 9 5 2 3 OPE Unit ...
Page 226: ...System Diagram Service Manual 5 10 5 2 4 DADF ...
Page 227: ...System Diagram Service Manual 5 11 5 2 5 SCF HCF ...
Page 228: ...System Diagram Service Manual 5 12 ...
Page 237: ...Reference Information Service Manual 6 9 ...
Page 238: ...Reference Information Service Manual 6 10 ...
Page 239: ...Reference Information Service Manual 6 11 ...
Page 240: ...Reference Information Service Manual 6 12 ...
Page 279: ......