
Alignment & Troubleshooting
Service Manual
4-79
Problem Description
Cause Description
Action to Resolve
Vertical Irregular
Image Density for All
Colors
1. Unbalanced T2
Transfer
[1. Unbalanced T2 Transfer]
1.1) Check the THV value.[EDC #107-0005] If there is any
wrong value, replace the HVPS
1.2) Check the T2 Engage/Disenage Motoer[EDC #100-0010].
If it is defective, replace the T2 Engage Motor.
1.3) Check the T2 Engage/Disenage sensor [#EDC #100-0011].
If it is defective, replace the sensor.
1.4) When checking T2 Engage/Disenage [#EDC #100-0010],
check that the T2 Roller work or not. If not work, replace
the T2 Unit.
1.5) Check the ITB Drive Roller Ground. If it is defective, replace
the ITB.
Image Density
Difference between
Right and Left Sides
for a Particular Color
1. Unbalanced T1
Transfer Roller Nip
[1. Unbalanced T1 Transfer Roller Nip]
1.1) Check that the Front Cover is locking properly.
1.2) Take out the ITB and check the T1 roller state. If it is
defective, replace the ITB.
Image Density
Difference between
Right and Left Sides
for All Colors
1. Unbalanced T2
Transfer Roller Nip
[1. Unbalanced T2 Transfer Roller Nip]
1.1) Check that the Side Cover is locking properly.
1.2) Check the T2 Engage/Disenage Motoer[EDC #100-0010].
If it is defective, replace the T2 Engage Motor.
1.3) Check the T2 Engage/Disenage sensor [#EDC #100-0011].
If it is defective, replace the sensor.
1.4) When checking T2 Engage/Disenage [#EDC #100-0010],
check that the T2 Roller work or not. If not work, replace
the T2 Unit.
1.5) Check the ITB Drive Roller Ground. If it is defective, replace
the ITB.
Horizontal White
Line(s)
1. Mis-Contact on T1
and/or Charging
Bias
2. Electrostatic Noise
[1. Mis-Contact on T1 and/or Charging Bias]
1.1) Take out the ITB and check the T1 roller conditions. If it is
defective, replace the ITB.
1.2) Check and confirm MHV Bias for the color [TM #105-
0010~0016]. If there is any wrong value, change the value
[TM #105-0010~0016].
1.3) Turn on the Charging Bias for the color [EDC #105-
0000~0003]
1.4) Read the MHV value for the color [EDC #105-0004~0007]
1.5) If any mis-reading on the MHV value, replace HVPS-L PBA.
1.6) Check the OPC grounding. If the grounding is defective,
replace the Imaging unit.
1.7) Check the ITB grounding. If the grounding is defective,
replace the ITB unit.
Содержание MFX-C4000
Страница 2: ......
Страница 14: ...Precautions Service Manual 1 6 ...
Страница 35: ...Service Manual 2 21 Video Controller Power Distribution Product Specifications and Features ...
Страница 37: ...Service Manual 2 23 Engine Controller Power Distribution Product Specifications and Features ...
Страница 39: ...Service Manual 2 25 DADF Block Diagram Product Specifications and Features ...
Страница 106: ...Maintenance and Disassembly Service Manual 3 44 ...
Страница 173: ...Alignment Troubleshooting Service Manual 4 67 Diagnostics Test Routines Other Reset Admin password ...
Страница 216: ...Alignment Troubleshooting Service Manual 4 110 ...
Страница 217: ...System Diagram Service Manual 5 1 5 System Diagram 5 1 Block Diagram 5 1 1 System ...
Страница 218: ...System Diagram Service Manual 5 2 5 1 2 Video Controller ...
Страница 219: ...System Diagram Service Manual 5 3 5 1 3 Engin Controller ...
Страница 220: ...System Diagram Service Manual 5 4 5 1 4 OPE Unit ...
Страница 221: ...System Diagram Service Manual 5 5 5 1 5 DADF ...
Страница 222: ...System Diagram Service Manual 5 6 5 1 6 SCF HCF ...
Страница 225: ...System Diagram Service Manual 5 9 5 2 3 OPE Unit ...
Страница 226: ...System Diagram Service Manual 5 10 5 2 4 DADF ...
Страница 227: ...System Diagram Service Manual 5 11 5 2 5 SCF HCF ...
Страница 228: ...System Diagram Service Manual 5 12 ...
Страница 237: ...Reference Information Service Manual 6 9 ...
Страница 238: ...Reference Information Service Manual 6 10 ...
Страница 239: ...Reference Information Service Manual 6 11 ...
Страница 240: ...Reference Information Service Manual 6 12 ...
Страница 273: ...Installation Service Manual 7 31 5 Connect the foreign device interface harness to video controller ...
Страница 279: ......
Страница 280: ...Muratec America Inc 3301 East Plano Parkway Ste 100 Plano Texas 75074 469 429 3300 Tel 469 429 3465 Fax www muratec com ...