Alignment & Troubleshooting
Service Manual
4-83
Problem Description
Cause Description
Action to Resolve
Vertical White Band
for Copy Job
1. Contaminations on
CCDM or Scanning
Window
2. Image Cell Error on
CCDM
[1. Contaminations on CCDM or Scanning Window]
[2. Image Cell Error on CCDM]
Vertical Band for a
Particular Color
1. Contaminations on
Charging Roller
2. OPC Cleaning Fail
3. OPC Scratch
[1. Contaminations on Charging Roller]
1.1) If the Charging roller is contaminated, replace the
developing unit.
[2. OPC Cleaning Fail]
2.1) Check that there is the vertical band on OPC after normal
printing. If the vertical band occurs, replace the developing
unit because of the defective OPC cleaning Blade.
[3. OPC Scratch]
3.1) If the OPC is scratched, replace the developing unit.
Vertical Dark Band
1. Contaminations on
Charging Roller
2. Slip on Charging
Roller
[1. Contaminations on Charging Roller]
1.1) If the Charging roller is contaminated, replace the
developing unit.
[2. Slip on Charging Roller]
Vertical Random
Streak
1. OPC Scratch
[1. OPC Scratch]
1.1) If the OPC is scratched, replace the developing unit.
Full Solid Black/
Color Image
1. Mis-Contact on
Charging Bias
2. Wrong Charging
Bias from HVPS
[1. Mis-Contact on Charging Bias]
1.1) Check and confirm the Charge Bias[TM #105-0010~0016].
If there is any wrong value, change the value.
1.2) Check the Charge Bias [EDC #105-0000~003]. If it is
defective, replace the HVPS.
1.3) Check the connection between the charging bias Harness
and the developing unit.
1.4) If the connection is OK, check the charging roller contact.
1.5) If the ITB contact is defective, replace the ITB.
[2. Wrong Charging Bias from HVPS]
2.1) Check the external temparature sensor and humidity
sensor.
2.2) If the sensor is normal, check the Charge Bias[TM #105-
0010~0016]. If or not, change the value.
2.3) Check the Charge Bias [EDC #105-0000~003]. If it is
defective, replace the HVPS.
2.4) If it is normal, check the contact between charge high
voltage harness and developing 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 ...