Copy Problems - Dell 2145cn Service Manual

4.2.4 Copy Problems

1) Defective Image Quality
1. Background occured or Copy quality is not good.
Description
2. CCDM Lamp do not turn on.
1. Check the shading profile.
2. Check the FFC Cable.
3. SOC is error on the Main Board.
4. Check the 24V on the CCD I/F
connector & Fuse on the SMPS.
Alignment and Troubleshooting
4-68
Replace the CCDM.
Replace the FFC Cable.
Replace the Main Board.
Replace the SMPS.