Xerox WorkCentre 3550 - IQ15 Different Image Density (Left and Right) RAP

April 2010
3-17
Phaser 3635MFP/WorkCentre 3550
IQ15
Image Quality
IQ15 Different Image Density (Left and Right) RAP
Use this RAP when the printed sheets have different areas of image density across the pro-
cess direction. An example is shown in Figure 1.
Ensure the IQ1 Image Quality Entry RAP is performed before starting this RAP.
Figure 1 Image density
Procedure
WARNING
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
Perform the following:
1. The transfer roll pressure may be unbalanced. Check the spring pressure at each end, PL
9.10 Item 2. Install new components as necessary, PL 9.10.
2. Shake the print cartridge to evenly distribute the toner. If necessary, install a new print
cartridge,
PL 9.10 Item 1.
3.
4. 3635 only. Perform the Shading Test procedure, GP 15 Shading Test. If the shading test
fails:
a. Install new components as necessary:
• CCD module, PL 14.10 Item 8.
• CCD module cable, PL 14.10 Item 23.
• Scanner assembly, PL 14.10 Item 26.
b. Perform OF7 Main PWB Check RAP.
5. 3550 only. Perform the Shading Test procedure, GP 15 Shading Test. If the shading test
fails:
a. Install new components as necessary:
• CCD module, PL 14.11 Item 2.
• CCD module cable, PL 14.11 Item 5.
• Scanner assembly, PL 14.11 Item 21.
b. Perform OF7 Main PWB Check RAP.