Xerox COLORQUBE 8870

October 2012
6-47
ColorQube 8570/8870 Service Manual
OF2, OF3
General Troubleshooting
Xerox Internal Use Only - Revised, 3rd Revision
OF2 Drum Knocking (Drum Belt)
A defect in the Drum Belt can cause a low pitch knocking sound to occur during the imaging
stage of printing.
Troubleshooting Reference
Applicable Part (Chapter 5 - Parts List)
• Y-Axis Belt, PL 2.1 Item 5
Procedure
Remove the Y-Axis Belt (REP 2.5) to inspect the Belt for damage. Is the Belt damaged (see
Figure 1)?
YN
Troubleshooting complete.
Replace the Y-Axis Belt (REP 2.5).
Figure 1 Checking the Y-Axis Belt
OF3 Y-Axis Motor Bearing
A defective Y-Axis Motor bearing can cause a metallic brushing or scraping sound during the
imaging stage of printing.
Troubleshooting Reference
Applicable Part (Chapter 5 - Parts List)
• Y-Axis Motor Assembly, PL 4.1 Item 2
Procedure
Check that there is no metallic brushing or scrapping sound during imaging. Is there a metal-
lic brushing or scrapping sound during imaging?
YN
Troubleshooting complete.
Replace the Y-Axis Motor Assembly (REP 4.2).