Xerox ColorQube 8570 Service Manual page 315

Printer Power On Process...............................................................................................
Hidden Service Menu......................................................................................................
Service Diagnostics.........................................................................................................
Service Diagnostics Menu Maps .....................................................................................
Service Diagnostics Tests...............................................................................................
General Troubleshooting.................................................................................................
Electrical Troubleshooting...............................................................................................
Control Panel Malfunction ...............................................................................................
Media Path and Transport Problems ..............................................................................
Noise
Noise Troubleshooting ....................................................................................................
OF1 Drum Ground Plane Rubbing..................................................................................
OF2 Drum Knocking (Drum Belt) ....................................................................................
OF3 Y-Axis Motor Bearing ..............................................................................................
OF4 Tray 1 - Squeaking..................................................................................................
OF5 Tray 1 - Buzzing, Grinding ......................................................................................
OF6 Process Motor Gear Box (Transfix Output Gear) ....................................................
OF7 Process Drive Gear Box (Compound/ Helical Gear) ...............................................
OF8 Gear Skipping (Head Maintenance Train/ Media Path Gear Box) ..........................
OF9 Other .......................................................................................................................
Operating Systems and Application Problems ................................................................
Network Problems...........................................................................................................
USB Port Testing ............................................................................................................
Firmware Upgrade ..........................................................................................................
Printhead Cleaning Cycle................................................................................................
Printhead Troubleshooting Checklist ..............................................................................
Xerox Internal Use Only - Revised, 3rd Revision
ColorQube 8570/8870 Service Manual
6 General Troubleshooting
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October 2012
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General Troubleshooting