Xerox 8500DN Service Manual - Page 230

Print-Quality Troubleshooting Wavy Vertical Lines Troubleshooting Procedure Step Questions and Actions 4 Test Drum maintenance operation. 1. Run service diagnostics to verify the Drum maintenance system is operating correctly. 2. Check, and if necesary, replace these parts; check for cracking: ■ Drum Maintenance Pivot Plate ■ Drum Maintenance Camshaft Did this correct the problem? Yes Complete. Oil Streaks on Print No Replace the pivot plate or Drum maintenance cam roller if damaged. Oil stains the edge of the print. This problem is likely caused by too much oil on the Drum or poor Drum Maintenance Kit grounding. Initial Actions ■ Check the media used is supported by this printer. ■ Check that the paper path is clean and clear of debris. Troubleshooting Reference Applicable Parts ■ Drum Maintenance Kit ■ Drum Maintenance Pivot Plate ■ Drum Maintenance Camshaft Example Print Oil Streaks on Print Troubleshooting Procedure Step Questions and Actions Yes 1 Check and clean the Drum Maintenance Kit Complete. wiper blade. Replace the kit if necessary. Did this correct the problem? s8500-042 No Go to Step 2. 5-24 Phaser 8400/8500/8550/8560 Color Printer Service Manual