5-36 Phaser 6180MFP Multifunction Printer Service ManualPrint-Quality TroubleshootingHorizontal Band, Voids, or StreaksThere are areas of the image that are extremely light or are missing entirely.These missing areas form wide bands which cover a wide area horizontally,perpendicular to the paper feed direction.Initial Actions■ Check the paper transfer path.■ Ensure there are no debris on the transfer path.Troubleshooting Reference TableApplicable Parts Example Print■ Transfer Unit, PL4.1.1■ Laser Unit, PL5.1.12■ Print Cartridge (C/M/Y/K),PL5.1.17-20■ Scanner Controller Board, PL9.1.1Troubleshooting Procedure TableStep Actions and Questions Yes No1 1. Perform Test Print (Cyan 20%,Magenta 20%, Yellow 20%, andBlack 20%): Service Mode > PrinterDiag > Test Print.2. Does the error still occur whenprinting?Go to step 6. Go to step 2.2 1. Perform a copy job.2. Does the error still occur whencopying?Go to step 3. Complete.3 Is the original document normal? Go to step 4. Replace theoriginaldocument.4 1. Check the document path.2. Are there any debris on thedocument path?Remove thedebris.Go to step 5.Horizontal Band, Void, or Streaks