5-36 Phaser 4500/4510 Service ManualPrint-Quality TroubleshootingSpot DeletionsSolid areas are marked with irregular white areas.Initial Actions■ Check that the paper supply is dry andfresh.■ Inspect the printer paper path for foreignitems, such as staples, paper clips, andpaper scraps.■ Check the installation of the printcartridge.■ Check that the print cartridge groundcontacts (on the right side of the printcartridge and in the print cartridge RightSide Guide in the printer) are clean.Spot Deletions Troubleshooting ProcedureStep Actions and Questions Yes No1 1. Load fresh, dry paper2. Print a test printIs the problem still present?Go to step 2. Problem solved.2 1. Install a new print cartridge.2. Print a test print.Is the problem still present?Go to step 3. Problem solved.3 1. Generate a test print, andswitch OFF the printer powerhalfway through the print cycle.2. Carefully remove the printcartridge and inspect the tonerimage on the drum just beforethe transfer area (transferroller).Before transfer, was the tonerimage on the drum normal andwithout spot deletions, but therewere spot deletions on the paperafter transfer?Replace thetransfer rollerassembly(page 8-45).Go to step 4.s4510-044
