02/20003-20 DocuPrint N2125IQ RAP 9, IQ RAP 10Initial IssueImage Quality Repair Analysis ProceduresWARNINGIf the printer has been switched on, the Fuser will be hot.Open the Rear Cover. Remove the Fuser Assembly. Rotate the fuser idler gear manually andinspect the Heat Roll. Open the fuser jam access cover. Rotate the fuser idler gear manuallyand inspect the Pressure Roll. The Heat Roll and the Pressure Roll are free of scratchesand contamination.Y NClean or replace the Fuser Assembly (REP 6.2).Replace the following, in order, until the defective component is found: BTR Assembly (REP7.1), Fuser Assembly (REP 6.2), HVPS PWB (REP 9.6), Print Cartridge Side Guide (REP 7.5).IQ RAP 10 Black PrintsA totally black output print. There is toner on the paper with no visible image.Figure 1 Black PrintsInitial Actions• Inspect the printer paper path for items such as staples, paper clips and paper scraps.• Check installation of the Print Cartridge.• Check that the Print Cartridge ground contact points are clean.• Ensure the machine covers are in place and fit well so no outside light can enter themachine.ProcedureInstall a new Print Cartridge. Run a Test Print. The print is normal.Y NShield half of the window of the Laser Assembly. Run a Test Print. The print is halfwhite and half black.Y NGo to RAP 44.Go to RAP 30.Problem solved.A