02/20003-19DocuPrint N2125 IQ RAP 8, IQ RAP 9Image Quality Repair Analysis ProceduresInitial IssueCheck for the continuity between the Metal Grounding Contacts and the printer bodyframe. There is continuity between the Grounding Contacts and the Printer Frame.Y NReplace the Print Cartridge Side Guide (REP 7.5).Inspect the BTR Assembly for contamination and wear. The BTR is free of contamina-tion and wear.Y NReplace the BTR Assembly (REP 7.1).Generate a Test Print and switch OFF the printer power halfway through print cycle. Care-fully remove the Print Cartridge and inspect the toner image on the Drum just before thetransfer area (BTR). The image on the Drum is developed; with sharp, black, easilyread areas and no horizontal streaks.Y NGo to RAP 43.Inspect the toner image on the Drum immediately after the transfer area (BTR). Thetoner image on the Drum was transferred to the paper along with any horizontalstreaks.Y NReplace the BTR Assembly (REP 7.1).Open the Rear Cover. Remove the Fuser Assembly. Rotate the fuser idler gear manuallyand inspect the Heat Roll. Open the fuser jam access cover. Rotate the fuser idler gearmanually and inspect the Pressure Roll. The Heat Roll and the Pressure Roll are freeof scratches and contamination.Y NReplace the Fuser Assembly (REP 6.2).Go to RAP 44.Problem solved.IQ RAP 9 Residual ImageThe image from a previous print, which was not removed during the cleaning process, hasbeen developed on the current print.Figure 1 Residual ImageInitial 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.• Verify the fuser temperature (NVM).ProcedureReplace paper with fresh, dry paper. Run a test print. Residual images still appear.Y NProblem solved.Install a new Print Cartridge. Run a test print. The residual images still appear.Y NProblem solved.Inspect the BTR Assembly for contamination and wear. The BTR is free of contaminationand wear.Y NReplace the BTR Assembly (REP 7.1).A BA
