182 Phaser 5400 Laser Printer Service Guide4 PRINT CARTRIDGE REPLACEMENT1. Install a new Print Cartridge.2. Run a test print.Is there a normal image on the paper?Problemsolved.Go toStep 5.5 METAL CONTACT INSPECTION1. Remove the Print Cartridge.2. Inspect the metal contacts on the rear end of the RightPrint Cartridge Guide.Are the metal contacts intact and free ofcontamination?Go toStep 6.Reform orclean themetalcontacts sothat theymake bettercontact withthe PrintCartridge, orreplace theRight PrintCartridgeGuide[RRP 7.2,page 299].6 ìYESî FROM STEP 5 ABOVECheck for continuity between the metal contacts and theprinter frame.Is there continuity between the metal contact andthe printer frame?Go toStep 7.Replace theRight PrintCartridgeGuide[RRP 7.2,page 299].7 BIAS TRANSFER ROLLER INSPECTIONInspect the Bias Transfer Roller (BTR).Is the BTR intact and free of contamination?Go toStep 8.Replace theBTRAssembly[RRP 7.6,page 304].8 ìYESî FROM STEP 7 ABOVE1. Generate a Test Print and switch printer power OFFhalfway through the print cycle.2. Carefully remove the Print Cartridge and inspect thetoner image on the drum just before the transfer area(BTR).Is the image remaining on the drum completelydeveloped, with sharp, black easily read area?Go toStep 9.Go toRAP 59,page 153.9 SUSPECT COMPONENTSThe following printer components and areas areassociated with this specific problem. One or more ofthese components or areas may have failed partially orcompletely. If you cannot isolate this problem using thesteps in this Repair Analysis Procedure, replace eachcomponent or troubleshoot each area listed below, oneat a time, until you isolate and solve the problem. HVPS Board [RRP 8.2, page 307] Laser Assembly [RRP 7.1, page 297] BTR Assembly [RRP 7.6, page 304] Print Engine Controller Board [RRP 8.5, page 310] LVPS Assembly [RRP 8.6, page 312] Right Print Cartridge Guide [RRP 7.2, page 299] Wiring and connectors linking the componentsTable 102 Blank Prints Troubleshooting Procedure (cont'd.)Step Actions and Questions Yes No