1 - 292Chapter 1 TroubleshootingVersion 3 2008.05.30FIP-1.P3 Solid blackTrouble substanceThe entire paper is printed jet-black.Possible causative parts- HVPS (PL5.1.17)- CARTRIDGE ASSY (PL5.1.18(K)/PL5.1.19(C)/PL5.1.20 (M)/PL5.1.21 (Y))- KIT ROS ASSY (PL5.1.99)- PWBA MCU (PL9.1.20)- PWBA ESS (PL9.1.27)Before commencing troubleshooting, check the paper transfer path. Make sure there is no foreignmaterials on the transfer path, such as staples, paper clips, scraps of paper and so on.Step Check Yes No1Checking the solid black.Print the Contamination Check page.Is the image printed correctly?Check the printdata which theproblem gener-ated.Go to step 2.2 Checking the print cartridge installation.Is the installed print cartridge the DELL cartridge? Go to step 3.Replace to theDELL cartridgeand print tensheets [TestPrint]-[Toner Pal-let Check] in diag-nosis.3 Checking the paperIs the installed paper with a new and dry one? Go to step 4.Replace thepaper with a newand dry.4Checking the Test Pattern.Print the Test Pattern page.Is the image printed correctly?Checked by [Test Print] - [Test Pattern 600] in diagnosis.Replace thePWBA ESS.(Refer to Removal26/Replacement18)Go to step 5.5Checking the Grid2.Print the Grid2 page.Is the solid color printed?Checked by [Test Print] - [Grid2] in diagnosis.Replace the tonercartridge of thecolor by whichSolid was printed.Go to step 6.6Checking the PWBA MCU installation Reseat the PWBAMCU. (Refer to Removal 30/Replacement 14.)Is the image printed correctly?End of work. Go to step 7.