1 - 294Chapter 1 TroubleshootingVersion 3 2008.05.30FIP-1.P4 Vertical blank lines (White stripes in paper transport direction)Trouble substanceThere are some extremely faint or completely non-printed parts. Those non-printed parts cover a widearea vertically, along the paper feeding direction.Possible causative parts- TRANSFER ASSY (PL4.1.1)- CARTRIDGE ASSY (PL5.1.18(K)/PL5.1.19(C)/PL5.1.20 (M)/PL5.1.21 (Y))- KIT ROS ASSY (PL5.1.99)- FUSER ASSY (PL6.1.10)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 Vertical blank lines.Print the Contamination Check page.Is the image printed correctly?Checked by [Test Print] - [contamination Check] in diagno-sis.Check the printdata which theproblem gener-ated.Go to step 2.2Checking the foreign substance and damage.Open the Front cover; check the surrounding area of theprint cartridges and the TRANSFER ASSY.Are there any foreign substances?Remove the for-eign substance. Go to step 3.13 1313 1313 1313 13RandomPeriodic
