Alignment and Troubleshooting4-1Service Manual4. Alignment and Troubleshooting4.1 Alignment and AdjustmentsThis chapter describes the main functions for service, such as the product maintenance method, the testoutput related to maintenance and repair, DCU using method, Jam removing method, and so on. It includesthe contents of manual.4.1.1 Paper pathScanner PartEngine PartRoller-HeatRoller-ExitRoller-TransferRoller-PickupRoller-FeedRoller-MPRoller-PressureRoller-REGI OPCDuplexDuplexRoller-REGI OPCFEEDSENSORSCANSENSORPAPER EMPTYSENSOR