242Chapter 5 Replacement ProceduresSwitch Assembly, Paper DetectorRemoval1. Prepare the printer for maintenance (page 154).2. Cabinet Models: Remove the paper path (page 222).Pedestal Models: Remove the top cover assembly (page 204).3. Remove the two 1/4 inch screws securing the paper detector switchassembly. (See page 272, items 3 and 4.)4. Trace the paper detector switch cables back to controller board connectorP106, removing all tie wraps. (See the cable routing diagrams inAppendix A.)5. Disconnect connector coupling shroud P106 from the controller board(page 198).6. Trace the paper detector switch cables to the connector coupling shroud,and remove the PMD and POD cable connector from the shroud (page197).7. Remove the paper detector switch assembly.Installation1. Holding the slotted wheel against the PMD sensor, position the paperdetector switch assembly and install the two 1/4 inch screws securing it tothe printer base. (See page 272, items 3 and 4.)2. Check PMD sensor arm range: make sure it travels freely and completelyback into the sensing cavity.3. Route the switch cables back to the controller board connector P106.(See the cable routing diagrams in Appendix A.)4. Connect switch cables PMD and POD to the connector coupling shroud(page 198), then connect P106 to controller board connector J106.5. Cabinet Models: Install the paper path (page 222).Pedestal Models: Install the top cover assembly (page 204).6. Check the paper out adjustment (page 164).7. Return the printer to normal operation (page 155).
