246Chapter 7 Section I: Replacement ProceduresSwitch Assembly, Paper DetectorRemoval1. Prepare the printer for maintenance (page 152).2. Cabinet Model: Remove the paper guide assembly (page 229).Pedestal Model: Remove the top cover assembly (page 204).3. Cabinet Model: Loosen four screws and remove the barrier shield.(See page 258, Figure 44, items 3 and 4.)Pedestal Model: Remove the paper guide, barrier shield, and four screws.(See page 260, Figure 45, items 3, 4, and 5.)4. Remove the two screws securing the paper detector switch assembly.(See Figure 52, page 278.)5. Trace the paper detector switch cables back to the controller board,releasing the cables from the restraints under the base casting. (Seecable routing diagrams on page 300 and page 302.)6. Disconnect connector shell P106 from the controller board.7. Remove switch cable connectors PMD and POD from connector P106(page 195).8. Remove the paper detector switch assembly.Installation1. Holding the slotted wheel against the PMD sensor, position the paperdetector switch assembly and install the screws securing it to the printerbase. (See Figure 52, page 278.)2. Check the PMD sensor arm range: make sure it travels freely andcompletely back into the sensing cavity.3. Route switch cables PMD and POD back to the controller board, installingthe cables in the restraints under the base casting. (See cable routingdiagrams on page 300 and page 302.)4. Connect switch cables PMD and POD to the connector P106 (page 195),then connect P106 to controller board connector J106.5. Cabinet Model: Install the barrier shield and tighten the four screws.(See page 258, Figure 44, items 3 and 4.)Pedestal Model: Install the paper guide, barrier shield, and four screws.(See page 260, Figure 45, items 3, 4, and 5.)6. Cabinet Model: Install the paper guide assembly (page 229).Pedestal Model: Install the top cover assembly (page 204).7. Check and adjust the End of Forms Distance (page 169).8. Return the printer to normal operation (page 153).
