02/20004-43DocuPrint N2025/N2825 REP 8.1Repair-AdjustmentInitial IssueREP 8.1 System Controller PWBParts List on PL 9.1RemovalCAUTIONThese components are susceptible to electrostatic discharge. Observe all ESD procedures toavoid damage.WARNINGTurn the power off and disconnect the Power Cord.1. Remove the Left Side Cover (REP 1.1).2. Loosen the two thumb screws that secure the Shield Cover and remove the cover (Figure1).3. Remove the six screws and the RF Shields that secure the rear of the System ControllerPWB Assembly to the printer (Figure 2).4. Disconnect P/J3, P/J13, and P/J18 from the System Controller PWB.5. Remove the seven screws that secure the System Controller PWB to the printer (Figure2).6. Slide the System Controller PWB toward the rear of the printer to disconnect P/J14 fromthe Print Engine Controller PWB (Figure 2).7. Remove the System Controller PWB Assembly.NOTE: If replacing the System Controller PWB, continue with step 8.8. Remove any DIMMs from slots J5, J4, or J6 and install them on the new System Control-ler PWB.9. If installed, remove the two screws that secure the Network Card to the frame assembly(Figure 3). Remove the network card.10. If installed, remove the Hard Disk Drive and the two right standoffs.11. Remove the two screws that secure the parallel connector to the frame assembly (Figure3).12. Remove the three screws that secures the System Controller PWB to the frame assembly(Figure 3). Remove the System Controller PWB.Figure 1 Shield CoverFigure 2 System Controller PWB Assembly
