Maintenance5. Turn the bottom cover over and replace and tighten the four screws securingthe printer door to the bottom cover, as shown in the following photograph.6. Reattach the printer module assembly.See step 1 through step 2 in “Replacing the Printer Module Assembly” on page95 for instructions.7. Reattach the chassis.See step 1 through step 6 in “Attaching the Chassis” on page 85 for instructions.8. Reattach the top cover assembly.See “Reattaching the Top Cover Assembly to the Device” on page 81 forinstructions.9. Reinsert the battery.See step 6 through step 8 in “Replacing the Battery” on page 74 for instructions.10. Continue with the appropriate functional checkout procedure for this FRU.See “Functional Checkout” on page 129 for more information.Printer Door SensorThe following procedures describe how to remove and replace the printer door sensor.Removing the Printer Door SensorUse the following procedure to remove the printer door sensor from the printermodule assembly.1. Before beginning any steps, follow the instructions in “Preparing the System forFRU Replacement” on page 73.2. Remove the printer module assembly.See “Removing the Printer Module Assembly” on page 94 for instructions.106 MAC™ 2000 ECG Analysis System 2053535-003C
