48:00 PRS Actuator system failure Call agent: 1. Use the power switch at the rear to turn off the printer, then disconnect the power cord. Reconnect the power cord, then turn on the printer. 2. Perform the scan-axis PRS diagnostic test to troubleshoot the problem further. Service engineer: 1. Check that the PRS Actuator cable is undamaged and correctly connected to the engine PCA. 2. Replace the printhead-to-paper space solenoid. 3. Replace the engine PCA.