HP CM6030 Service Manual - Page 494

Table 7-4 Control-panel messages (continued) Control panel message Description 448 Chapter 7 Solve problems Recommended action NOTE: The groundingframe assembly is in the "up" position when the finisher is shipped. It must be lowered when the finisher is installed. ◦ If the error persists, replace the IPTU. See IPTU on page 736. 3. Check for media at the finisher entrance point and at sensor PI33. If no media is found at PI33, perform the following steps: ◦ Make sure that the finisher is properly grounded. ● Ensure that the finisher is latched and locked to the engine by tightening the thumbscrew inside the front door. ● Ensure that the groundingframe assembly (the bar with the wheel located between the engine and the finisher) is in the down position with the wheel touching the floor and that the grounding plate is not damaged. NOTE: The groundingframe assembly is in the up position when the finisher is shipped. It must be lowered when the finisher is installed. ◦ Carefully clean the sensor body by gently blowing clean air across the sensor to remove dust and debris. ◦ Verify that the sensor flag is not damaged, moves freely, and is correctly aligned with the sensor body. ◦ Verify that the wiring at the sensor is not damaged and that the connector J708 on the stacker controller PCA is fully seated. 4. Only if the error persists and none of the previous steps correct the problem, replace the stacker controller PCA. See Stacker controller PCA on page 828. ENWW