HP CP6015dn Service Manual - Page 409

Table 7-4 Control-panel messages (continued) Control panel message Description ENWW Recommended action problem, replace the stacker controller PCA. See Stacker controller PCA on page 737. ● If media is found in the finisher but has not reached sensor PI22, perform the following steps: ◦ Check the upper and lower guides and rollers in the paper path for damage. ◦ Make sure that the media diverter gate (saddle-stitch flapper) is functioning properly. ◦ Test solenoid SL5 (inlet-switch solenoid) by using the finisher component test from the controlpanel display. SL5 should be opening and closing the media diverter gate (saddle stitch flapper). ● If media is found in the finisher cover sensor PI22 (the sensor is not detecting the media), perform the following steps: ◦ Check the sensor for obstructions. Verify that the sensor flag is not damaged, moves freely, and is correctly aligned with the sensor body. Make sure that the lower end of the flag is not damaged and is correctly positioned to activate the sensor. ◦ Make sure that the sensor is securely fastened to the chassis. ◦ Carefully clean the sensor body by gently blowing clean air across the sensor to remove dust and debris. ◦ Verify that the wiring at the sensor is not damaged and that the intermediate connectors between the sensor and connector J21 on the saddle-stitcher controller PCA are fully seated. Replace the sensor if necessary. If PI22 is determined to be the failure point, replace the saddle paper-feeder assembly, which includes PI22. ◦ Only if the error persists and the previous steps fail to correct the problem, replace the saddlestitcher controller PCA. See Saddle-stitcher controller PCA (booklet maker only) on page 738. Control-panel messages 367