HP CP6015dn Service Manual - Page 410

Table 7-4 Control-panel messages (continued) Control panel message Description Recommended action 13.12.43 Finisher stay jam at booklet-making paper entry sensor (PI22) Occurs when the booklet-making paper entry sensor (PI22) remains activated longer than expected, suggesting that there is a paper jam at the sensor. Control panel diagnostics: none To locate this sensor, see Detect jams in the stacker unit on page 636. 1. Remove any media in the upper paper path that might be activating sensor PI22. 2. Verify that the sensor flag is not damaged, moves freely, and is correctly aligned with the sensor body. 3. Carefully clean the sensor body by gently blowing clean air across the sensor to remove dust and debris. 4. Verify that the wiring at the sensor is not damaged. Check the intermediate connectors between sensor PI22 and connector J21 on saddle-stitcher controller PCA for damage and proper connections. Replace the sensor if necessary. 13.12.44 Finisher delay jam at booklet making first paper sensor (PI18) Control panel diagnostics: M1 (Delivery Motor) Occurs when the first-paper sensor (PI18) is not activated within the expected time following the activation of the bookletmaking-paper entry sensor (PI22), suggesting that there is a paper jam in the area between PI22 and PI18. To locate these sensors, see Detect jams in the booklet maker unit on page 636. Open the IPTU and the finisher top door and locate the media jam. Check the following items: ● If media is found at sensor PI18, perform the following steps: ◦ Check the sensor PI18 for damage. Replace the sensor if necessary. ◦ Carefully clean the sensor body by gently blowing clean air across the sensor to remove dust and debris. ◦ Verify that the wiring from sensor PI18 to connector J10 on the saddle-stitcher controller PCA is undamaged and the connectors are fully seated. ● If media is found at the roller prior to sensor PI18 in the paper path, perform the following steps: ◦ Test motor M1 (delivery motor) by using the finisher component test from the control-panel display. ◦ Remove the finisher rear cover. Activate motor M1 and verify that the drive gears and belts are moving. 368 Chapter 7 Solve problems ENWW