HP CP6015dn Service Manual - Page 407

Table 7-4 Control-panel messages (continued) Control panel message Description Recommended action 6. Install new staple cartridge and retest. 7. If the error persists, replace the stapler unit. See Stapler on page 683. 13.12.41 Finisher: Paper detected in the bookletmaking portion of the finisher at engine power on. Occurs when paper is detected by one of the sensors on the paper-sensor board (PI18, PI19, PI20), vertical-path-paper sensor (PI17), booklet-delivery sensor (PI11), paperpositioning-plate-paper sensor (PI8), or booklet-making paper-entry sensor (PI22) when engine is turned on. Control panel diagnostics: none To locate these sensors, see Detect jams in the booklet maker unit on page 636. 1. Remove media from the booklet-maker paper path. 2. Verify that the sensor flags are not damaged, move freely, and are correctly aligned with the sensor bodies. 3. Carefully clean each sensor body by gently blowing clean air across each sensor to remove dust and debris. 4. Make sure that connectors J6, J9, J10, J13, and J21 are fully seated on the saddle-stitcher controller PCA. 5. Only if the error persists and the previous steps fail to correct the problem, replace the saddle-stitcher controller PCA. See Saddle-stitcher controller PCA (booklet maker only) on page 738. 13.12.42 Finisher delay jam at booklet-making paper- Control panel diagnostics: M9 (inlet motor), entry sensor (PI22) SL5 (inlet-switch solenoid) Occurs when booklet making function is selected and after the engine signals the finisher that it is delivering paper to the finisher. The booklet-making-paper entry sensor (PI22) is not activated within the expected time period after receiving the engine's delivery signal, suggesting that a paper jam has occurred somewhere between the output accessory bridge (IPTU) and sensor PI22. Signal generated from: PI22 (bookletmaking-paper entry sensor) To locate this sensor, see Detect jams in the booklet maker unit on page 636. ENWW Control-panel messages 365