HP CP6015dn Service Manual - Page 406

Table 7-4 Control-panel messages (continued) Control panel message Description Recommended action 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 the previous steps fail to correct the problem, replace the stacker controller PCA. See Stacker controller PCA on page 737. 13.12.21 Finisher upper stapler (stapler 1) staple jam. Control panel diagnostics: none When the staple motor (M41) is rotated 1. forward, the staple home-position sensor (PI5) does not turn back on after the prescribed time has elapsed after it goes off, 2. and the staple home-position sensor (PI50) turns on within the prescribed time after the staple motor (M41) is rotated backwards. 3. Check the stapler unit for jammed staples. Check the stapler unit for loose staples and paper dust. Inspect the stapler unit for damage. 4. Remove the stapler cartridge and make sure HP-approved staples are being used. 5. Verify that the wiring at the stapler unit and the connector are not damaged. 364 Chapter 7 Solve problems ENWW