HP CM6030 Service Manual - Page 527

Table 7-4 Control-panel messages (continued) Control panel message Description ENWW Recommended action Home Sensor (Stapler Home Position Sensor) 1. Test the upper stapler-shift motor M35 by using the finisher component test from the control-panel display. ◦ If the stapler unit moves properly, proceed to the next step in this section. ◦ If the stapler unit does not move properly or moves erratically, perform the following steps: ● Check the flat-flexible cable (FFC) for damage (dents, folds, and/or tears). Replace the FFC if necessary. ● Check the FFC connectors and cable mounting areas. ● If the error persists, replace the stapler assembly. See Stapler on page 774. 2. Test the stapler-shift home-position sensor PI40 by using the finisher component test from the control-panel display. ◦ If the sensor does not change state when the stapler unit is moved from the home position, perform the following steps: ● 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 connector J1040 on the stacker controller PCA is fully seated and not damaged. Check the wiring at the sensor. ● If the error persists, replace the stapler assembly. See Stapler assembly on page 776. NOTE: The stapler assembly includes the stapler-shift home position sensor PI40, stapler unit, shift-position-plate assembly, and the flat-flexible cable (FFC). Control-panel messages 481