HP CM6030 Service Manual - Page 532
bottom edge of the paper to smoothly pass by, paper stack is being stapled, allowing
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Table 7-4 Control-panel messages (continued) Control panel message Description Recommended action 66.12.41 Finisher: folding-paper-positioning-plate motor (M4) Control-panel diagnostics: M4-guide plate motor (paper-positioning-plate motor) The paper-positioning-plate motor (M4), 1. located in the booklet making area of the finisher, controls the Up and down positioning of the stacked paper for stitch stapling and for folding. Error occurs when the paper-positioningplate home-position sensor (PI7) does not turn on when the paper-positioning-plate motor (M4) has been driven for 1500 pulses. 2. Also occurs when the paper-positioning-plate home-position sensor (PI7) does not turn off when the paper-positioning-plate motor (M4) has been driven for 300 pulses. Test the paper-positioning-plate motor M4 by using the finisher component test from the control-panel display. During the test, observe the movement of the booklet-maker-guide plate, and make sure it is not obstructed or damaged. Remove the booklet-maker output bin to gain access to the paper-position-plate home-position sensor PI7 and delivery door. Remove the plate that holds PI7, and carefully clean the sensor body by gently blowing clean air across the sensor to remove dust and debris. 3. Make sure that the sensor is securely fastened to the plate. 4. Check the wiring at the sensor. 5. If the error persists, replace sensor PI7 and the positioning-plate assembly together. 6. Only if the error persists and none of the previous steps correct the problem, replace the stacker controller PCA. See Stacker controller PCA on page 828. 66.12.42 Finisher error: folding-guide motor (M3) Control-panel diagnostics: M3 guide motor The guide motor (M3), located in the booklet- 1. making area of the finisher, controls the position of the guide plate. The guide plate is positioned in front of the folding rollers as the paper stack is being stapled, allowing the 2. bottom edge of the paper to smoothly pass by the folding rollers. When the stacked paper is lowered to the folding position, the guide 3. motor (M3) lowers the guide plate out of the way to allow the paper stack to be pushed into 4. the folding rollers. 5. Error occurs when The guide-home-position sensor (PI13) does not turn on when the guide motor (M3) has been driven for 700 pulses. 6. Also occurs when the guide-home-position sensor (PI13) does not turn off when the guide motor (M3) has been driven for 50 pulses. Carefully clean the sensor body by gently blowing clean air across the sensor to remove dust and debris. Make sure that the sensor is securely fastened to the plate. Check the wiring at the sensor. Check sensor PI13 for damage. Check the guide, gears, and gear tracks on the front and rear frame for damage. Replace components as necessary. If the error persists, replace the guide motor M3 and the guide-home-position sensor PI13 together. 486 Chapter 7 Solve problems ENWW