HP CP6015dn Service Manual - Page 441

Table 7-4 Control-panel messages (continued) Control panel message Description 66.12.44 Finisher - folding-paper-alignment motor (M5) Recommended action ● Carefully clean each sensor body with a clean, lint-free cloth, or gently blow clean air across each sensor to remove dust and debris. ● Verify that connector J3 on the saddle-stitcher controller PCA is fully seated and not damaged. Check the wiring at the PI4 sensor. ● Verify that connector J18 on the saddle-stitcher controller PCA is fully seated and not damaged. Check the wiring at the PI21 sensor. ● If the error persists, replace sensor PI4 or PI21. ● 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. ◦ If the folding rollers do not rotate properly, perform the following steps: ● Check the folding-roller gears and connecting gears between the paper-fold motor M2 and the folding rollers for damage. Replace components as necessary. ● Check the folding rollers for wear and damage. Replace components as necessary. ● Replace the motor-mount assembly. NOTE: The motor-mount assembly includes the paperfold motor M2 and the paperfold motor-clock sensor PI4. ● 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. Control panel diagnostics: none ENWW Control-panel messages 399