HP Color LaserJet CM6030/CM6040 HP Color LaserJet CM6040/CM6030 MFP Series - S - Page 538

Table 7-4 Control-panel messages (continued) Control panel message Description Recommended action 66.12.46 Finisher - Communication Lost with Stitcher Controller PCA Error occurs when communication between the stacker-controller board and the saddlestitcher-controller board has been lost or interrupted. Control-panel diagnostics: none 1. 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 grounding-frame 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 grounding-frame assembly is in the up position when the finisher is shipped. It must be lowered when the finisher is installed. 2. Verify that connector J730 on the stacker controller PCA and the wiring between connector J22 on the saddlestitcher controller PCA are fully seated and not damaged. 3. Replace the saddle-stitcher controller PCA. See Saddle-stitcher controller PCA (booklet maker only) on page 827. 4. 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 826. 66.12.47 Finisher error - micro switches - doors There are three switches in the bookletmaker finisher: SW1 (saddle-guide switch also known as the inlet-door switch), SW3 the booklet-ejection-door switch, and MS31 the front-door switch. The stapler/stacker finisher only has one switch, MS31 for the front door of the finisher. All three switches detect if the associated door or guide plate is open or closed. Each of the switches also have a sensor (SW1/PI9, SW3/PI3, and MS31/PI32) that acts as a backup and detects the same information as the switches. The error occurs when all the doors and guides are closed and there is a mismatch in readings between the sensors and the switches. For example, the front finisher door is closed, PI32 senses the door is closed and MS31 senses the door is still open. Control-panel diagnostics: PI32 (front-door-1 sensor), PI3 (booklet door-1 sensor, also known as booklet-delivery-door sensor), PI9 (front-door-2 sensor, also known as the saddle-guide-door sensor or inlet-door sensor), SW3 (booklet-door 2) 1. Using the control-panel diagnostics, try to isolate which door or guide switch and sensor is causing the error. 2. Make sure that the sensors are securely fastened to the chassis. 3. Check the switches and sensors for damage and clean the sensors by gently blowing clean air into the sensor to remove dust and debris. 4. Check the wiring at the switches and sensors. 5. Check the tabs that activate the switches and sensors on the doors and 492 Chapter 7 Solve problems ENWW