Lexmark X644E Service Manual - Page 136

7002-xxx 290.01 Error code service check ADF pickup jam. Note: Before starting this service check, make sure the interval sensor (A) cable is correctly installed. A FRU 1 Pickup arm assembly 2 Pickup arm solenoid springs 3 Pickup arm solenoid springs 4 Pickup arm solenoid 5 Motor driver card Action Check to make sure the pickup arm is correctly installed. If not installed correctly, reinstall properly. If installed correctly, check the pickup arm assembly for any signs of damage or broken parts. If a problem is found, replace the pickup arm assembly. Check the pickup arm solenoid springs to make sure they are correctly attached to the jam removal knob pulley. If not installed correctly, reinstall. If installed correctly, go to step 3. Check for any signs of broken or damaged pickup arm solenoid assembly springs. If either spring is broken or damaged, replace the solenoid assembly which contains both springs. See "ADF pick assembly removal" on page 4-7. If no problem is found, go to step 4. Turn the power off, disconnect CN5 on the motor driver card. Measure the resistance between C5-1 and CN5-2. The resistance should measure approximately 41.0 ohms. If correct, go to step 5. If incorrect, disconnect the solenoid from the solenoid cable on the front side of the ADF near the solenoid, and measure the resistance between pins 1 and 2 on the cable attached to the solenoid. The resistance should measure approximately 41.0 ohms. If incorrect, replace the solenoid assembly. If correct, replace the ADF assembly. Note: Whenever the complete ADF assembly is replaced, it is necessary to perform scanner registration. See "Scanner registration" on page 4-4. Reconnect CN5 to the motor driver card, and measure the voltage at CN5-1 and CN5-2. The voltage should measure approximately +25.0 V dc. If incorrect, replace the motor driver card. If correct, go to step 6. 2-98 Service Manual