Lexmark X264dn Service Manual - Page 85

ADF Duplex service check Step 1 2 Questions / actions Perform sensor 1, and sensor 2 sensor tests. See "Scanner Tests" on page 3-17. Are the sensors working properly? Check the ADF sensor actuators to ensure they move freely. Are the actuators moving freely? Yes Go to step 2. Go to step 3. 3 Check all the connections on the ADF Go to step 4. relay card. Are they properly connected? 4 Check the ADF cable to ensure it is Go to step 5. properly connected to CN 15 on the ADF relay card, and main controller board at J4. Is the ADF cable properly connected? 5 Check the ADF cable for continuity. Go to step 6. Make sure pin 22 has continuity. Is there continuity on pin 22? 6 Replace the ADF. See "ADF Problem solved removal" on page 4-4. Does this fix the situation? 7013-XXX No Go to step 3. Attempt to clean the actuators. If the actuators are broken or still don't move freely, then replace the duplex ADF unit. See "ADF removal" on page 4-4. Properly connect all the connections. Properly connect the ADF cable to its connections. Replace the ADF cable. See "ADF cable removal" on page 4-7. Replace the controller board. See "ADF input tray removal" on page 4-8. Diagnostics information 2-51