Lexmark X 850 Owners Manual
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Diagnostic information2-103 7500-XXX 290.15 Sensor (ADF registration) off jam (inverting) Step Check Yes No 1 Check the original document condition. Is the original document free of paper clips and staples as well as damage such as creases, tears, holes or excessive wear?Go to step 2. Remove damaged original document and replace with a new undamaged original document. Perform a ADF test. If the problem remains, go to step 2. 2 Check the ADF rolls for wear. Is the ADF feed/pick roll assembly or the ADF separation roll guide assembly free of excess wear?Go to step 3. Clean or replace the ADF feed/ pick roll assembly or the ADF separation roll guide assembly. Go to “ADF feed/pick roll assembly removal” on page 4-178 or “ADF separation roll guide assembly” on page 4-195. 3 Check the media path for contaminates. Is the media path free of excess media dust and foreign objects such as paper clips and staples?Go to step 4. Remove all contaminates from the media path. 4 Check the sensor (ADF registration) for operation. Perform the sensor (ADF registration) test. Open the ADF left cover assembly. 1. Enter the Diagnostics Menu. 2. Touch SCANNER TESTS. 3. Touch Sensor Tests. 4. Touch ADF registration. Place a piece of white paper into the ADF media entrance and over the sensor (ADF registration). Does the display on the operator panel change every time the sensing area of the above sensor is blocked? Go to step 6. Go to step 5. 5 Check the sensor (ADF registration) for connection. Is the above sensor connected properly?Replace the sensor (ADF registration). Go to “Sensor (ADF registration)” on page 4-187.Replace the connection.
2-104MFP Service Manual 7500-XXX 6 Check the sensor (ADF pre registration) for operation. Perform the sensor (ADF pre registration) test. Open the ADF left cover assembly. 1. Enter the Diagnostics Menu. 2. Touch SCANNER TESTS. 3. Touch Sensor Tests. 4. Touch ADF pre registration. Operate the actuator of the sensor (ADF pre registration). Does the display on the operator panel change every time the sensing area of the above sensor is blocked?Go to step 8. Go to step 7. 7 Check the sensor (ADF pre-registration) for connection. Is the above sensor connected properly?Replace the sensor (ADF pre- registration). Go to “Sensor (ADF pre- registration)” on page 4-188.Replace the connection. 8 Check the feed drive motor for correct operation. Perform the feed drive motor test. Open the ADF left cover assembly. Remove the ADF rear cover. Go to “ADF rear cover removal” on page 4-165. 1. Enter the Diagnostics Menu. 2. Touch MOTOR TESTS. 3. Touch Scanner Motor Tests. 4. Touch ADF feed drv mtr. Does the feed drive motor rotate properly?Go to step 10. Go to step 9. 9 Check the feed drive motor for connection. Is the above sensor connected properly?Replace the ADF feed drive motor assembly. Go to “ADF feed drive motor assembly removal” on page 4-172.Replace the connection. Step Check Yes No
Diagnostic information2-105 7500-XXX 10 Check the inverter solenoid assembly for operation. Perform the inverter solenoid test. Open the ADF left cover assembly. Remove the ADF front cover assembly. Go to “ADF front cover assembly removal” on page 4-166. Close the ADF left cover assembly. 1. Enter the Diagnostics Menu. 2. Touch MOTOR TESTS. 3. Touch Scanner Motor Tests. 4. Touch Inverter solenoid. Does the inverter solenoid assembly operate properly?Go to step 12. Go to step 11. 11 Check the inverter solenoid assembly for connection. Is the above motor connected properly?Replace the inverter solenoid assembly. Go to “Inverter solenoid assembly removal” on page 4-173.Replace the connection. 12 Check the registration motor (forward or reverse) test. Perform the registration motor test. Open the ADF left cover assembly. Remove the ADF rear cover. Go to “ADF rear cover removal” on page 4-165. 1. Enter the Diagnostics Menu. 2. Touch MOTOR TESTS. 3. Touch Scanner Motor Tests. 4. Touch ADF registration drv mtr 5. Touch Forward or reverse. Does the ADF registration motor operate properly?Go to step 14. Go to step 13. 13 Check the ADF registration motor for connection. Is the above motor connected properly?Replace the ADF registration motor. Go to “ADF registration motor removal” on page 4-201.Replace the connection. 14 Place an undamaged document in the ADF, and perform a ADF test. Does the error remain?Replace the ADF controller card assembly. Go to “ADF controller card assembly removal” on page 4-167.Go to step 15. Step Check Yes No
2-106MFP Service Manual 7500-XXX 290.21 Sensor (ADF width APS 1) static jam 15 Place an undamaged document in the ADF, and perform a ADF test. Does the error remain?Replace the RIP card assembly. Go to “RIP card assembly removal” on page 4-128.Problem solved. Step Check Yes No 1 Check the sensor (ADF width APS 1). Is the feed media path free of media or media fragments?Go to step 2. Remove any media or media fragments. 2 Check the sensor (ADF width APS 1) for operation. Perform the sensor (ADF width APS 1) test. Open the ADF left cover assembly. 1. Enter the Diagnostics Menu. 2. Touch SCANNER TESTS. 3. Touch Sensor Tests. 4. Touch ADF width APS 1. Operate the actuator of the sensor (ADF width APS 1). Does the display on the operator panel change every time the sensing area of the above sensor is blocked?Go to step 4. Go to step 3. 3 Check the sensor (ADF width APS 1) for connection. Is the above sensor connected properly?Replace the sensor (ADF width APS 1). Go to “Sensor (ADF width APS 1)” on page 4-184.Replace the connection. 4 Place an undamaged document in the ADF, and perform a ADF test. Does the error remain?Replace the ADF controller card assembly. Go to “ADF controller card assembly removal” on page 4-167.Go to step 5. 5 Place an undamaged document in the ADF, and perform a ADF test. Does the error remain?Replace the RIP card assembly. Go to “RIP card assembly removal” on page 4-128.Problem solved. Step Check Yes No
Diagnostic information2-107 7500-XXX 290.22 Sensor (ADF width APS 2) static jam 290.23 Sensor (ADF width APS 3) static jam Step Check Yes No 1 Check the sensor (ADF width APS 2). Is the feed media path free of media or media fragments?Go to step 2. Remove any media or media fragments. 2 Check the sensor (ADF width APS 2) for operation. Perform the sensor (ADF width APS 2) test. Open the ADF left cover assembly. 1. Enter the Diagnostics Menu. 2. Touch SCANNER TESTS. 3. Touch Sensor Tests. 4. Touch ADF width APS 2. Operate the actuator of the sensor (ADF width APS 2). Does the display on the operator panel change every time the sensing area of the above sensor is blocked?Go to step 4. Go to step 3. 3 Check the sensor (ADF width APS 1) for connection. Is the above sensor connected properly?Replace the sensor (ADF width APS 1). Go to “Sensor (ADF width APS 1)” on page 4-184.Replace the connection. 4 Place an undamaged document in the ADF, and perform a ADF test. Does the error remain?Replace the ADF controller card assembly. Go to “ADF controller card assembly removal” on page 4-167.Go to step 5. 5 Place an undamaged document in the ADF, and perform a ADF test. Does the error remain?Replace the RIP card assembly. Go to “RIP card assembly removal” on page 4-128.Problem solved. Step Check Yes No 1 Check the sensor (ADF width APS 3). Is the feed media path free of media or media fragments?Go to step 2. Remove any media or media fragments.
2-108MFP Service Manual 7500-XXX 291.00 Sensor (ADF registration) static jam 2 Check the sensor (ADF width APS 3) for operation. Perform the sensor (ADF width APS 3) test. Open the ADF left cover assembly. 1. Enter the Diagnostics Menu. 2. Touch SCANNER TESTS. 3. Touch Sensor Tests. 4. Touch ADF width APS 3. Operate the actuator of the sensor (ADF width APS 3). Does the display on the operator panel change every time the sensing area of the above sensor is blocked?Go to step 4. Go to step 3. 3 Check the sensor (ADF width APS 1) for connection. Is the above sensor connected properly?Replace the sensor (ADF width APS 1). Go to “Sensor (ADF width APS 1)” on page 4-184.Replace the connection. 4 Place an undamaged document in the ADF, and perform a ADF test. Does the error remain?Replace the ADF controller card assembly. Go to “ADF controller card assembly removal” on page 4-167.Go to step 5. 5 Place an undamaged document in the ADF, and perform a ADF test. Does the error remain?Replace the RIP card assembly. Go to “RIP card assembly removal” on page 4-128.Problem solved. Step Check Yes No 1 Check the sensor (ADF registration). Is the feed media path free of media or media fragments?Go to step 2. Remove any media or media fragments. Step Check Yes No
Diagnostic information2-109 7500-XXX 291.01 Sensor (ADF inverter) off jam (inverting) 2 Check the sensor (ADF registration) for operation. Perform the sensor (ADF registration) test. Open the ADF left cover assembly. 1. Enter the Diagnostics Menu. 2. Touch SCANNER TESTS. 3. Touch Sensor Tests. 4. Touch ADF registration. Place a piece of white paper into the ADF media entrance and over the sensor (ADF registration). Does the display on the operator panel change every time the sensing area of the above sensor is blocked? Go to step 4. Go to step 3. 3 Check the sensor (ADF registration) for connection. Is the above sensor connected properly?Replace the sensor (ADF registration). Go to “Sensor (ADF registration)” on page 4-187.Replace the connection. 4 Place an undamaged document in the ADF, and perform a ADF test. Does the error remain?Replace the ADF controller card assembly. Go to “ADF controller card assembly removal” on page 4-167.Go to step 5. 5 Place an undamaged document in the ADF, and perform a ADF test. Does the error remain?Replace the RIP card assembly. Go to “RIP card assembly removal” on page 4-128.Problem solved. Step Check Yes No 1 Check the original document condition. Is the original document free of paper clips and staples as well as damage such as creases, tears, holes or excessive wear?Go to step 2. Remove damaged original document and replace with a new undamaged original document. Perform a ADF test. If the problem remains, go to step 2. Step Check Yes No
2-110MFP Service Manual 7500-XXX 2 Check the ADF rolls for wear. Is the ADF feed/pick roll assembly or the ADF separation roll guide assembly free of excess wear?Go to step 3. Clean or replace the ADF feed/pick roll assembly or the ADF separation roll guide assembly. Go to “ADF feed/ pick roll assembly removal” on page 4-178 or “ADF separation roll guide assembly” on page 4-195. 3 Check the media path for contaminates. Is the media path free of excess media dust and foreign objects such as paper clips and staples?Go to step 4. Remove all contaminates from the media path. 4 Check the sensor (ADF inverter) for operation. Perform the sensor (ADF inverter) test. Open the ADF left cover assembly. Remove the ADF separation roll guide assembly. Go to “ADF separation roll guide assembly” on page 4-195. 1. Enter the Diagnostics Menu. 2. Touch SCANNER TESTS. 3. Touch Sensor Tests. 4. Touch ADF inverter. Insert a sheet of paper into the ADF paper path entrance. Manually rotate the ADF exit roll assembly by hand to feed the sheet through the ADF to operate the actuator of the sensor (ADF inverter). Does the display on the operator panel change every time the sensing area of the above sensor is blocked?Go to step 6. Go to step 5. 5 Check the sensor (ADF inverter) for connection. Is the above sensor connected properly?Replace the sensor (ADF inverter). Go to “Sensor (ADF inverter)” on page 4-189.Replace the connection. 6 Check the registration motor (forward or reverse) test. Perform the registration motor test. Open the ADF left cover assembly. Remove the ADF rear cover. Go to “ADF rear cover removal” on page 4-165. 1. Enter the Diagnostics Menu. 2. Touch MOTOR TESTS. 3. Touch Scanner Motor Tests. 4. Touch ADF registration drv mtr 5. Touch Forward or reverse. Does the ADF registration motor operate properly?Go to step 8. Go to step 7. Step Check Yes No
Diagnostic information2-111 7500-XXX 291.02 Sensor (ADF inverter) on jam 2 7 Check the ADF registration motor for connection. Is the above motor connected properly?Replace the ADF registration motor. Go to “ADF registration motor removal” on page 4-201.Replace the connection. 8 Place an undamaged document in the ADF, and perform a ADF test. Does the error remain?Replace the ADF controller card assembly. Go to “ADF controller card assembly removal” on page 4-167.Go to step 9. 9 Place an undamaged document in the ADF, and perform a ADF test. Does the error remain?Replace the RIP card assembly. Go to “RIP card assembly removal” on page 4-128.Problem solved. Step Check Yes No 1 Check the original document condition. Is the original document free of paper clips and staples as well as damage such as creases, tears, holes or excessive wear?Go to step 2. Remove damaged original document and replace with a new undamaged original document. Perform a ADF test. If the problem remains, go to step 2. 2 Check the ADF rolls for wear. Is the ADF feed/pick roll assembly or the ADF separation roll guide assembly free of excess wear?Go to step 3. Clean or replace the ADF feed/pick roll assembly or the ADF separation roll guide assembly. Go to “ADF feed/ pick roll assembly removal” on page 4-178 or “ADF separation roll guide assembly” on page 4-195. 3 Check the media path for contaminates. Is the media path free of excess media dust and foreign objects such as paper clips and staples?Go to step 4. Remove all contaminates from the media path. Step Check Yes No
2-112MFP Service Manual 7500-XXX 4 Check the sensor (ADF inverter) for operation. Perform the sensor (ADF inverter) test. Open the ADF left cover assembly. Remove the ADF separation roll guide assembly. Go to “ADF separation roll guide assembly” on page 4-195. 1. Enter the Diagnostics Menu. 2. Touch SCANNER TESTS. 3. Touch Sensor Tests. 4. Touch ADF inverter. Insert a sheet of paper into the ADF paper path entrance. Manually rotate the ADF exit roll assembly by hand to feed the sheet through the ADF to operate the actuator of the sensor (ADF inverter). Does the display on the operator panel change every time the sensing area of the above sensor is blocked?Go to step 6. Go to step 5. 5 Check the sensor (ADF inverter) for connection. Is the above sensor connected properly?Replace the sensor (ADF inverter). Go to “Sensor (ADF inverter)” on page 4-189.Replace the connection. 6 Check the inverter gate condition. Is the inverter gate free of damage and warpage and does it move smoothly?Go to step 7. Replace the inverter gate. Go to “Inverter gate removal” on page 4-191. 7 Check the registration motor (forward or reverse) test. Perform the registration motor test. Open the ADF left cover assembly. Remove the ADF rear cover. Go to “ADF rear cover removal” on page 4-165. 1. Enter the Diagnostics Menu. 2. Touch MOTOR TESTS. 3. Touch Scanner Motor Tests. 4. Touch ADF registration drv mtr 5. Touch Forward or reverse. Does the ADF registration motor operate properly?Go to step 9. Go to step 8. 8 Check the ADF registration motor for connection. Is the above motor connected properly?Replace the ADF registration motor. Go to “ADF registration motor removal” on page 4-201.Replace the connection. Step Check Yes No