Lexmark X 850 Owners Manual
Have a look at the manual Lexmark X 850 Owners Manual online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 166 Lexmark manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.
Diagnostic information2-163 7500-XXX 925.00 Fuser operating temperature failure 927.00 PC cartridge RFID data write failure 3 Perform a print test. Does the error continue?Replace the printer engine card assembly. Go to “Printer engine card assembly removal” on page 4-117.Problem solved. Step Check Yes No 1 Check the fuser unit assembly for a media jam. Open the printer left door assembly and check it. Is there a media jam in the fuser unit assembly?Go to the step 2. Remove the media. 2 Leave the printer powered on with the error code displayed for 10 minutes, then perform a POR. Does the error still occur?Go to step 3. Problem solved. 3 Check the fuser unit assembly for proper installation. Open the printer left door assembly and check it. Is the fuser unit assembly installed properly?Go to step 4. Install the fuser unit assembly properly. 4 Check the fuser unit assembly connection. Is the fuser unit assembly properly connected?Go to step 5. Replace the connection. 5 Check the connection between the LVPS card assembly P525 and the printer engine card assembly P401. Are the cards connected properly?Replace the fuser unit assembly. Replace the connection. 6 Perform a print test. Does the error continue?Replace the printer engine card assembly. Go to “Printer engine card assembly removal” on page 4-117.Problem solved. Step Check Yes No 1 Check the PC cartridge installation. Is the PC cartridge properly installed? Go to step 2. Install the PC cartridge properly. 2 Check the sensor (RFID PC cartridge) installation. Is the sensor (RFID PC cartridge) properly installed? Go to step 3. Install the sensor (RFID PC cartridge) correctly. Step Check Yes No
2-164MFP Service Manual 7500-XXX 928.00 PC cartridge RFID communication failure 929.00 Sensor (ATC) failure 930.00 Laser power failure 3 Check the sensor (RFID PC cartridge) connection. Is the sensor (RFID PC cartridge) properly connected?Replace the sensor (RFID PC cartridge). Replace the connection. 4 Perform a print test. Does the error continue?Replace the printer engine card assembly. Go to “Printer engine card assembly removal” on page 4-117.Problem solved. Step Check Yes No 1 Check the PC cartridge installation. Is the PC cartridge properly installed?Go to step 2. Install the PC cartridge properly. 2 Check the sensor (RFID PC cartridge) installation. Is the sensor (RFID PC cartridge) properly installed?Go to step 3. Install the sensor (RFID PC cartridge) correctly. 3 Check the sensor (RFID PC cartridge) connection. Is the sensor (RFID PC cartridge) properly connected?Replace the sensor (RFID PC cartridge). Replace the connection. 4 Perform a print test. Does the error continue?Replace the printer engine card assembly. Go to “Printer engine card assembly removal” on page 4-117.Problem solved. Step Check Yes No 1 Check the PC cartridge installation. Is the PC cartridge properly installed?Go to step 2. Install the PC cartridge properly. 2 Perform a POR. Does the error continue?Replace the PC cartridge.Problem solved. Step Check Yes No 1 Check the printhead assembly for proper installation. Is the printhead assembly installed properly?Go to step 2. Install the printhead assembly properly. Step Check Yes No
Diagnostic information2-165 7500-XXX 932.00 Toner cartridge RFID data write failure 933.00 Toner cartridge RFID communication failure 2 Check the printhead assembly connection. Is the printhead assembly properly connected?Replace the printhead. Replace the connection. 3 Perform a print test. Does the error continue?Replace the printer engine card assembly. Go to “Printer engine card assembly removal” on page 4-117.Problem solved. 4 Perform a print test. Does the error continue?Replace the RIP card assembly. Go to “RIP card assembly removal” on page 4-128.Problem solved. Step Check Yes No 1 Check the toner cartridge installation. Is the toner cartridge properly installed?Go to step 2. Install the toner cartridge properly. 2 Check the sensor (RFID toner cartridge) installation. Is the sensor (RFID toner cartridge) properly installed? Go to step 3. Install the sensor (RFID toner cartridge) correctly. 3 Check the sensor (RFID toner cartridge connection. Is the sensor (RFID toner cartridge) properly connected?Replace the sensor (RFID toner cartridge). Replace the connection. 4 • Perform a print test. • Does the error continue?Replace the printer engine card assembly. Go to “Printer engine card assembly removal” on page 4-117.Problem solved. Step Check Yes No 1 Check the toner cartridge installation. Is the toner cartridge properly installed?Go to step 2. Install the toner cartridge properly. 2 Check the sensor (RFID toner cartridge) installation. Is the sensor (RFID toner cartridge) properly installed?Go to step 3. Install the sensor (RFID toner cartridge) correctly. 3 Check the sensor (RFID toner cartridge connection. Is the sensor (RFID toner cartridge) properly connected?Replace the sensor (RFID toner cartridge). Replace the connection. Step Check Yes No
2-166MFP Service Manual 7500-XXX 939.00 RIP card assembly communication failure 941.00 Media tray 1 lift up / no media tray failure 4 Perform a print test. Does the error continue?Replace the printer engine card assembly. Go to “Printer engine card assembly removal” on page 4-117.Problem solved. Step Check Yes No 1 Perform a POR. Does the error occur when the power is turned off/on?Go to step 2. Perform several print tests. If the problem remains, go to step 2. 2 Turn the printer off for 60 seconds. Does the error occur when the power is turned off/on again?Go to step 3. Problem solved. 3 Check the RIP card assembly connection. Is the RIP card assembly connection JHAB2 and the printer engine card assembly connection P402 connected properly?Replace the RIP card assembly. Go to “RIP card assembly removal” on page 4-128. Go to step 4.Replace the connection. 4 Perform a print test. Does the error still occur?Replace the printer engine card assembly. Go to “Printer engine card assembly removal” on page 4-117.Problem solved. Step Check Yes No 1 Check the media. Pull out media tray 1 to visually check it. Is media loaded in tray 1?Go to step 2. Load media properly. 2 Check the media tray. Replace media tray 1 with media tray 2. Is the replaced media tray lifted up?Go to step 3. Go to step 4. 3 Check the media tray. Are the tray lift sector gear 12T, of media tray 1, or surrounding parts damaged?Replace the media tray lift sector gear 12T or other damaged components.Go to step 4. Step Check Yes No
Diagnostic information2-167 7500-XXX 4 Check the tray 1 media feed lift motor for proper operation. Warning: Only perform this test with the paper tray assembly removed from the machine, or abnormal grinding noises will occur. 1. Enter the Diagnostics Menu. 2. Touch MOTOR TESTS. 3. Touch Printer Tests. 4. Touch Tray 1 lift mtr. Does the tray 1 media feed lift motor operate properly?Go to step 8. Go to step 5. 5 Is the tray 1 media feed lift motor properly connected? Replace the media feed lift motor. Go to “Media feed lift motor removal” on page 4-33. Go to step 6.Replace the connection. 6 Check the tray 1 sensor (media level) for operation. 1. Enter the Diagnostics Menu. 2. Touch INPUT TRAY TESTS. 3. Touch Sensor test. 4. Touch Tr a y 1 . 5. Touch Media level. Remove the media tray assembly. Move the pick roll, with your finger, up and down. Note: Avoid touching the rubber roll surface. Does the display, on the operator panel, change every time the sensing area is blocked?Go to step 8. Go to step 7. 7 Check the tray 1 sensor (media level) connection. Is the tray 1 sensor (media level) properly connected? Replace the sensor (media level). Go to “Sensor (media level) removal” on page 4-39.Replace the connection. 8 Check the tray 1 switch (media size) for proper connection. Is the switch connected properly?Replace the switch (media size). Go to “Switch (media size) removal” on page 4-19.Replace the connection. 9 Perform a print test. Does the error continue?Replace the printer engine card assembly. Go to “Printer engine card assembly removal” on page 4-117.Problem solved. Step Check Yes No
2-168MFP Service Manual 7500-XXX 942.00 Media tray 2 lift up / no media tray failure Step Check Yes No 1 Check the media. Pull out media tray 2 to visually check it. Is media loaded in tray 2?Go to step 2. Load media properly. 2 Check the media tray. Replace media tray 2 with media tray 1. Is the replaced media tray lifted up?Go to step 3. Go to step 4. 3 Check the media tray. Are the tray lift sector gear 12T, of media tray 2, or surrounding parts damaged?Replace the media tray lift sector gear 12T or other damaged components.Go to step 4. 4 Check the tray 2 media feed lift motor for proper operation. Warning: Only perform this test with the paper tray assembly removed from the machine, or abnormal grinding noises will occur. 1. Enter the Diagnostics Menu. 2. Touch MOTOR TESTS. 3. Touch Printer Tests. 4. Touch Tray 2 lift mtr. Does the tray 2 media feed lift motor operate properly?Go to step 8. Go to step 5. 5 Is the tray 2 media feed lift motor properly connected? Replace the media feed lift motor. Go to “Media feed lift motor removal” on page 4-33. Go to step 6.Replace the connection. 6 Check the tray 2 sensor (media level) for operation. 1. Enter the Diagnostics Menu. 2. Touch INPUT TRAY TESTS. 3. Touch Sensor test. 4. Touch Tr a y 2 . 5. Touch Media level. Remove the media tray assembly. Move the pick roll, with your finger, up and down. Note: Avoid touching the rubber roll surface. Does the display, on the operator panel, change every time the sensing area is blocked?Go to step 8. Go to step 7. 7 Check the tray 2 sensor (media level) connection. Is the tray 2 sensor (media level) properly connected? Replace the sensor (media level). Go to “Sensor (media level) removal” on page 4-39.Replace the connection.
Diagnostic information2-169 7500-XXX 943.00 Tray 3 lift up / no tray failure 8 Check the tray 2 switch (media size) for proper connection. Is the switch connected properly?Replace the switch (media size). Go to “Switch (media size) removal” on page 4-19.Replace the connection. 8 Perform a print test. Does the error continue?Replace the printer engine card assembly. Go to “Printer engine card assembly removal” on page 4-117.Problem solved. StepCheckYe sNo 1Check the media. Pull out tray 3, and visually check it. Is any media loaded in tray 3?Go to step 2.Load media properly. 2Check the tray. Is the tray 3 lift gear assembly or the surrounding parts of it damaged?Go to step 3.Replace the tray 3 lift gear assembly or any other damaged parts. Go to “2000-sheet dual input (TTM)– tray 3 lift gear assembly removal” on page 4-271. 3Check the tray 3 media feed lift motor for proper operation. Warning: Only perform this test with the paper tray assembly removed from the machine, or abnormal grinding noises will occur. 1. Enter the Diagnostics Menu. 2. Touch MOTOR TESTS. 3. Touch Printer Tests. 4. Touch Tray 3 lift mtr. Does the tray 3 media feed lift motor operate properly?Go to step 6.Go to step 4. 4Check the tray 3 media feed lift motor for proper connection. Is the above motor connected properly?Go to step 5.Replace the connection. 5Check the 2TM/TTM controller card assembly and the printer engine card assembly for proper connection. Are connectors P541 and P413 on the above cards connected properly?Go to step 6.Replace the connection. Step Check Yes No
2-170MFP Service Manual 7500-XXX 944.00 Tray 4 lift up / no tray failure 6Check the tray 3 sensor (media level) for proper operation. 1. Enter the Diagnostics Menu. 2. Touch INPUT TRAY TESTS. 3. Touch Sensor Test. 4. Touch Tr a y 3 . 5. Touch Media level. Remove the media tray assembly, and move the pick roll with your finger in an up and down motion. Avoid touching the rubber roll surface. 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. 7Check the sensor (media level) for proper connection. Is the above sensor connected properly?Replace the sensor (media level). Go to “2000-sheet dual input (TTM)– sensor (media level) removal” on page 4-254.Replace the connection. 8Check the switch (TTM media size) for proper connection. Is the above switch connected properly?Replace the switch (TTM media size). Go to “2000-sheet dual input (TTM)– switch (TTM media size) removal” on page 4-242.Replace the connection. 9Perform a print test. Does the error still occur?Replace the 2TM/ TTM controller card assembly. Go to “2000-sheet dual input (TTM)– 2TM/TTM controller card assembly removal” on page 4-274. Go to step 10.Problem solved. 10Perform a print test. Does the error still occur?Replace the printer engine card assembly. Go to “Printer engine card assembly removal” on page 4-117.Problem solved. StepCheckYe sNo 1Check the media. Pull out tray 4, and visually check it. Is any media loaded in tray 4?Go to step 2.Load media properly. StepCheckYe sNo
Diagnostic information2-171 7500-XXX 2Check the tray. Are the tray 4 lift gear assembly or the surrounding parts of it damaged?Go to step 3.Replace the tray 4 lift gear assembly or the obstacles. Go to “2000-sheet dual input (TTM)– tray 4 lift gear assembly removal” on page 4-272. 3Check the tray 4 media feed lift motor for proper operation. Warning: Only perform this test with the paper tray assembly removed from the machine, or abnormal grinding noises will occur. 1. Enter the Diagnostics Menu. 2. Touch MOTOR TESTS. 3. Touch Printer Tests. 4. Touch Tray 4 lift mtr Does the tray 4 media feed lift motor operate properly?Go to step 6.Go to step 4. 4Check the tray 4 media feed lift motor for proper connection. Is the above motor connected properly?Go to step 5.Replace the connection. 5Check the 2TM/TTM controller card assembly and the printer engine card assembly for proper connection. Are connectors P541 and P413 on the above cards connected properly?Go to step 6.Replace the connection. 6Check the tray 4 sensor (media level) for proper operation. 1. Enter the Diagnostics Menu. 2. Touch INPUT TRAY TESTS. 3. Touch Sensor Test. 4. Touch Tr a y 4 . 5. Touch Media level. Remove the media tray assembly, and move the pick roll with your finger in an up and down motion. Avoid touching the rubber roll surface. 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. 7Check the sensor (media level) for proper connection. Is the above sensor connected properly?Replace the sensor (media level). Go to “2000-sheet dual input (TTM)– sensor (media level) removal” on page 4-254.Replace the connection. 8Check the tray 4 switch (TTM media size) for proper connection. Is the above switch connected properly?Replace the switch (TTM media size). Go to “2000-sheet dual input (TTM)– switch (TTM media size) removal” on page 4-242.Replace the connection. StepCheckYe sNo
2-172MFP Service Manual 7500-XXX 950.00 through 950.29 EPROM mismatch failure 9Perform a print test. Does the error still occur?Replace the 2TM/ TTM controller card assembly. Go to “2000-sheet dual input (TTM)– 2TM/TTM controller card assembly removal” on page 4-274. Go to step 10.Problem solved. 10Perform a print test. Does the error still occur?Replace the printer engine card assembly. Go to “Printer engine card assembly removal” on page 4-117.Problem solved. Warning: In the event of replacement of any one of the following components: • Operator panel assembly (universal) • Operator panel controller card assembly • RIP card assembly • Interconnect card assembly Only replace one component at a time. Replace the required component, and perform a POR before replacing a second component listed above. If this procedure is not followed, the printer will be rendered inoperable. Never replace two or more of the components listed above without a POR after installing each one, or the printer will be rendered inoperable. Warning: Never install and remove components listed above as a method of troubleshooting components. Once a component has been installed in a machine, it cannot be used in another machine. It must be returned to the manufacturer. Step Check Yes No 1 Check the interconnect card assembly. Was the interconnect card assembly recently replaced?Go to step 3. Go to step 2. 2 Check the operator panel assembly. Was the operator panel recently replaced?Go to step 4. Contact next level of support. 3 Replace the current interconnect card assembly with the original interconnect card assembly. Does the error remain?Go to step 5. Problem solved. 4 Replace the current operator panel with the original panel. Go to “Operator panel assembly removal” on page 4-136. Does the error remain?Go to step 6. Problem solved. 5 If problem remains, replace the original interconnect card assembly with a new and not previously installed interconnect card assembly. Does the error remain?Contact the next level of support.Problem solved. StepCheckYe sNo