Lexmark Optra S 1620 Manual
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Diagnostic Information2-64 4059-XXX 24X Paper Jam message displays, Paper jammed over the Pass Thru Sensor. (X=The printer displays the value of X for the paper tray where the error occurs. Example: 242 is a Paper Jam Tray 2) FRU Action 1 Pass Thru Sensor and Flag AssemblyThe tray x option system board did not detect a piece of paper actuating the pass thru sensor. Remove any jammed sheets of paper from the printer and check the pass thru sensor and flag for proper operation by running the appropriate Tray Sensor Test from the diagnostics menu. If the test fails, check the sensor for correct installation and the flag for proper operation. Also check the sensor cable to make sure it is correctly connected to the option system board. If incorrect, replace the tray x option pass thru sensor assembly. 2 Power Takeoff Shaft and Spring, Bevel Gear, Feedroll Gear, Drive Roll Assembly, Wear Plate, Drive Shaft Bearings and Skewed Backup RollerCheck these parts for signs of broken or damaged parts, contamination on the drive rollers or wear plate and wear or damage to the drive shaft bearings. Check the drive roll assembly and skewed backup roller for signs of wear, slick spots, material buildup, and oil or grease on the rollers. Also check for proper operation of the paper aligning assembly. Repair or replace parts as necessary.
2-654059 Service Manual 4059-XXX Tray X Paper Low Message displays when Tray X is full or has adequate Paper in the tray. Tray X empty message displays when there is paper in the high capacity feeder input tray. Tray X Empty Message displays when Tray X has paper in the tray. FRU Action 1 Paper Low Switch Paper Low Switch Cable High Capacity Feeder Input System BoardRun the sensor diagnostics for tray X (X=the number that represents the high capacity input tray). If the test fails, disconnect the paper low switch cable from J3 on the high capacity system board. Short pins 1 and 2 together while observing the sensor test on the display. If the display does not change, replace the high capacity feeder system board. If the display changes check the continuity of the switch. If incorrect, replace the switch.Ifcorrect,replacetheswitch cable. FRU Action 1 Paper Out Sensor Flag Check the paper out sensor flag for correct operation and installation. If correct, replace the high capacity feeder system board. (The paper out sensor is mounted on the high capacity feeder system board). 2 Paper Out Sensor (On Option System Board) FRU Action 1 Paper Out Sensor Flag Check the flag for correct operation and installation. 2 Paper Out Sensor (Located on the High Capacity Feeder Tray Option Board)Run the Tray X sensor diagnostic. If incorrect, replace the high capacity feeder tray option board.
Diagnostic Information2-66 4059-XXX The elevator tray fails to stop at the correct position and continues to drive into the bottom frame. The elevator tray down button does not operate. The tray moves to the upper position. Service Tip: Open the high capacity feeder option front door and check the black rubber bumper attached to the door switch spring. Be sure the rubber button is centered and not touching the sides of the hole or the switch will not function properly. FRU Action 1 Lower Limit Switch Lower Limit Switch CableCheck continuity of the lower limit switch. If incorrect, replace the switch.Ifcorrect,checktheswitch cable. If incorrect, replace the cable. If correct, replace the high capacity feeder option control board. 2 High Capacity Feeder Control BoardDisconnect the lower limit switch cable and check the voltage at J2-1 (orange). The voltage measures approximately +5 V dc. If incorrect, replace the high capacity feeder option control board. FRU Action 1 Lower Limit Switch Lower Limit Switch Cable High Capacity Feeder Control BoardCheck the lower limit switch to make sure it is not closed (normally open). If incorrect, replace the switch. Check the lower limit switch cable for a short between pins 1 and 2. If incorrect, replace the cable. If correct, replace the high capacity feeder option control board.
2-674059 Service Manual 4059-XXX Paper from the high capacity feeder input tray does not reach the pass thru sensor. Service Tip: Check to be sure the paper in tray is within specifications. FRU Action 1 Autocompensator AssemblyCheck the autocompensator pick arm rollers for sign of glazing, toner or other buildup. Replace as necessary. 2 Wear Strips Check the wear strips for glazing or contamination. Replace as required. It is advisable to replace all four wear strips at the same time.
Diagnostic Information2-68 4059-XXX The elevator tray does not move up or down. The printer recognizes that the option is installed. FRU Action 1 Stepper Motor High Capacity Feeder Option Control Board Stepper Motor Extension CableBe sure the motor cable is correctly installed at J1 on the high capacity feeder system board. Be sure the motor extension cable is properly connected to the motor cable. Check the cables for damage or loose wires. Disconnect the motor and check for a short between each pin and the motor housing. If a problem is found, replace the motor. Measure the resistance between the following pins on the motor cable connector: Pins 1 (orange) and 3 (green) Pins 2 (yellow) and 4 (white) They measure between 10 and 15 ohms. If incorrect, replace the motor assembly.Ifcorrect,replacethehigh capacity feeder control board.
2-694059 Service Manual 4059-XXX The elevator moves in one direction only. FRU Action 1 Stepper Motor High Capacity Feeder Option Control BoardCheck the voltages at J1 on the high capacity system board. The voltage measures as follows: static (motor connected) J1-1 (Orange) +24 V dc J1-2 (Yellow) +24 V dc J1-3 (Green) +24 V dc J1-4 (White) +24 V dc motor running J1-1 (Orange) approximately +12 V dc J1-2 (Yellow) approximately +12 V dc J1-3 (Green) approximately +12 V d J1-4 (White) approximately +12 V dc If any of the voltages are incorrect, disconnect the motor and measure the resistance between pin J1-1 to J1-3 and J1- 2 and J1-4. The resistance measures between 10 and 15 ohms. If incorrect, replace the motor. If correct, replace the high capacity feeder control board.
Diagnostic Information2-70 4059-XXX Paper size switch not selecting paper size that is selected. 24X Paper Jam Check Tray X Message displays when Tray X is empty. No Tray X Message displays. FRU Action 1 Paper Size Switch High Capacity Feeder Option Control BoardCheck for continuity between the common pin (J5-1) and the pin of the paper size selected. J5-1 (Black): Common Lead J5-2 (Blue)B5 J5-3 (Green) Executive J5-4 (Yellow) A4 J5-5 (Orange) Letter J5-6 (Red) Legal J5-7 (Brown) A5 If any position does not measure continuity when selected, replace the paper size switch assembly. If the switch assembly is operating correctly, replace the high capacity feeder option control board. FRU Action 1 High Capacity Feeder Option Control BoardCheck the voltages on the board at J4-1(red) and J4-3 (blue). The voltages measure approximately +5 V dc. If incorrect, disconnect J4 from the board and measure the voltages again. If incorrect, replace the high capacity feeder option control board. 2 Elevator Top Optical Sensor Cable Elevator Top Optical SensorCheck the continuity of the sensor cable. If incorrect, replace the cable. If correct, replace the top optical sensor assembly.
2-714059 Service Manual 4059-XXX Tray X Empty message displays. Tray does not respond to loading paper. No response from the front door switch. Tray X Paper Low Message displays when the high capacity feeder input tray is full or has adequate paper in the tray. FRU Action 1 High Capacity Feeder Option Control BoardCheck the voltage on the board at J4-2 (green). The voltage measures approximately +5 V dc. If incorrect, disconnect the cable at J4 and check the voltage again. If incorrect, replace the high capacity feeder option control board. 2 Elevator Top Optical Sensor Cable Elevator Top Optical SensorCheck the continuity of the sensor cable. If incorrect, replace the cable. If correct, replace the top optical sensor assembly. FRU Action 1 Paper Low Switch Paper Low Switch Cable High Capacity Feeder Option Control BoardRun the sensor diagnostics for tray X (X=the number that represents the high capacity input tray). If the test fails, check the voltage at J3-1 (grey). The voltage measures approximately +24 V dc. If incorrect, disconnect the paper low switch cablefromJ3andmeasurethe voltage again on J3-1. If incorrect, replace the high capacity feeder option control board. If correct, check the cable for a short between pins1and2onthecable.If incorrect, replace the cable. If correct, check the switch for a bent or deformed actuator lever or defective switch. If incorrect, replace the switch.
Diagnostic Information2-72 4059-XXX Excessive Noise or Vibration FRU Action 1 Motor Plate Assembly Be sure the motor plate assembly screwsaretight.Besurethemotor mounting screws are tight. 2 Motor Drive Belt Check the belt to be sure it is not too tight.Themotorcanbeadjusted while the motor is running for minimum belt noise and optimum performance. Note:If the belt is too tight a high pitch noise results. 3 Lead Screw Bearings If the bearings are worn or defective the lead screw may “wobble”. Be sure the bearings and leadscrew are operating properly with no binds. 4 Idler Pulley Be sure the idler pulley is not binding, worn or broken.
2-734059 Service Manual 4059-XXX Main Drive Service Check Service Tip: Excessive gear or main drive assembly noise is usually caused by a defective motor assembly or engine board. Service Tip: If there are equally spaced horizontal lines across the page, go to“Print Quality - Evenly spaced horizontal lines or marks” on page 2-95. CAUTION:Whenever the gearbox assembly is removed from the machine it must be handled very carefully. Do not allow any of the gears to come in contact with any metal or other hard surface to avoid gear damage. It is also very important not to let any dirt, paper, staples or other material come intact with the grease in the gearbox assembly. FRU Action 1MainDriveAssembly (Excessive noise or vibration)Remove the controller board and run a Diagnostic Print Test in the continuous mode. Check the main drive assembly for any excessive noise or vibration. Determine if the noise is in the main drive, toner cartridge, fuser or main drive gearbox. Look for any loose or worn parts in the developer drive assembly, main drive gearbox or fuser. Repair as necessary. 2 Main Drive Motor Assembly (Excessive noise, gears ratcheting and so on)A service error code 936 - Transport Motor may be displayed. Check the voltage at J12-6 on the engine board. It measures approximately +5 V dc when the motor is not running and goes to 0 V dc when the motor is running. If incorrect, replace the engine board. If this does not fix the problem, replace the main drive motor. 3 Main Drive Motor Cable Check the continuity of the main drive motor cable. If incorrect, replace the cable.