Lexmark T632 Service Manual - Page 99
Paper from Tray, Empty displays when Tray
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4060-xxx FRU 2 Power takeoff shaft and spring, bevel gear, feed roll gear, drive roll assembly, wear plate, drive shaft bearings, and skewed backup roller Action Check these parts for 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. Tray x Low displays when tray x is full or has adequate paper in the tray. FRU 1 Paper low sensor assembly Paper low sensor flag tray x option system board Action Run the Tray x Sensor Test and check the sensor for proper operation. If incorrect, check the following: • Paper low sensor flag for smooth and correct operation. • Paper low sensor for correct installation on the autocompensator housing. • Paper low sensor cable for signs of cuts, pinched wiring, or other damage especially at connector J5 on the system board. If no problem is found, replace the paper low sensor assembly. If this does not correct the problem, replace the option system board. Tray x Empty displays when Tray x has paper in the tray. FRU 1 Paper out sensor flag 2 Paper out sensor (on option system board) Action Check the paper out sensor flag for correct operation and installation. If correct, replace the option system board. (The paper out sensor is mounted on the system board). Printer does not recognize Tray x is installed. FRU 1 Autoconnect cables Tray x system board Action Check the autoconnect from the printer or option above tray x. Check for cuts, pinched wiring, or damage to the contacts in the connector. Check the autoconnect cable(s) for correct installation at the tray x system board. If correct, check the continuity of the autoconnect cable(s). If correct, replace the tray x system board. If incorrect, replace the cable. Paper from Tray x does not reach the pass thru sensor. Service tip: Check the media in tray x to make sure it is within specifications. Some types of labels, foil material, and slick papers can cause misfeeds and slippage of the rollers. FRU 1 Autocompensator assembly Action Check the autocompensator pick arm rollers for any sign of glazing, toner or other buildup. Clean or replace as necessary. Diagnostic information 2-65