Lexmark 2380 Service Manual - Page 52

FRU / Symptom Action 3 Paper Selector Lever Make sure the selector lever alternately engages and disengages the tractor gear and the ASF drive gear. Check the operation of the following parts as you move the paper select lever: • The tractor gear engages correctly in the continuous forms position. • The tractor belts are in good condition and rotate correctly. • The pinch roller shafts move downward as the lever moves to the cut sheet position. • The paper separator moves upward as the lever moves to the cut sheet position. 4 Operator Panel If paper does not move at all, verify that the Form Feed button is working as follows: With the tractor in the push position, power off, power on, then press Alt/Load. The carrier should move to the center of the platen. If it does not, go to the "Operator Panel Service Check" on page 2-24. 5 Paper Feed Motor Disconnect the paper feed motor cable CN10 from the main logic board. No pin should have continuity to ground. The resistances should be as follows: 23XX-001, 002 = 21 to 24 ohms. CP10-1 to CP10-5 CP10-2 to CP10-5 CP10-3 to CP10-5 CP10-4 to CP10-5 CP10-1 to CP10-6 CP10-2 to CP10-6 CP10-3 to CP10-6 CP10-4 to CP10-6 23XX-003 = 8 to 9 ohms. CP10-1 to CP10-5 CP10-2 to CP10-5 CP10-3 to CP10-5 CP10-4 to CP10-5 2-28