Lexmark E330 Service Manual - Page 80
Dead machine service check
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4505 Dead machine service check CAUTION: Check the AC line voltage. The voltage should be within the following limits: • 100 V ac (volts alternating current) - 127 V ac for the 110 V printer • 200 V ac - 240 V ac for the 220 V printer FRU LVPS/HVPS Action Unplug the printer and check the fuses on the LVPS/HVPS board for continuity. • If open, replace the LVPS/HVPS board. - If fuse opens again, see "LVPS/ HVPS service check" on page 2-57 for more information • If not open, unplug the cables at CN102 and CN201 (fuser and controller card respectively). Plug LVPS/HVPS board to source and turn switch on. Verify 24 V dc on pin 8 at connector CN201. Verify line voltage (110 or 220 V ac) across pins 1 and 2 of CN102. • If either voltage is not correct, replace the LVPS/HVPS board. • If both voltages are correct, check the controller card. See "Controller board" on page 5-3 for more information. Verify grounds. 2-52 Service Manual