Lexmark C782 Service Manual - Page 118

5061 Autocompensator service check • If the paper fails to feed from Tray 1 or 500-sheet option, go to "Step A" on page 2-76. • If the autcompensator fails to lower when Tray 1 is installed, go to "Step B" on page 2-77. • If the autocompensator fails to retract when you attempt to remove Tray 1, go to "Step C" on page 2-77. • If there is no indication that the media is out or low, go to "Step D" on page 2-78. Note: When feeding paper through the printer to check for autocompensator problems, use the Tray 1 Feed test in the Diagnostics Menu. A printed copy is not required. Step A Step Actions and questions 1 Use the tray 1 feed test to feed paper from tray 1. Check to see if the pick rolls are turning. Note: Observe the pick rolls by opening the lower jam access door assembly. Do the pick rolls turn? 2 Check the autocompensator pick rolls for contamination or damage to the rolls. Is there any excessive contamination or damage to the pick rolls? 3 Verify the autocompensator is not stuck in the up position. Verify the output clutch assembly is not damaged. Is the autocompensator stuck or the output clutch damaged? 4 Check the voltages at JTRAY1-9 and JTRAY1-10 on the system board. Are the voltages correct? Yes Go to step 2 Replace the pick rolls. Always replace both pick rolls at the same time. Dislodge the autocompensator assembly. If this does not fix the problem, go to step 4. Replace the autocompensator pick assembly. See "Autocompensa tor pick assembly removal" on page 4-27. No Go to step 3 Go to step 3 Replace the autocompensator pick assembly. See "Autocompensa tor pick assembly removal" on page 4-27. Replace the system board. See "System board removal" on page 4-89. 2-76 Service Manual