Lexmark C782 Service Manual - Page 80
Run the Tray, Feed Test on, Sensor Test on compensa, tor pick, assembly
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5061 Step 4 5 6 7 8 9 Actions and questions See if the paper is trying to feed from the tray. Note: You can observe the autocompensator feed rolls and the paper through the tray access door. Run the Tray x feed test from the Diagnostics menu to help diagnose a feed problem. See "Feed Test" on page 3-20. Is the media leaving the tray? Are both of the autocompensator pick rolls installed and turning? Check the autocompensator pick rolls for wear or contamination. Are the autocompensator pick rolls worn or contaminated? Check the pass thru sensor for correct operation by running the Tray x sensor test from the Diagnostics Menu. See "Sensor Test" on page 3-20. Does the pass thru sensor operate correctly? Make sure the pass thru sensor is correctly connected to the Tray x system board. Is the sensor cable connected correctly? Check the autocompensator cable for correct installation to Tray x system board. Is the cable connected correctly? Yes Go to step 8 Go to step 6 Replace the pick arm rolls. Replace both rolls at the same time. Check for any obstructions that might catch the media and create a paper jam. Replace the FRUs in the following order: 1. Pass thru sensor assembly. 2. Electronics/ size sensing assembly with system board. Replace the option or replace the following parts in the order until the error is cleared: • Autocompensator pick assembly. See "Autocompensator pick assembly removal" on page 4-27. • Tray x system board. No Go to step 5 Go to step 9 Go to step 7 Go to step 8 Install the cable correctly. Install the cable correctly. 2-38 Service Manual