Lexmark C782 Service Manual - Page 115
The printer detects paper out in tray, when adequate paper is installed in the tray.
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5061 The printer detects paper out in tray x when adequate paper is installed in the tray. Step 1 2 3 4 5 6 Actions and questions Run Tray x Sensor Test from the Diagnostics Menu. Does the test pass for Sensor L1? Check the cable connection for the paper level sensing assembly to tray x system board. Is the cable correctly installed? Check the paper level sensing assembly for correct installation. Is the paper level sensing assembly installed correctly? Check continuity of the paper level sensing assembly cable. Do you measure continuity? Check the paper level sensing assembly for correct installation. Check the following for damaged or broken parts: • Paper level sensing flag bellcrank • Paper level sensing flag • Paper level sensing flag spring Is the paper level sensing assembly installed correctly? Make sure the paper level sensing assembly arm goes all the way through the bottom of tray x. Does the arm extend all the way down through the bottom of the tray? Yes Go to step 5 Go to step 3 Go to step 4 Go to step 5 Replace the paper level sensing assembly. Recheck the arm. If the problem continues, replace the paper leveling sensing assembly. If the problem still persists, replace the tray x system board. No Go to step 2 Install the cable correctly. Reinstall the assembly if not installed correctly. Replace the cable. Go to step 6 See why the arm is not extending all the way to the bottom of the tray. Repair as necessary. Tray x does not detect size media installed Step 1 2 3 Actions and questions Is the tray set for the size paper loaded in the tray, and are the restraints in the correct location? Are there damaged or broken size sensing gears or size sensing barrel cam in the tray assembly? Check the media size sensing assembly for any signs of damaged, binding, or broken parts. Are there broken or damaged parts? Yes Go to step 2 Repair or replace defective parts. Replace the media size sensing assembly. No Set the correct size Go to step 3 Replace the electronics/size sensing assembly. Diagnostic information 2-73