Lexmark T652 Service Manual - Page 179
Lexmark T652 Manual
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4062 Sensor (pass through) late jam service check Use this procedure for the following jams: • 242.02 • 242.10 • 243.04 • 243.16 • 244.05 • 245.02 • 245.10 • 242.03 • 242.16 • 243.04 • 243.37 • 244.06 • 245.03 • 245.13 • 242.04 • 242.37 • 243.05 • 244.02 • 244.10 • 245.04 • 245.16 • 242.05 • 243.02 • 243.06 • 244.03 • 244.16 • 245.05 • 245.37 • 242.06 • 243.03 • 243.10 • 244.04 • 244.37 • 245.06 Step 1 Check Check the media size setup and tray guides for all media trays. Does the media size, in use, match the size set for all media trays? Yes Go to step 2. No Replace the media, or change the media size setup. Go to step 3 2 3 Check the media trays for overfilling. Are any of the media trays overfilled? Check the media condition in all media trays. Is any of the media in any of the media trays crumpled or damaged? Remove any excess new media. Replace the damaged media with new. Go to step 5. Go to step 4. 4 Check the media tray pass through areas for obstructions. Are the pass through areas in all the media trays free from obstructions? Remove obstructions. Clean or replace the pick roll assembly. Go to "Pick roll assembly removal (T650, T652, T654)" on page 4-57 5 Check the two pick roll assemblies in the media tray being picked from. Are the above components free of excess wear and contamination? Go to step 6. 6 Check the appropriate media tray sensor (pass through) for proper operation. 1. Enter the diagnostic mode 2. Select Input tray tests 3. Sensor test 4. Select the appropriate tray number 3. Observe the line item "pass through" for the appropriate media tray Does the display on the operator panel, change every time the sensing area of the above sensor is interrupted or blocked. Go to step 7. Go to step 6. Diagnostic information 2-145