Lexmark T632 Service Manual - Page 101

4060-xxx The printer does not recognize the paper size selected. FRU 1 Back restraint Side restraint Snap-in plate Autosize slider Autosize finger 2 Switch activate spring 3 Internal tray card (ITC) System board ITC cable 4 System board 5 ITC/autocomp cable ITC assembly Action Check all the paper size parts for damage or broken parts. make sure the parts operate correctly. If a problem is found, repair as necessary. If no problem is found, go to step 2. Make sure the switch activate spring is not bent or broken. Replace the spring if damaged. If the spring is not damaged, go to step 3. Set the tray for the paper size that is not recognized and install the tray in the printer. Select the paper size and corresponding paper switch from table, below. Pin Signal 1 PSIZE2 2 Ground 3 PSIZE1 4 PSIZE3 5 N/A 6 N/A 7 N/A 8 +3.3 9 N/A 10 N/A Static tray out (V dc) +3.3 0 +3.3 +3.3 +3.3 Static with paper tray in and set to: (V dc) Letter Legal A4 Exec B5 A5 0 0 +3.3 0 0 0 +3.3 +3.3 +3.3 0 0 +3.3 +3.3 0 0 0 0 0 0 +3.3 +3.3 0 +3.3 0 +3.3 +3.3 +3.3 +3.3 +3.3 +3.3 If the voltage on J34 does not change, go to step 4. If the voltage changes, recheck the printer. If Tray 1Missing is still displayed, replace the system board assembly. Ground the appropriate pin on connector J34 on the system board. Tray 1 Missing should not be displayed. If it is not displayed, go to step 5. If it still displays, replace the system board assembly. Check continuity of the ITC/Autocomp cable. If correct, replace the ITC assembly. If incorrect, replace the ITC/autocomp cable. Diagnostic information 2-67